WO2018151077A1 - 新規化合物、それを用いた有機エレクトロルミネッセンス素子及び電子機器 - Google Patents
新規化合物、それを用いた有機エレクトロルミネッセンス素子及び電子機器 Download PDFInfo
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- WO2018151077A1 WO2018151077A1 PCT/JP2018/004828 JP2018004828W WO2018151077A1 WO 2018151077 A1 WO2018151077 A1 WO 2018151077A1 JP 2018004828 W JP2018004828 W JP 2018004828W WO 2018151077 A1 WO2018151077 A1 WO 2018151077A1
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 68
- 125000004432 carbon atom Chemical group C* 0.000 claims description 185
- 125000000217 alkyl group Chemical group 0.000 claims description 63
- 125000003118 aryl group Chemical group 0.000 claims description 42
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 37
- 125000001424 substituent group Chemical group 0.000 claims description 34
- 125000001072 heteroaryl group Chemical group 0.000 claims description 28
- 125000006413 ring segment Chemical group 0.000 claims description 27
- 125000004429 atom Chemical group 0.000 claims description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 23
- 229910052799 carbon Inorganic materials 0.000 claims description 17
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 claims description 11
- 125000003342 alkenyl group Chemical group 0.000 claims description 10
- 125000003545 alkoxy group Chemical group 0.000 claims description 10
- 125000004414 alkyl thio group Chemical group 0.000 claims description 10
- 125000000304 alkynyl group Chemical group 0.000 claims description 10
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 10
- 125000005110 aryl thio group Chemical group 0.000 claims description 10
- 125000004104 aryloxy group Chemical group 0.000 claims description 10
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 10
- 238000005401 electroluminescence Methods 0.000 claims description 10
- 125000005843 halogen group Chemical group 0.000 claims description 10
- 230000005525 hole transport Effects 0.000 claims description 10
- 229920006395 saturated elastomer Polymers 0.000 claims description 10
- 150000001721 carbon Chemical class 0.000 claims description 9
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 9
- 125000005549 heteroarylene group Chemical group 0.000 claims description 9
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 7
- 238000007363 ring formation reaction Methods 0.000 claims description 7
- 125000000732 arylene group Chemical group 0.000 claims description 6
- 125000001624 naphthyl group Chemical group 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 125000004434 sulfur atom Chemical group 0.000 claims description 6
- 125000006267 biphenyl group Chemical group 0.000 claims description 4
- 125000003107 substituted aryl group Chemical group 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 111
- -1 monocyclic compound Chemical class 0.000 description 92
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 45
- 230000015572 biosynthetic process Effects 0.000 description 39
- 238000003786 synthesis reaction Methods 0.000 description 37
- 239000000243 solution Substances 0.000 description 30
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 27
- 238000002347 injection Methods 0.000 description 27
- 239000007924 injection Substances 0.000 description 27
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 26
- 239000000203 mixture Substances 0.000 description 21
- 239000012300 argon atmosphere Substances 0.000 description 20
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical group C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 16
- 238000010898 silica gel chromatography Methods 0.000 description 16
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- TXCDCPKCNAJMEE-UHFFFAOYSA-N dibenzofuran Chemical group C1=CC=C2C3=CC=CC=C3OC2=C1 TXCDCPKCNAJMEE-UHFFFAOYSA-N 0.000 description 14
- 239000010408 film Substances 0.000 description 14
- 238000010992 reflux Methods 0.000 description 14
- 0 **[N-]IC(C(C(*)=C1*)=C2C3C1=C1*)=C(*)C(*)C2=C(*)C(*)=C3C(IN(**)**)=C1I Chemical compound **[N-]IC(C(C(*)=C1*)=C2C3C1=C1*)=C(*)C(*)C2=C(*)C(*)=C3C(IN(**)**)=C1I 0.000 description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000000758 substrate Substances 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 10
- YNESATAKKCNGOF-UHFFFAOYSA-N lithium bis(trimethylsilyl)amide Chemical compound [Li+].C[Si](C)(C)[N-][Si](C)(C)C YNESATAKKCNGOF-UHFFFAOYSA-N 0.000 description 10
- 239000012044 organic layer Substances 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 9
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- IQTHEAQKKVAXGV-UHFFFAOYSA-N 4-ditert-butylphosphanyl-n,n-dimethylaniline Chemical compound CN(C)C1=CC=C(P(C(C)(C)C)C(C)(C)C)C=C1 IQTHEAQKKVAXGV-UHFFFAOYSA-N 0.000 description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical group C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 125000005605 benzo group Chemical group 0.000 description 6
- MUALRAIOVNYAIW-UHFFFAOYSA-N binap Chemical group C1=CC=CC=C1P(C=1C(=C2C=CC=CC2=CC=1)C=1C2=CC=CC=C2C=CC=1P(C=1C=CC=CC=1)C=1C=CC=CC=1)C1=CC=CC=C1 MUALRAIOVNYAIW-UHFFFAOYSA-N 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 description 6
- IGTQPXMEWQTTBJ-UHFFFAOYSA-N 2,7-dibromopyrene Chemical compound C1=C(Br)C=C2C=CC3=CC(Br)=CC4=CC=C1C2=C43 IGTQPXMEWQTTBJ-UHFFFAOYSA-N 0.000 description 5
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- NNVZVNMCMRPEND-UHFFFAOYSA-N 1,6-dibromo-3,8-di(propan-2-yl)pyrene Chemical compound C1=C2C(C(C)C)=CC(Br)=C(C=C3)C2=C2C3=C(C(C)C)C=C(Br)C2=C1 NNVZVNMCMRPEND-UHFFFAOYSA-N 0.000 description 4
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 125000000641 acridinyl group Chemical group C1(=CC=CC2=NC3=CC=CC=C3C=C12)* 0.000 description 4
- QARVLSVVCXYDNA-UHFFFAOYSA-N bromobenzene Chemical compound BrC1=CC=CC=C1 QARVLSVVCXYDNA-UHFFFAOYSA-N 0.000 description 4
- XJHCXCQVJFPJIK-UHFFFAOYSA-M caesium fluoride Chemical compound [F-].[Cs+] XJHCXCQVJFPJIK-UHFFFAOYSA-M 0.000 description 4
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 4
- IYYZUPMFVPLQIF-UHFFFAOYSA-N dibenzothiophene Chemical compound C1=CC=C2C3=CC=CC=C3SC2=C1 IYYZUPMFVPLQIF-UHFFFAOYSA-N 0.000 description 4
- 125000001041 indolyl group Chemical group 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- 125000003373 pyrazinyl group Chemical group 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 125000002541 furyl group Chemical group 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 125000004076 pyridyl group Chemical group 0.000 description 3
- 238000001771 vacuum deposition Methods 0.000 description 3
- UGUHFDPGDQDVGX-UHFFFAOYSA-N 1,2,3-thiadiazole Chemical group C1=CSN=N1 UGUHFDPGDQDVGX-UHFFFAOYSA-N 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical group C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 2
- 125000000355 1,3-benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 description 2
- JSXAJLMUBSEJFF-UHFFFAOYSA-N 1-fluoro-3-methyl-2-nitrobenzene Chemical compound CC1=CC=CC(F)=C1[N+]([O-])=O JSXAJLMUBSEJFF-UHFFFAOYSA-N 0.000 description 2
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical group C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 2
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical group C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical group C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- AZWHFTKIBIQKCA-UHFFFAOYSA-N [Sn+2]=O.[O-2].[In+3] Chemical compound [Sn+2]=O.[O-2].[In+3] AZWHFTKIBIQKCA-UHFFFAOYSA-N 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- 125000000499 benzofuranyl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 description 2
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical group C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 2
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 2
- 229910000024 caesium carbonate Inorganic materials 0.000 description 2
- 150000001716 carbazoles Chemical class 0.000 description 2
- 150000001717 carbocyclic compounds Chemical class 0.000 description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 125000005509 dibenzothiophenyl group Chemical group 0.000 description 2
- 125000000532 dioxanyl group Chemical group 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 230000005281 excited state Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 125000002883 imidazolyl group Chemical group 0.000 description 2
- 230000002779 inactivation Effects 0.000 description 2
- 125000001977 isobenzofuranyl group Chemical group C=1(OC=C2C=CC=CC12)* 0.000 description 2
- 125000000904 isoindolyl group Chemical group C=1(NC=C2C=CC=CC12)* 0.000 description 2
- 125000005956 isoquinolyl group Chemical group 0.000 description 2
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 2
- 229910001947 lithium oxide Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- MHJUNMARMFAUBI-UHFFFAOYSA-N n-phenyliminobenzamide Chemical compound C=1C=CC=CC=1C(=O)N=NC1=CC=CC=C1 MHJUNMARMFAUBI-UHFFFAOYSA-N 0.000 description 2
- WCPAKWJPBJAGKN-UHFFFAOYSA-N oxadiazole Chemical group C1=CON=N1 WCPAKWJPBJAGKN-UHFFFAOYSA-N 0.000 description 2
- 125000002971 oxazolyl group Chemical group 0.000 description 2
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 description 2
- 125000004934 phenanthridinyl group Chemical group C1(=CC=CC2=NC=C3C=CC=CC3=C12)* 0.000 description 2
- 125000004625 phenanthrolinyl group Chemical group N1=C(C=CC2=CC=C3C=CC=NC3=C12)* 0.000 description 2
- 125000004193 piperazinyl group Chemical group 0.000 description 2
- 125000003386 piperidinyl group Chemical group 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003227 poly(N-vinyl carbazole) Polymers 0.000 description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 description 2
- 125000004309 pyranyl group Chemical group O1C(C=CC=C1)* 0.000 description 2
- 125000005581 pyrene group Chemical group 0.000 description 2
- 125000001725 pyrenyl group Chemical group 0.000 description 2
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical group C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 description 2
- 125000000714 pyrimidinyl group Chemical group 0.000 description 2
- 125000000168 pyrrolyl group Chemical group 0.000 description 2
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 description 2
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 2
- 125000005493 quinolyl group Chemical group 0.000 description 2
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 2
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- 125000001544 thienyl group Chemical group 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 150000003852 triazoles Chemical group 0.000 description 2
- 229910001930 tungsten oxide Inorganic materials 0.000 description 2
- 125000001989 1,3-phenylene group Chemical group [H]C1=C([H])C([*:1])=C([H])C([*:2])=C1[H] 0.000 description 1
- QSSXJPIWXQTSIX-UHFFFAOYSA-N 1-bromo-2-methylbenzene Chemical compound CC1=CC=CC=C1Br QSSXJPIWXQTSIX-UHFFFAOYSA-N 0.000 description 1
- 125000006083 1-bromoethyl group Chemical group 0.000 description 1
- 125000004973 1-butenyl group Chemical group C(=CCC)* 0.000 description 1
- 125000001478 1-chloroethyl group Chemical group [H]C([H])([H])C([H])(Cl)* 0.000 description 1
- 125000004066 1-hydroxyethyl group Chemical group [H]OC([H])([*])C([H])([H])[H] 0.000 description 1
- ALLIZEAXNXSFGD-UHFFFAOYSA-N 1-methyl-2-phenylbenzene Chemical group CC1=CC=CC=C1C1=CC=CC=C1 ALLIZEAXNXSFGD-UHFFFAOYSA-N 0.000 description 1
- 125000001637 1-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C(*)=C([H])C([H])=C([H])C2=C1[H] 0.000 description 1
- 125000004134 1-norbornyl group Chemical group [H]C1([H])C([H])([H])C2(*)C([H])([H])C([H])([H])C1([H])C2([H])[H] 0.000 description 1
- 125000004343 1-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000000022 2-aminoethyl group Chemical group [H]C([*])([H])C([H])([H])N([H])[H] 0.000 description 1
- QXISTPDUYKNPLU-UHFFFAOYSA-N 2-bromo-1,4-dimethylbenzene Chemical group CC1=CC=C(C)C(Br)=C1 QXISTPDUYKNPLU-UHFFFAOYSA-N 0.000 description 1
- YXZPTVOCJLCMRO-UHFFFAOYSA-N 2-bromo-6-methylphenol Chemical compound CC1=CC=CC(Br)=C1O YXZPTVOCJLCMRO-UHFFFAOYSA-N 0.000 description 1
- 125000006280 2-bromobenzyl group Chemical group [H]C1=C([H])C(Br)=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 125000005999 2-bromoethyl group Chemical group 0.000 description 1
- VADKRMSMGWJZCF-UHFFFAOYSA-N 2-bromophenol Chemical compound OC1=CC=CC=C1Br VADKRMSMGWJZCF-UHFFFAOYSA-N 0.000 description 1
- 125000004974 2-butenyl group Chemical group C(C=CC)* 0.000 description 1
- 125000006282 2-chlorobenzyl group Chemical group [H]C1=C([H])C(Cl)=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 125000001340 2-chloroethyl group Chemical group [H]C([H])(Cl)C([H])([H])* 0.000 description 1
- 125000001731 2-cyanoethyl group Chemical group [H]C([H])(*)C([H])([H])C#N 0.000 description 1
- 125000006290 2-hydroxybenzyl group Chemical group [H]OC1=C(C([H])=C([H])C([H])=C1[H])C([H])([H])* 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- JONFSRMLMYTWFM-UHFFFAOYSA-N 2-iodo-1-methyl-4-phenylbenzene Chemical group C1=C(I)C(C)=CC=C1C1=CC=CC=C1 JONFSRMLMYTWFM-UHFFFAOYSA-N 0.000 description 1
- 125000006481 2-iodobenzyl group Chemical group [H]C1=C([H])C(I)=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- SDTMFDGELKWGFT-UHFFFAOYSA-N 2-methylpropan-2-olate Chemical compound CC(C)(C)[O-] SDTMFDGELKWGFT-UHFFFAOYSA-N 0.000 description 1
- 125000001622 2-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C(*)C([H])=C([H])C2=C1[H] 0.000 description 1
- 125000004135 2-norbornyl group Chemical group [H]C1([H])C([H])([H])C2([H])C([H])([H])C1([H])C([H])([H])C2([H])* 0.000 description 1
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- 125000006279 3-bromobenzyl group Chemical group [H]C1=C([H])C(=C([H])C(Br)=C1[H])C([H])([H])* 0.000 description 1
- 125000004975 3-butenyl group Chemical group C(CC=C)* 0.000 description 1
- 125000003852 3-chlorobenzyl group Chemical group [H]C1=C([H])C(=C([H])C(Cl)=C1[H])C([H])([H])* 0.000 description 1
- 125000006291 3-hydroxybenzyl group Chemical group [H]OC1=C([H])C([H])=C([H])C(=C1[H])C([H])([H])* 0.000 description 1
- 125000006482 3-iodobenzyl group Chemical group [H]C1=C([H])C(=C([H])C(I)=C1[H])C([H])([H])* 0.000 description 1
- 125000006281 4-bromobenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1Br)C([H])([H])* 0.000 description 1
- 125000006483 4-iodobenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1I)C([H])([H])* 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 229910017073 AlLi Inorganic materials 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- FIPWRIJSWJWJAI-UHFFFAOYSA-N Butyl carbitol 6-propylpiperonyl ether Chemical compound C1=C(CCC)C(COCCOCCOCCCC)=CC2=C1OCO2 FIPWRIJSWJWJAI-UHFFFAOYSA-N 0.000 description 1
- RUCCYGKJCPYCLY-UHFFFAOYSA-N C(C(c1ccccc1-c1c2)c1ccc2-c1c(cccc2)c2c(-c(cc2)cc3c2c(c2ccccc2c2ccccc22)c2[o]3)c2c1cccc2)c1ccccc1 Chemical compound C(C(c1ccccc1-c1c2)c1ccc2-c1c(cccc2)c2c(-c(cc2)cc3c2c(c2ccccc2c2ccccc22)c2[o]3)c2c1cccc2)c1ccccc1 RUCCYGKJCPYCLY-UHFFFAOYSA-N 0.000 description 1
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- YNDPLKXRTGZNSG-UHFFFAOYSA-N N1CCOCC1.[P] Chemical group N1CCOCC1.[P] YNDPLKXRTGZNSG-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical compound [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 description 1
- 241000720974 Protium Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- YZCKVEUIGOORGS-NJFSPNSNSA-N Tritium Chemical compound [3H] YZCKVEUIGOORGS-NJFSPNSNSA-N 0.000 description 1
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
- 125000003670 adamantan-2-yl group Chemical group [H]C1([H])C(C2([H])[H])([H])C([H])([H])C3([H])C([*])([H])C1([H])C([H])([H])C2([H])C3([H])[H] 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 125000004202 aminomethyl group Chemical group [H]N([H])C([H])([H])* 0.000 description 1
- 125000002078 anthracen-1-yl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C([*])=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 description 1
- 125000000748 anthracen-2-yl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C([H])=C([*])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 description 1
- 150000001454 anthracenes Chemical class 0.000 description 1
- 229940058303 antinematodal benzimidazole derivative Drugs 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 238000007611 bar coating method Methods 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 150000001572 beryllium Chemical class 0.000 description 1
- 125000002529 biphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C12)* 0.000 description 1
- 125000005997 bromomethyl group Chemical group 0.000 description 1
- BJZUEKKYZUMIPG-UHFFFAOYSA-N c1ccc2[o]c(c(-c3c(cccc4)c4c(-c(cc4)cc5c4c(c4ccccc4c4c6cccc4)c6[o]5)c4c3cccc4)ccc3)c3c2c1 Chemical compound c1ccc2[o]c(c(-c3c(cccc4)c4c(-c(cc4)cc5c4c(c4ccccc4c4c6cccc4)c6[o]5)c4c3cccc4)ccc3)c3c2c1 BJZUEKKYZUMIPG-UHFFFAOYSA-N 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 125000004218 chloromethyl group Chemical group [H]C([H])(Cl)* 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000412 dendrimer Substances 0.000 description 1
- 229920000736 dendritic polymer Polymers 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 229910052805 deuterium Inorganic materials 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 125000003914 fluoranthenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC=C4C1=C23)* 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 229910000449 hafnium oxide Inorganic materials 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
- 150000002390 heteroarenes Chemical class 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 description 1
- 150000002460 imidazoles Chemical class 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 229940079865 intestinal antiinfectives imidazole derivative Drugs 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 125000003564 m-cyanobenzyl group Chemical group [H]C1=C([H])C(=C([H])C(C#N)=C1[H])C([H])([H])* 0.000 description 1
- 125000000040 m-tolyl group Chemical group [H]C1=C([H])C(*)=C([H])C(=C1[H])C([H])([H])[H] 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 1
- PPNAOCWZXJOHFK-UHFFFAOYSA-N manganese(2+);oxygen(2-) Chemical class [O-2].[Mn+2] PPNAOCWZXJOHFK-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 125000005394 methallyl group Chemical group 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004957 naphthylene group Chemical group 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- 125000006504 o-cyanobenzyl group Chemical group [H]C1=C([H])C(C#N)=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 125000003261 o-tolyl group Chemical group [H]C1=C([H])C(*)=C(C([H])=C1[H])C([H])([H])[H] 0.000 description 1
- AHLBNYSZXLDEJQ-FWEHEUNISA-N orlistat Chemical compound CCCCCCCCCCC[C@H](OC(=O)[C@H](CC(C)C)NC=O)C[C@@H]1OC(=O)[C@H]1CCCCCC AHLBNYSZXLDEJQ-FWEHEUNISA-N 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- DYIZHKNUQPHNJY-UHFFFAOYSA-N oxorhenium Chemical compound [Re]=O DYIZHKNUQPHNJY-UHFFFAOYSA-N 0.000 description 1
- VVRQVWSVLMGPRN-UHFFFAOYSA-N oxotungsten Chemical class [W]=O VVRQVWSVLMGPRN-UHFFFAOYSA-N 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 125000006505 p-cyanobenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1C#N)C([H])([H])* 0.000 description 1
- 125000006503 p-nitrobenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1[N+]([O-])=O)C([H])([H])* 0.000 description 1
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 150000005041 phenanthrolines Chemical class 0.000 description 1
- 125000005561 phenanthryl group Chemical group 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- 229960005235 piperonyl butoxide Drugs 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000078 poly(4-vinyltriphenylamine) Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000005548 pyrenylene group Chemical group 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910003449 rhenium oxide Inorganic materials 0.000 description 1
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 125000004665 trialkylsilyl group Chemical group 0.000 description 1
- 125000005106 triarylsilyl group Chemical group 0.000 description 1
- 229910052722 tritium Inorganic materials 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- OYQCBJZGELKKPM-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O-2].[Zn+2].[O-2].[In+3] OYQCBJZGELKKPM-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
- H10K85/636—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising heteroaromatic hydrocarbons as substituents on the nitrogen atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/91—Dibenzofurans; Hydrogenated dibenzofurans
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
- H10K85/633—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
- H10K85/6574—Polycyclic condensed heteroaromatic hydrocarbons comprising only oxygen in the heteroaromatic polycondensed ring system, e.g. cumarine dyes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/10—Non-macromolecular compounds
- C09K2211/1018—Heterocyclic compounds
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2101/00—Properties of the organic materials covered by group H10K85/00
- H10K2101/10—Triplet emission
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/15—Hole transporting layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/16—Electron transporting layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
- H10K85/622—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene containing four rings, e.g. pyrene
Definitions
- the present invention relates to a novel compound, an organic electroluminescence element using the same, and an electronic apparatus.
- an organic electroluminescence element hereinafter referred to as an organic EL element
- holes from the anode and electrons from the cathode are injected into the light emitting layer. Then, in the light emitting layer, the injected holes and electrons are recombined to form excitons.
- the organic EL element includes a light emitting layer between the anode and the cathode. Moreover, it may have a laminated structure including organic layers such as a hole injection layer, a hole transport layer, an electron injection layer, and an electron transport layer.
- Patent Document 1 discloses a specific aromatic amine derivative.
- An object of the present invention is to provide a compound capable of obtaining an organic EL element having high luminous efficiency, an organic electroluminescence element and an electronic device using the compound.
- R 1 to R 10 are each independently a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, a substituted or unsubstituted ring formation.
- Ar 1 and Ar 2 are each independently a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms or a substituted or unsubstituted heteroaryl group having 5 to 50 ring atoms.
- L 1 , L 2 and L 3 are each independently a single bond, a substituted or unsubstituted arylene group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroarylene group having 5 to 30 ring atoms. It is.
- R 11 represents a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, or a substituted or unsubstituted ring atom.
- R 12 to R 17 each independently represents a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, a substituted or unsubstituted group.
- Substituted heteroaryl group having 5 to 50 ring atoms substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, substituted or unsubstituted alkenyl group having 2 to 50 carbon atoms, substituted or unsubstituted carbon number 2 -50 alkynyl group, substituted or unsubstituted cycloalkyl group having 3 to 50 ring carbon atoms, substituted or unsubstituted alkoxy group having 1 to 50 carbon atoms, substituted or unsubstituted carbon A aralkyl group having 7 to 50 primes, a substituted or unsubstituted aryloxy group having 6 to 50 ring carbon atoms, a substituted or unsubstituted silyl group, a substituted or unsubstituted alkylthio group having 1 to 50 carbon atoms, R represents an unsubstituted arylthio group having 6 to 50 ring carbon atoms, and R
- the following organic EL device is provided.
- an electronic device including the organic EL element is provided.
- the present invention it is possible to provide a compound capable of obtaining an organic EL element with high luminous efficiency, an organic electroluminescence element and an electronic device using the compound.
- the hydrogen atom includes isotopes having different neutron numbers, that is, light hydrogen (protium), deuterium (triuterium), and tritium.
- the number of ring-forming carbon atoms constitutes the ring itself of a compound having a structure in which atoms are bonded cyclically (for example, a monocyclic compound, a condensed ring compound, a bridged compound, a carbocyclic compound, or a heterocyclic compound). Represents the number of carbon atoms in the atom.
- the carbon contained in the substituent is not included in the number of ring-forming carbons.
- the “ring-forming carbon number” described below is the same unless otherwise specified.
- the benzene ring has 6 ring carbon atoms
- the naphthalene ring has 10 ring carbon atoms
- the pyridinyl group has 5 ring carbon atoms
- the furanyl group has 4 ring carbon atoms.
- the carbon number of the alkyl group is not included in the number of ring-forming carbons.
- the carbon number of the fluorene ring as a substituent is not included in the number of ring-forming carbons.
- the number of ring-forming atoms means a compound (for example, a monocyclic compound, a condensed ring compound, a bridging compound, a carbocyclic compound, a heterocycle) having a structure in which atoms are bonded in a cyclic manner (for example, a monocyclic ring, a condensed ring, or a ring assembly).
- a compound for example, a monocyclic compound, a condensed ring compound, a bridging compound, a carbocyclic compound, a heterocycle
- a cyclic manner for example, a monocyclic ring, a condensed ring, or a ring assembly.
- the ring compound represents the number of atoms constituting the ring itself.
- An atom that does not constitute a ring for example, a hydrogen atom that terminates a bond of an atom that constitutes a ring
- an atom contained in a substituent when the ring is substituted by a substituent is not included in the number of ring-forming atoms.
- the “number of ring-forming atoms” described below is the same unless otherwise specified.
- the pyridine ring has 6 ring-forming atoms
- the quinazoline ring has 10 ring-forming atoms
- the furan ring has 5 ring-forming atoms.
- a hydrogen atom bonded to a carbon atom of a pyridine ring or a quinazoline ring or an atom constituting a substituent is not included in the number of ring-forming atoms. Further, when, for example, a fluorene ring is bonded to the fluorene ring as a substituent (including a spirofluorene ring), the number of atoms of the fluorene ring as a substituent is not included in the number of ring-forming atoms.
- the “carbon number XX to YY” in the expression “substituted or unsubstituted ZZ group having XX to YY” represents the number of carbon atoms in the case where the ZZ group is unsubstituted. The carbon number of the substituent in the case where it is present is not included.
- “YY” is larger than “XX”, and “XX” and “YY” each mean an integer of 1 or more.
- atom number XX to YY in the expression “a ZZ group having a substituted or unsubstituted atom number XX to YY” represents the number of atoms when the ZZ group is unsubstituted. In this case, the number of substituent atoms is not included.
- YY is larger than “XX”, and “XX” and “YY” each mean an integer of 1 or more.
- unsubstituted means that a hydrogen atom is bonded without being substituted with the above substituent.
- the heteroaryl group includes the following groups.
- the heteroarylene group includes a group in which the following group is a divalent group. (Wherein X 1A to X 6A , Y 1A to Y 6A are each an oxygen atom, a sulfur atom, a —NZ— group, or a —NH— group. Z represents a substituted or unsubstituted ring-forming carbon number of 6 to 6.
- Examples of the aryl group having 6 to 50 ring carbon atoms of Z include those similar to the aryl groups having 6 to 50 ring carbon atoms such as R 1 to R 10 described later.
- Examples of the heteroaryl group having 5 to 50 ring atoms of Z include those similar to heteroaryl groups having 5 to 50 ring atoms such as R 1 to R 10 described later.
- Examples of the alkyl group having 1 to 50 carbon atoms for Z include the same alkyl groups having 1 to 50 carbon atoms as R 1 to R 10 described later.
- R 1 to R 10 are each independently a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, a substituted or unsubstituted ring formation.
- Ar 1 and Ar 2 are each independently a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms or a substituted or unsubstituted heteroaryl group having 5 to 50 ring atoms.
- L 1 , L 2 and L 3 are each independently a single bond, a substituted or unsubstituted arylene group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroarylene group having 5 to 30 ring atoms. It is.
- R 11 represents a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, or a substituted or unsubstituted ring atom.
- R 12 to R 17 each independently represents a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, a substituted or unsubstituted group.
- Substituted heteroaryl group having 5 to 50 ring atoms substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, substituted or unsubstituted alkenyl group having 2 to 50 carbon atoms, substituted or unsubstituted carbon number 2 -50 alkynyl group, substituted or unsubstituted cycloalkyl group having 3 to 50 ring carbon atoms, substituted or unsubstituted alkoxy group having 1 to 50 carbon atoms, substituted or unsubstituted carbon A aralkyl group having 7 to 50 primes, a substituted or unsubstituted aryloxy group having 6 to 50 ring carbon atoms, a substituted or unsubstituted silyl group, a substituted or unsubstituted alkylthio group having 1 to 50 carbon atoms, An unsubstituted arylthio group having 6 to 50 ring carbon atoms, R 12 to R
- X 1 is preferably an oxygen atom.
- L 1 is preferably a single bond.
- Ar 1 is preferably a group represented by the formula (3), and Ar 2 is preferably a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms.
- L 2 and L 3 are preferably a single bond.
- R 1 to R 10 are preferably groups represented by the formula (2).
- R 12 ⁇ R 17 preferably does not form a saturated or unsaturated adjacent substituents rings.
- the compound represented by the formula (1) is preferably represented by the following formula (4A).
- R 1 to R 8 are as defined in Formula (1) above.
- Ar 1 , Ar 2 , L 1 , L 2 and L 3 are defined in Formula (2) above. Street.
- Ar 3 and Ar 4 are each independently a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, a substituted or unsubstituted heteroaryl group having 5 to 50 ring atoms, or the above formula (3) The group represented is shown. However, at least one of Ar 3 and Ar 4 is a group represented by the formula (3).
- the compound represented by the formula (1) is preferably represented by the following formula (4B).
- R 1 to R 8 are as defined in the formula (1).
- Ar 1 , Ar 2 , L 2 and L 3 are as defined in the formula (2).
- Ar 3 and Ar 4 are each independently a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, a substituted or unsubstituted heteroaryl group having 5 to 50 ring atoms, or the above formula (3) The group represented is shown. However, at least one of Ar 3 and Ar 4 is a group represented by the formula (3).
- the compound represented by the formula (1) is preferably represented by the following formula (4).
- R 1 to R 8 are as defined in Formula (1) above.
- Ar 1 and Ar 2 are as defined in Formula (2) above.
- Ar 3 and Ar 4 are each independently a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, a substituted or unsubstituted heteroaryl group having 5 to 50 ring atoms, or the above formula (3) The group represented is shown. However, at least one (or both) of Ar 3 and Ar 4 is a group represented by the formula (3).
- R 1 to R 8 are each independently a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms
- Ar 1 and Ar 3 are each independently a group represented by the formula (3)
- Ar 2 and Ar 4 are each independently a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms
- Each of R 11 is independently a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms
- R 12 to R 17 are preferably each independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms.
- R 1 to R 8 are each independently a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 18 carbon atoms
- Ar 1 and Ar 3 are each independently represented by the formula (3).
- Ar 2 and Ar 4 are each independently a substituted or unsubstituted aryl group having 6 to 18 ring carbon atoms
- R 11 is each independently a substituted or unsubstituted carbon group having 1 carbon atom.
- each of R 12 to R 17 is independently a hydrogen atom, a substituted or unsubstituted carbon atom having 1 to 18 carbon atoms.
- An alkyl group or a substituted or unsubstituted aryl group having 6 to 18 ring carbon atoms is preferable.
- Ar 2 and Ar 4 are preferably each independently a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, or a substituted or unsubstituted naphthyl group.
- the substituent is preferably an alkyl group having 1 to 18 carbon atoms (preferably 1 to 8), and the alkyl group may be substituted by 1 or 2 or more.
- Examples of Ar 2 and Ar 4 having a substituent include a methylphenyl group, a dimethylphenyl group, and a methylbiphenyl group.
- R 11 is preferably a substituted or unsubstituted alkyl group having 1 to 18 carbon atoms.
- R 11 is more preferably a substituted or unsubstituted alkyl group having 1 to 8 carbon atoms.
- R 1 to R 8 are preferably a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 18 (preferably 1 to 8) carbon atoms.
- R 1 to R 8 , R 2 and R 6 are substituted or unsubstituted alkyl groups having 1 to 18 (preferably 1 to 8) carbon atoms, and R 1 , R 3 to R 5 , R 7 and R 8 may be a hydrogen atom.
- R 12 to R 17 are preferably a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 18 (preferably 1 to 8) carbon atoms.
- R 17 may be a substituted or unsubstituted alkyl group having 1 to 18 (preferably 1 to 8) carbon atoms
- R 12 to R 16 may be a hydrogen atom.
- the compound represented by the formula (1) is preferably represented by any one of the following formulas (5A) to (5D).
- R 21 to R 28 each independently represents a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- R 31 is a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- R 41 to R 45 are each independently a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- R 51 is a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- R 61 to R 65 are each independently a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- R 21 to R 28 each independently represents a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- R 31 is a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- R 41 ⁇ R 49 are each independently a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- R 51 is a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- R 61 to R 69 are each independently a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- R 21 to R 28 each independently represents a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- R 31 is a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- R 41 to R 49 are each independently a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- R 51 is a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- R 61 to R 69 are each independently a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- R 21 to R 28 each independently represents a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- R 31 is a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- R 41 ⁇ R 49 are each independently a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- R 51 is a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- R 61 to R 69 are each independently a hydrogen atom or a substituted or unsubstituted alkyl group having 1 to 50 carbon atoms.
- the number of carbon atoms of the alkyl group of R 21 to R 28 , R 31 , R 41 to R 49 , R 51 and R 61 to R 69 is preferably 1 to 18, and more preferably 1 to 8.
- One embodiment of the compound of the present invention is preferably a material for an organic electroluminescence element.
- Examples of the halogen atom of R 1 to R 10 , R 12 to R 17 , and R 101 to R 110 described later include a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom.
- Examples of the aryl group having 6 to 50 (preferably 6 to 18) ring-forming carbon atoms of R 1 to R 17 , Ar 1 to Ar 4 , R 101 to R 110 described later, and Ar 101 described later include, for example, a phenyl group 1-naphthyl group, 2-naphthyl group, 1-anthryl group, 2-anthryl group, 9-anthryl group, 1-phenanthryl group, 2-phenanthryl group, 3-phenanthryl group, 4-phenanthryl group, 9-phenanthryl group 1-naphthacenyl group, 2-naphthacenyl group, 9-naphthacenyl group, 1-pyrenyl group, 2-pyrenyl group, 4-pyrenyl group, 2-biphenylyl group, 3-biphenylyl group, 4-biphenylyl group, p -Terphenyl 4-yl group, p-terphenyl 3-yl group, p-ter
- a phenyl group, a naphthyl group, a biphenyl group, a terphenyl group, a pyrenyl group, a phenanthryl group and a fluorenyl group more preferably a phenyl group, a naphthyl group, a biphenyl group, a terphenyl group, a pyrenyl group and Fluorenyl group.
- heteroaryl groups of R 1 to R 17 , Ar 1 to Ar 4 , R 101 to R 110 described later, and 5 to 50 (preferably 5 to 18) ring atoms of Ar 101 described below include a pyrrolyl group, Pyrazinyl, pyridinyl, indolyl, isoindolyl, furyl, benzofuranyl, isobenzofuranyl, dibenzofuranyl, dibenzothiophenyl, quinolyl, isoquinolyl, quinoxalinyl, carbazolyl, phenanthridinyl Group, acridinyl group, phenanthrolinyl group, and thienyl group, and pyridine ring, pyrazine ring, pyrimidine ring, pyridazine ring, triazine ring, indole ring, quinoline ring, acridine ring, pyrrolidine ring, dioxane ring, piper
- R 1 to R 17 , R 21 to R 28 , R 31 , R 41 to R 49 , R 51 , R 61 to R 69 and R 101 to R 110 described later have 1 to 50 carbon atoms (preferably 1 to 18).
- the alkyl group include methyl group, ethyl group, propyl group, isopropyl group, n-butyl group, s-butyl group, isobutyl group, t-butyl group, n-pentyl group, n-hexyl group, n- Heptyl, n-octyl, hydroxymethyl, 1-hydroxyethyl, 2-hydroxyethyl, 2-hydroxyisobutyl, 1,2-dihydroxyethyl, 1,3-dihydroxyisopropyl, 2,3- Dihydroxy-t-butyl group, 1,2,3-trihydroxypropyl group, chloromethyl group, 1-chloroethyl group, 2-chloroethyl group, 2-ch
- Examples of the alkenyl group having 2 to 50 carbon atoms (preferably 2 to 18) of R 1 to R 10 , R 12 to R 17 , and R 101 to R 110 described later include a vinyl group, an allyl group, a 1-butenyl group, 2-butenyl group, 3-butenyl group, 1,3-butanedienyl group, 1-methylvinyl group, 1-methylallyl group, 1,1-dimethylallyl group, 2-methylallyl group, 1,2-dimethylallyl group, etc. Can be mentioned.
- Examples of the alkynyl group having 2 to 50 carbon atoms of R 1 to R 10 , R 12 to R 17 , and R 101 to R 110 described later include an ethynyl group.
- Examples of the cycloalkyl group having 3 to 50 (preferably 3 to 18) ring-forming carbon atoms of R 1 to R 10 , R 12 to R 17 , and R 101 to R 110 described later include a cyclopropyl group, a cyclobutyl group, and a cyclopentyl group.
- R 1 to R 10 , R 12 to R 17 , and an alkoxy group (preferably 1 to 18) of R 101 to R 110 described later include an oxygen atom bonded to the alkyl group having 1 to 50 carbon atoms. Group.
- Examples of the aralkyl group having 7 to 50 carbon atoms (preferably 7 to 18) of R 1 to R 10 , R 12 to R 17 , and R 101 to R 110 described later include, for example, a benzyl group, a 1-phenylethyl group, 2-phenylethyl group, 1-phenylisopropyl group, 2-phenylisopropyl group, phenyl-t-butyl group, ⁇ -naphthylmethyl group, 1- ⁇ -naphthylethyl group, 2- ⁇ -naphthylethyl group, 1- ⁇ -Naphthylisopropyl group, 2- ⁇ -naphthylisopropyl group, ⁇ -naphthylmethyl group, 1- ⁇ -naphthylethyl group, 2- ⁇ -naphthylethyl group, 1- ⁇ -naphthylisopropyl group, 2- ⁇ -
- Examples of the aryloxy group having 6 to 50 ring carbon atoms (preferably 6 to 18) of R 1 to R 10 , R 12 to R 17 , and R 101 to R 110 described later include, for example, the above ring carbon atoms Examples include groups in which an oxygen atom is bonded to 6 to 50 aryl groups.
- Examples of the substituted or unsubstituted silyl group of R 1 to R 10 , R 12 to R 17 , and R 101 to R 110 described later include an unsubstituted silyl group (—SiH 3 ), a trialkylsilyl group, and a triarylsilyl group. Groups and the like. The alkyl group and the aryl group are as described for the optional substituent described later.
- Examples of the alkylthio group having 1 to 50 carbon atoms (preferably 1 to 18) of R 1 to R 10 , R 12 to R 17 , and R 101 to R 110 described later include, for example, the above-described 1 to 50 carbon atoms. Examples include a group in which a sulfur atom is bonded to an alkyl group.
- Examples of the arylthio group having 6 to 50 (preferably 6 to 18) ring-forming carbon atoms of R 1 to R 10 , R 12 to R 17 , and R 101 to R 110 described later include, for example, the above-described ring-forming carbon numbers of 6 And groups having a sulfur atom bonded to ⁇ 50 aryl groups.
- a phenylene group for example, m-phenylene group
- a naphthylene group for example, a biphenylene group
- an anthranylene group And pyrenylene group for example,
- heteroarylene group having 5 to 30 (preferably 5 to 18) ring-forming atoms of L 1 to L 3 and L 101 described later examples include non-condensed heteroarylene groups and condensed heteroarylene groups, and more specifically Pyrrolyl, pyrazinyl, pyridinyl, indolyl, isoindolyl, furyl, benzofuranyl, isobenzofuranyl, dibenzofuranyl, dibenzothiophenyl, quinolyl, isoquinolyl, quinoxalinyl, carbazolyl Group, phenanthridinyl group, acridinyl group, phenanthrolinyl group, and thienyl group as a divalent group, and pyridine ring, pyrazine ring, pyrimidine ring, pyridazine ring, triazine ring, indole ring, quinoline ring , Acridine ring, pyrrolidine ring
- examples of the substituent in the case of “substituted or unsubstituted” include, for example, the halogen atom, cyano group, ring formation described above for R 1 to R 10 and the like.
- substituents are the same as those described above as the substituents such as R 1 to R 10 .
- a saturated or unsaturated ring (preferably a saturated or unsaturated, substituted or unsubstituted 5-membered ring or 6-membered ring, more preferably a benzene ring) between any adjacent substituents. May be formed.
- an arbitrary substituent may further have a substituent. Examples of the substituent further included in the arbitrary substituent include the same substituents as those described above.
- One embodiment of the organic EL device of the present invention includes a cathode, an anode, and a light emitting layer disposed between the cathode and the anode, and the light emitting layer contains the above-described compound. Thereby, luminous efficiency can be improved.
- the light emitting layer further contains a compound represented by the following formula (11).
- R 101 to R 110 are each independently a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, a substituted or unsubstituted ring formation.
- R 101 to R 110 is a group represented by —L 101 —Ar 101 .
- L 101 is a single bond, a substituted or unsubstituted arylene group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroarylene group having 5 to 30 ring atoms, and Ar 101 is substituted or unsubstituted.
- L 101 is 2 or more, two or more L 101 may be the same or different.
- Ar 101 is 2 or more, the two or more Ar 101 may be the same or different.
- At least one of R 109 and R 110 is preferably a group represented by the above-mentioned —L 101 —Ar 101 .
- R 109 and R 110 are preferably each independently a group represented by the above-mentioned —L 101 —Ar 101 .
- the content of the compound represented by the formula (1) 1 mass% or more and 20 mass% or less is preferable.
- content of the compound represented by Formula (11) is the whole light emitting layer.
- the content is preferably 80% by mass or more and 99% by mass or less.
- a hole transport layer is preferably provided between the anode and the light emitting layer.
- an electron transport layer is preferably provided between the cathode and the light emitting layer.
- the light emitting layer may be a phosphorescent light emitting layer or a fluorescent light emitting layer, and a plurality of light emitting layers may be provided. When there are a plurality of light emitting layers, a space layer may be provided between the light emitting layers for the purpose of preventing excitons generated in the phosphorescent light emitting layer from diffusing into the fluorescent light emitting layer.
- the organic EL element 1 includes a transparent substrate 2, an anode 3, a cathode 4, and an organic thin film layer 10 disposed between the anode 3 and the cathode 4.
- the organic thin film layer 10 has the above-described light emitting layer 5, but a hole injection / transport layer 6 or the like between the light emitting layer 5 and the anode 3, and an electron injection / transport layer 7 between the light emitting layer 5 and the cathode 4. Etc. may be provided.
- an electron barrier layer may be provided on the anode 3 side of the light emitting layer 5, and a hole barrier layer may be provided on the cathode 4 side of the light emitting layer 5.
- hole injection / transport layer means “at least one of a hole injection layer and a hole transport layer”
- electron injection / transport layer means “electron injection layer” And / or “at least one of the electron transport layers”.
- the substrate is used as a support for the light emitting element.
- the substrate for example, glass, quartz, plastic, or the like can be used.
- a flexible substrate may be used.
- the flexible substrate is a substrate that can be bent (flexible), and examples thereof include a plastic substrate made of polycarbonate or polyvinyl chloride.
- a metal, an alloy, an electrically conductive compound, a mixture thereof, or the like having a high work function specifically, 4.0 eV or more.
- ITO Indium Tin Oxide
- indium oxide-tin oxide containing silicon or silicon oxide indium oxide-tin oxide containing silicon or silicon oxide
- indium oxide-zinc oxide indium oxide-zinc oxide
- tungsten oxide and indium oxide containing zinc oxide.
- graphene graphene.
- gold (Au), platinum (Pt), a nitride of a metal material for example, titanium nitride
- the hole injection layer is a layer containing a substance having a high hole injection property.
- Substances with high hole injection properties include molybdenum oxide, titanium oxide, vanadium oxide, rhenium oxide, ruthenium oxide, chromium oxide, zirconium oxide, hafnium oxide, tantalum oxide, silver oxide, Ladder compounds such as tungsten oxides, manganese oxides, aromatic amine compounds, and fluorene derivatives, or polymer compounds (oligomers, dendrimers, polymers, etc.) can also be used.
- the hole transport layer is a layer containing a substance having a high hole transport property.
- An aromatic amine compound, a carbazole derivative, an anthracene derivative, or the like can be used for the hole transport layer.
- a high molecular compound such as poly (N-vinylcarbazole) (abbreviation: PVK) or poly (4-vinyltriphenylamine) (abbreviation: PVTPA) can also be used.
- PVK N-vinylcarbazole
- PVTPA poly (4-vinyltriphenylamine)
- the layer containing a substance having a high hole-transport property is not limited to a single layer, and two or more layers containing the above substances may be stacked.
- the electron transport layer is a layer containing a substance having a high electron transport property.
- metal complexes such as lithium complexes, aluminum complexes, beryllium complexes, and zinc complexes
- heteroaromatic compounds such as imidazole derivatives, benzimidazole derivatives, azine derivatives, carbazole derivatives, and phenanthroline derivatives
- 3) Polymeric compounds can be used.
- the electron injection layer is a layer containing a substance having a high electron injection property.
- the electron injection layer includes an alkali metal such as lithium (Li), a lithium complex, lithium fluoride (LiF), cesium fluoride (CsF), calcium fluoride (CaF 2 ), lithium oxide (LiOx), and alkali.
- An earth metal or a compound thereof can be used.
- cathode it is preferable to use a metal, an alloy, an electrically conductive compound, a mixture thereof, or the like having a small work function (specifically, 3.8 eV or less).
- cathode materials include elements belonging to Group 1 or Group 2 of the Periodic Table of Elements, that is, alkali metals such as lithium (Li) and cesium (Cs), and alkaline earth such as magnesium (Mg). Examples thereof include metals and alloys containing these metals (for example, MgAg, AlLi).
- each layer is not particularly limited. Conventionally known methods such as vacuum deposition and spin coating can be used. Each layer such as the light-emitting layer is known by a coating method such as a vacuum deposition method, a molecular beam deposition method (MBE method) or a solution dipping method in a solvent, a spin coating method, a casting method, a bar coating method, a roll coating method, etc. Can be formed by a method.
- a coating method such as a vacuum deposition method, a molecular beam deposition method (MBE method) or a solution dipping method in a solvent, a spin coating method, a casting method, a bar coating method, a roll coating method, etc.
- the thickness of each layer is not particularly limited, but generally it is several nm to 1 ⁇ m in order to suppress defects such as pinholes, suppress applied voltage, and improve luminous efficiency.
- the range of is preferable.
- the organic EL element of the present invention can be used for display parts such as an organic EL panel module, display devices such as a television, a mobile phone, or a personal computer, and electronic equipment such as a light emitting device such as a lighting or vehicle lamp. .
- Example 1 (Synthesis of BD-1) A synthesis scheme of BD-1 is shown below.
- the obtained reaction solution was cooled to room temperature and extracted with ethyl acetate, and then the organic layer was washed with water and dried over anhydrous magnesium sulfate, and the solvent was distilled off under reduced pressure.
- the obtained residue was purified by silica gel column chromatography to obtain 4.24 g (76% yield) of BD-1-4.
- Example 2 (Synthesis of BD-2) A synthesis scheme of BD-2 is shown below.
- Example 3 (Synthesis of BD-3) A synthesis scheme of BD-3 is shown below.
- Example 4 (Synthesis of BD-4) A synthesis scheme of BD-4 is shown below.
- Example 5 (Synthesis of BD-5) A synthesis scheme of BD-5 is shown below.
- Example 6 (Synthesis of BD-6) A synthesis scheme of BD-6 is shown below.
- Example 7 (Synthesis of BD-7) A synthesis scheme of BD-7 is shown below.
- Example 8 (Synthesis of BD-8) A synthesis scheme of BD-8 is shown below.
- BD-7-1 2.17 g, 1,6-dibromo-3,8-bis (1-methylethyl) pyrene 1.68 g, bis (di-t-butyl-4-dimethylaminophenylphosphine)
- a mixture of 0.054 g of dichloropalladium, 7.56 ml of LHMDS (1.0 M THF solution) and 30 ml of toluene was heated to reflux for 12 hours.
- the obtained reaction liquid was cooled to room temperature, filtered, and the obtained residue was purified by silica gel column chromatography to obtain 2.29 g (yield 73%) of BD-8.
- Example 9 (Synthesis of BD-9) A synthesis scheme of BD-9 is shown below.
- a compound within the scope of the present invention can be synthesized by using a known alternative reaction or raw material suitable for the target product.
- Example 11 (Production of organic EL element) A 25 mm ⁇ 75 mm ⁇ 1.1 mm thick glass substrate with ITO transparent electrode (anode) (manufactured by Geomatic Co., Ltd.) was subjected to ultrasonic cleaning in isopropyl alcohol for 5 minutes and then UV ozone cleaning for 30 minutes. The film thickness of ITO was 130 nm. A glass substrate with a transparent electrode after cleaning is mounted on a substrate holder of a vacuum deposition apparatus, and first, a compound HI is deposited on the surface on which the transparent electrode is formed so as to cover the transparent electrode. An HI film was formed. This HI film functions as a hole injection layer.
- ITO transparent electrode anode
- UV ozone cleaning for 30 minutes.
- the film thickness of ITO was 130 nm.
- a glass substrate with a transparent electrode after cleaning is mounted on a substrate holder of a vacuum deposition apparatus, and first, a compound HI is deposited on the surface on which the transparent electrode is formed so
- a compound HT1 was vapor-deposited to form an HT1 film having a thickness of 80 nm on the HI film.
- the HT1 film functions as a first hole transport layer.
- the compound HT2 was vapor-deposited to form a HT2 film having a thickness of 10 nm on the HT1 film.
- This HT2 film functions as a second hole transport layer.
- BH-1 (host material) and BD-1 (dopant material) are co-evaporated on the HT2 film so that the ratio (mass ratio) of BD-1 is 4% to form a light-emitting layer with a thickness of 25 nm. did.
- HBL was vapor-deposited on this light emitting layer, and the 10-nm-thick electron carrying layer was formed.
- ET which is an electron injection material, was vapor-deposited on this electron transport layer to form an electron injection layer having a thickness of 15 nm.
- LiF was vapor-deposited on this electron injection layer to form a 1-nm thick LiF film.
- Metal Al was vapor-deposited on this LiF film to form a metal cathode having a thickness of 80 nm.
- the organic EL element was produced as described above. The compounds used are shown below.
- Examples 12-17 and Comparative Examples 1-2 An organic EL device was prepared and evaluated in the same manner as in Example 11 except that the compounds shown in Table 1 were used as the dopant material. The results are shown in Table 1. The compounds used are shown below.
- the organic EL elements of Examples 11 to 17 using BD-1 to BD-6 and BD-9 had higher external quantum efficiency than the organic EL elements of Comparative Examples 1 and 2. From the above, it was found that when the compound according to one embodiment of the present invention is used for an organic EL element, the light emission efficiency is excellent. The reason is presumed as follows. BD-1 to BD-6 and BD-9 have a substituent at the 3-position of the dibenzofuran side chain substituent of the pyrene structure, thereby increasing the rigidity of the amino group to which dibenzofuran is bonded, and vibration from the excited state. By preventing inactivation, it is thought that it leads to high luminous efficiency.
- the compound according to one embodiment of the present invention has a substituent at a specific position such as dibenzofuran and dibenzothiophene in the side chain substituent of the pyrene structure, thereby increasing the rigidity of the amino group to which dibenzofuran and dibenzothiophene are bonded. By preventing vibration inactivation from the excited state, it leads to high luminous efficiency.
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Abstract
Description
下記式(1)で表される化合物。
L1、L2及びL3は、それぞれ独立に、単結合、置換もしくは無置換の環形成炭素数6~30のアリーレン基、又は置換もしくは無置換の環形成原子数5~30のヘテロアリーレン基である。)
Ar1、Ar2、L1、L2及びL3が2以上の場合、2以上のAr1、Ar2、L1、L2及びL3のそれぞれは同一でもよく、異なっていてもよい。)
X1は酸素原子又は硫黄原子を示す。)
陰極と、
陽極と、
前記陰極と前記陽極との間に配置された発光層と、
を有し、
前記発光層が、上述の化合物を含有する有機エレクトロルミネッセンス素子。
Zの環形成原子数5~50のヘテロアリール基としては、後述のR1~R10等の環形成原子数5~50のヘテロアリール基と同様のものが挙げられる。
Zの炭素数1~50のアルキル基としては、後述のR1~R10等の炭素数1~50のアルキル基と同様のものが挙げられる。
L1、L2及びL3は、それぞれ独立に、単結合、置換もしくは無置換の環形成炭素数6~30のアリーレン基、又は置換もしくは無置換の環形成原子数5~30のヘテロアリーレン基である。)
Ar1、Ar2、L1、L2及びL3が2以上の場合、2以上のAr1、Ar2、L1、L2及びL3のそれぞれは同一でもよく、異なっていてもよい。)
X1は酸素原子又は硫黄原子を示す。)
Ar3及びAr4は、それぞれ独立に、置換もしくは無置換の環形成炭素数6~50のアリール基、置換もしくは無置換の環形成原子数5~50のヘテロアリール基又は前記式(3)で表される基を示す。
ただし、Ar3及びAr4のうち少なくとも1つが前記式(3)で表される基である。)
Ar3及びAr4は、それぞれ独立に、置換もしくは無置換の環形成炭素数6~50のアリール基、置換もしくは無置換の環形成原子数5~50のヘテロアリール基又は前記式(3)で表される基を示す。
ただし、Ar3及びAr4のうち少なくとも1つが前記式(3)で表される基である。)
Ar3及びAr4は、それぞれ独立に、置換もしくは無置換の環形成炭素数6~50のアリール基、置換もしくは無置換の環形成原子数5~50のヘテロアリール基又は前記式(3)で表される基を示す。
ただし、Ar3及びAr4のうち少なくとも1つ(両方でもよい。)が前記式(3)で表される基である。)
Ar1及びAr3が、それぞれ独立に、前記式(3)で表される基であり、
Ar2及びAr4が、それぞれ独立に、置換もしくは無置換の環形成炭素数6~50のアリール基であり、
R11が、それぞれ独立に、置換もしくは無置換の炭素数1~50のアルキル基、又は置換もしくは無置換の環形成炭素数6~50のアリール基であり、
R12~R17は、それぞれ独立に、水素原子、置換もしくは無置換の炭素数1~50のアルキル基、又は置換もしくは無置換の環形成炭素数6~50のアリール基であることが好ましい。
Ar2及びAr4が置換基を有する場合の置換基としては、炭素数1~18(好ましくは1~8)のアルキル基が好ましく、当該アルキル基が1又は2以上置換してもよい。置換基を有する場合のAr2及びAr4としては、例えばメチルフェニル基、ジメチルフェニル基、メチルビフェニル基等が挙げられる。
R31は置換もしくは無置換の炭素数1~50のアルキル基である。
R41~R45は、それぞれ独立に、水素原子又は置換もしくは無置換の炭素数1~50のアルキル基である。
R51は置換もしくは無置換の炭素数1~50のアルキル基である。
R61~R65は、それぞれ独立に、水素原子又は置換もしくは無置換の炭素数1~50のアルキル基である。)
R31は置換もしくは無置換の炭素数1~50のアルキル基である。
R41~R49は、それぞれ独立に、水素原子又は置換もしくは無置換の炭素数1~50のアルキル基である。
R51は置換もしくは無置換の炭素数1~50のアルキル基である。
R61~R69は、それぞれ独立に、水素原子又は置換もしくは無置換の炭素数1~50のアルキル基である。)
R31は置換もしくは無置換の炭素数1~50のアルキル基である。
R41~R49は、それぞれ独立に、水素原子又は置換もしくは無置換の炭素数1~50のアルキル基である。
R51は置換もしくは無置換の炭素数1~50のアルキル基である。
R61~R69は、それぞれ独立に、水素原子又は置換もしくは無置換の炭素数1~50のアルキル基である。)
R31は置換もしくは無置換の炭素数1~50のアルキル基である。
R41~R49は、それぞれ独立に、水素原子又は置換もしくは無置換の炭素数1~50のアルキル基である。
R51は置換もしくは無置換の炭素数1~50のアルキル基である。
R61~R69は、それぞれ独立に、水素原子又は置換もしくは無置換の炭素数1~50のアルキル基である。)
これらの中で、好ましくはフェニル基、ナフチル基、ビフェニル基、テルフェニル基、ピレニル基、フェナントリル基及びフルオレニル基であり、より好ましくはフェニル基、ナフチル基、ビフェニル基、テルフェニル基、ピレニル基及びフルオレニル基である。
これらの各置換基の具体例は、それぞれR1~R10等の置換基として上述したものと同様である。
本明細書において、任意の置換基は、さらに置換基を有してもよい。任意の置換基がさらに有する置換基としては、上記任意の置換基と同様のものが挙げられる。
これにより、発光効率を向上させることができる。
ただし、R101~R110の少なくとも1つは、-L101-Ar101で表される基である。L101は、単結合、置換もしくは無置換の環形成炭素数6~30のアリーレン基、又は置換もしくは無置換の環形成原子数5~30のヘテロアリーレン基であり、Ar101は、置換もしくは無置換の環形成炭素数6~50のアリール基、又は置換もしくは無置換の環形成原子数5~50のヘテロアリール基である。L101が2以上の場合、2以上のL101は同一でもよく、異なっていてもよい。Ar101が2以上の場合、2以上のAr101は同一でもよく、異なっていてもよい。)
また、上述の発光層が、式(1)で表される化合物と、式(11)で表される化合物とを含む場合、式(11)で表される化合物の含有量は、発光層全体に対して、80質量%以上99質量%以下が好ましい。
(1)陽極/発光層/陰極
(2)陽極/正孔注入層/発光層/陰極
(3)陽極/発光層/電子注入・輸送層/陰極
(4)陽極/正孔注入層/発光層/電子注入・輸送層/陰極
(5)陽極/有機半導体層/発光層/陰極
(6)陽極/有機半導体層/電子障壁層/発光層/陰極
(7)陽極/有機半導体層/発光層/付着改善層/陰極
(8)陽極/正孔注入・輸送層/発光層/電子注入・輸送層/陰極
(9)陽極/絶縁層/発光層/絶縁層/陰極
(10)陽極/無機半導体層/絶縁層/発光層/絶縁層/陰極
(11)陽極/有機半導体層/絶縁層/発光層/絶縁層/陰極
(12)陽極/絶縁層/正孔注入・輸送層/発光層/絶縁層/陰極
(13)陽極/絶縁層/正孔注入・輸送層/発光層/電子注入・輸送層/陰極
等の構造を挙げることができる。
上記の中で(8)の構成が好ましく用いられるが、これらに限定されるものではない。
有機EL素子1は、透明な基板2と、陽極3と、陰極4と、陽極3と陰極4との間に配置された有機薄膜層10と、を有する。
有機薄膜層10は、上述の発光層5を有するが、発光層5と陽極3との間に正孔注入・輸送層6等、発光層5と陰極4との間に電子注入・輸送層7等を備えていてもよい。
また、発光層5の陽極3側に電子障壁層を、発光層5の陰極4側に正孔障壁層を、それぞれ設けてもよい。
これにより、電子や正孔を発光層5に閉じ込めて、発光層5における励起子の生成確率を高めることができる。
BD-1の合成スキームを次に示す。
アルゴン雰囲気下、1-フルオロ-3-メチル-2-ニトロベンゼン 22.8g、2-ブロモフェノール 25.4g、炭酸カリウム 40.6g、ジメチルホルムアミド(DMF) 500mlの混合物を120℃で2時間撹拌した。得られた反応液を室温に冷却し、酢酸エチルで抽出を行った後、有機層を水で洗浄し、無水硫酸マグネシウムで乾燥し、溶媒を減圧留去した。得られた残渣をシリカゲルカラムクロマトグラフィーで精製することでBD-1-1 40.3g(収率89%)を得た。
アルゴン雰囲気下、BD-1-1 40.0g、酢酸パラジウム(Pd(OAc)2) 2.91g、テトラフルオロホウ酸トリシクロヘキシルホスフィン(PCy3HBF4) 9.56g、炭酸セシウム 127g、ジメチルアセトアミド(DMA) 400mlの混合物を130℃で3時間撹拌した。得られた反応液を室温に冷却し、酢酸エチルで抽出を行った後、有機層を水で洗浄し、無水硫酸マグネシウムで乾燥し、溶媒を減圧留去した。得られた残渣をシリカゲルカラムクロマトグラフィーにて精製することで、BD-1-2 15.3g(収率52%)を得た。
アルゴン雰囲気下、BD-1-2 7.00g、鉄粉 10.3g、塩化アンモニウム 9.89g、テトラヒドロフラン(THF) 80ml、メタノール(MeOH) 40ml、水(H2O) 40mlの混合物を65℃で4時間撹拌した。得られた反応液を室温に冷却し、セライト濾過し、濾液を飽和炭酸水素ナトリウム水溶液で洗浄し、ヘキサンを加え撹拌、濾過することでBD-1-3 4.48g(収率74%)を得た。
アルゴン雰囲気下、BD-1-3 4.42g、ブロモベンゼン 3.20g、トリスジベンジリデンアセトンジパラジウム(Pd2(dba)3) 0.373g、2,2’-ビス(ジフェニルホスフィノ)-1,1’-ビナフチル(BINAP) 0.508g、ナトリウム-t-ブトキシド(NaOtBu) 3.92g、トルエン 100mlの混合物を16時間加熱還流した。得られた反応液を室温に冷却し、酢酸エチルで抽出を行った後、有機層を水で洗浄し、無水硫酸マグネシウムで乾燥し、溶媒を減圧留去した。得られた残渣をシリカゲルカラムクロマトグラフィーにて精製することで、BD-1-4 4.24g(収率76%)を得た。
アルゴン雰囲気下、BD-1-4 4.15g、ジブロモピレン 2.60g、ビス(ジ-t-ブチル-4-ジメチルアミノフェニルホスフィン)ジクロロパラジウム(Pd(Cl)2(Amphos)2) 0.102g、リチウムビス(トリメチルシリル)アミド(LHMDS)(1.0M THF溶液) 14.4ml、トルエン 50mlの混合物を3時間加熱還流した。得られた反応液を室温に冷却し、濾過し、得られた残渣をシリカゲルカラムクロマトグラフィーにて精製することで、BD-1 4.49g(収率83%)を得た。
BD-2の合成スキームを次に示す。
アルゴン雰囲気下、BD-1-3 4.42g、1-ブロモ-2-メチルベンゼン 4.00g、トリスジベンジリデンアセトンジパラジウム 0.428g、BINAP 0.582g、ナトリウム-t-ブトキシド 4.50g、トルエン 80mlの混合物を16時間加熱還流した。得られた反応液を室温に冷却し、酢酸エチルで抽出を行った後、有機層を水で洗浄し、無水硫酸マグネシウムで乾燥し、溶媒を減圧留去した。得られた残渣をシリカゲルカラムクロマトグラフィーにて精製することで、BD-2-1 5.75g(収率86%)を得た。
アルゴン雰囲気下、BD-2-1 5.53g、ジブロモピレン 3.30g、ビス(ジ-t-ブチル-4-ジメチルアミノフェニルホスフィン)ジクロロパラジウム 0.130g、LHMDS(1.0M THF溶液) 18.3ml、トルエン 30mlの混合物を5時間加熱還流した。得られた反応液を室温に冷却し、濾過し、水、メタノール、トルエンにより洗浄することで、BD-2 3.32g(収率47%)を得た。
BD-3の合成スキームを次に示す。
アルゴン雰囲気下、BD-1-3 5.39g、3-ヨード-4-メチル-1,1’-ビフェニル 7.30g、トリスジベンジリデンアセトンジパラジウム 0.455g、BINAP 0.618g、ナトリウム-t-ブトキシド 4.77g、トルエン 80mlの混合物を10時間加熱還流した。得られた反応液を室温に冷却し、酢酸エチルで抽出を行った後、有機層を水で洗浄し、無水硫酸マグネシウムで乾燥し、溶媒を減圧留去した。得られた残渣をシリカゲルカラムクロマトグラフィーにて精製することで、BD-3-1 7.22g(収率 70%)を得た。
アルゴン雰囲気下、BD-3-1 3.39g、ジブロモピレン 1.60g、ビス(ジ-t-ブチル-4-ジメチルアミノフェニルホスフィン)ジクロロパラジウム 0.0629g、LHMDS(1.0M THF溶液) 8.89ml、トルエン 30mlの混合物を16時間加熱還流した。得られた反応液を室温に冷却し、濾過し、得られた残渣をシリカゲルカラムクロマトグラフィーにて精製することで、BD-3 1.75g(収率43%)を得た。
BD-4の合成スキームを次に示す。
アルゴン雰囲気下、BD-3-1 3.44g、1,6-ジブロモ-3,8-ビス(1-メチルエチル)ピレン 2.00g、ビス(ジ-t-ブチル-4-ジメチルアミノフェニルホスフィン)ジクロロパラジウム 0.0638g、LHMDS(1.0M THF溶液) 9.00ml、トルエン 30mlの混合物を20時間加熱還流した。得られた反応液を室温に冷却し、濾過し、得られた残渣をシリカゲルカラムクロマトグラフィーにて精製することで、BD-4 2.05g(収率45%)を得た。
アルゴン雰囲気下、BD-2-1 2.31g、1,6-ジブロモ-3,8-ビス(1-メチルエチル)ピレン 1.70g、ビス(ジ-t-ブチル-4-ジメチルアミノフェニルホスフィン)ジクロロパラジウム 0.054g、LHMDS(1.0M THF溶液) 7.65ml、トルエン 30mlの混合物を17時間加熱還流した。得られた反応液を室温に冷却し、濾過し、得られた残渣をシリカゲルカラムクロマトグラフィーにて精製することで、BD-5 2.25g(収率69%)を得た。
アルゴン雰囲気下、BD-1-4 2.17g、1,6-ジブロモ-3,8-ビス(1-メチルエチル)ピレン 1.70g、ビス(ジ-t-ブチル-4-ジメチルアミノフェニルホスフィン)ジクロロパラジウム 0.054g、LHMDS(1.0M THF溶液) 7.56ml、トルエン 30mlの混合物を12時間加熱還流した。得られた反応液を室温に冷却し、濾過し、得られた残渣をシリカゲルカラムクロマトグラフィーにて精製することで、BD-6 2.29g(収率73%)を得た。
アルゴン雰囲気下、BD-1-3 4.00g、2-ブロモパラキシレン 3.42g、トリスジベンジリデンアセトンジパラジウム 0.338g、BINAP 0.460g、ナトリウム-t-ブトキシド 3.56g、トルエン 60mlの混合物を3時間加熱還流した。得られた反応液を室温に冷却し、酢酸エチルで抽出を行った後、有機層を水で洗浄し、無水硫酸マグネシウムで乾燥し、溶媒を減圧留去した。得られた残渣をシリカゲルカラムクロマトグラフィーにて精製することで、BD-7-1 4.17g(収率75%)を得た。
アルゴン雰囲気下、BD-7-1 2.42g、ジブロモピレン 1.38g、ビス(ジ-t-ブチル-4-ジメチルアミノフェニルホスフィン)ジクロロパラジウム 0.054g、LHMDS(1.0M THF溶液) 7.65ml、トルエン 30mlの混合物を17時間加熱還流した。得られた反応液を室温に冷却し、濾過し、得られた残渣をシリカゲルカラムクロマトグラフィーにて精製することで、BD-7 2.57g(収率68%)を得た。
アルゴン雰囲気下、1-フルオロ-3-メチル-2-ニトロベンゼン 30.0g、6-ブロモオルトクレゾール 36.1g、炭酸カリウム 53.3g、ジメチルホルムアミド(DMF) 650mlの混合物を120℃で5時間撹拌した。得られた反応液を室温に冷却し、酢酸エチルで抽出を行った後、有機層を水で洗浄し、無水硫酸マグネシウムで乾燥し、溶媒を減圧留去した。得られた残渣をカラムクロマトグラフィーで精製することでBD-9-1 34.2g(収率55%)を得た。
アルゴン雰囲気下、BD-9-1 30.0g、酢酸パラジウム 2.08g、テトラフルオロホウ酸トリシクロヘキシルホスフィン 6.83g、炭酸セシウム 91g、ジメチルアセトアミド(DMA) 280mlの混合物を130℃で8時間撹拌した。得られた反応液を室温に冷却し、酢酸エチルで抽出を行った後、有機層を水で洗浄し、無水硫酸マグネシウムで乾燥し、溶媒を減圧留去した。得られた残渣をシリカゲルカラムクロマトグラフィーにて精製することで、BD-9-2 8.97g(収率40%)を得た。
アルゴン雰囲気下、BD-9-2 8.00g、鉄粉 11.1g、塩化アンモニウム 10.7g、テトラヒドロフラン(THF) 90ml、メタノール(MeOH) 45ml、水(H2O) 45mlの混合物を65℃で4時間撹拌した。得られた反応液を室温に冷却し、セライト濾過し、濾液を飽和炭酸水素ナトリウム水溶液で洗浄し、ヘキサンを加え撹拌、濾過することでBD-9-3 4.77g(収率68%)を得た。
アルゴン雰囲気下、BD-9-3 4.00g、ブロモベンゼン 2.70g、トリスジベンジリデンアセトンジパラジウム 0.315g、BINAP 0.429g、ナトリウム-t-ブトキシド 3.31g、トルエン 80mlの混合物を16時間加熱還流した。得られた反応液を室温に冷却し、酢酸エチルで抽出を行った後、有機層を水で洗浄し、無水硫酸マグネシウムで乾燥し、溶媒を減圧留去した。得られた残渣をシリカゲルカラムクロマトグラフィーにて精製することで、BD-9-4 3.42g(収率63%)を得た。
アルゴン雰囲気下、BD-9-4 3.40g、ジブロモピレン 2.00g、ビス(ジ-t-ブチル-4-ジメチルアミノフェニルホスフィン)ジクロロパラジウム 0.079g、LHMDS(1.0M THF溶液) 11.2ml、トルエン 40mlの混合物を3時間加熱還流した。得られた反応液を室温に冷却し、濾過し、得られた残渣をシリカゲルカラムクロマトグラフィーにて精製することで、BD-9 3.09g(収率72%)を得た。
(有機EL素子の作製)
25mm×75mm×1.1mm厚のITO透明電極(陽極)付きガラス基板(ジオマティック株式会社製)をイソプロピルアルコール中で超音波洗浄を5分間行なった後、UVオゾン洗浄を30分間行なった。ITOの膜厚は、130nmとした。
洗浄後の透明電極付きガラス基板を真空蒸着装置の基板ホルダーに装着し、まず透明電極が形成されている側の面上に透明電極を覆うようにして化合物HIを蒸着し、膜厚5nmの化合物HI膜を形成した。このHI膜は、正孔注入層として機能する。
HT1膜の成膜に続けて化合物HT2を蒸着し、HT1膜上に膜厚10nmのHT2膜を成膜した。このHT2膜は第2の正孔輸送層として機能する。
HT2膜上にBH-1(ホスト材料)及びBD-1(ドーパント材料)を、BD-1の割合(質量比)が4%となるように共蒸着し、膜厚25nmの発光層を成膜した。
以上のようにして有機EL素子を作製した。用いた化合物を以下に示す。
得られた有機EL素子の初期特性を、室温下、DC(直流)定電流10mA/cm2駆動で測定した。電圧の測定結果を表1に示す。
また、電流密度が10mA/cm2となるように有機EL素子に電圧を印加し、EL発光スペクトルを分光放射輝度計CS-1000(コニカミノルタ株式会社製)にて計測した。得られた分光放射輝度スペクトルから、外部量子効率EQE(%)を算出した。結果を表1に示す。
上記から、本発明の一態様に係る化合物を有機EL素子に用いると、発光効率に優れることが分かった。理由は以下と推察される。
BD-1~BD-6及びBD-9は、ピレン構造の側鎖置換基のジベンゾフランの3位に置換基を有することにより、ジベンゾフランが結合したアミノ基の剛直性が増し、励起状態からの振動失活を防ぐことで、高い発光効率につながっていると考えられる。
本発明の一態様に係る化合物は、ピレン構造の側鎖置換基のジベンゾフラン及びジベンゾチオフェン等の特定の位置に置換基を有することにより、ジベンゾフラン及びジベンゾチオフェン等が結合したアミノ基の剛直性が増し、励起状態からの振動失活を防ぐことで、高い発光効率につながる。
本願のパリ優先の基礎となる日本出願明細書の内容を全てここに援用する。
Claims (23)
- 下記式(1)で表される化合物。
L1、L2及びL3は、それぞれ独立に、単結合、置換もしくは無置換の環形成炭素数6~30のアリーレン基、又は置換もしくは無置換の環形成原子数5~30のヘテロアリーレン基である。)
Ar1、Ar2、L1、L2及びL3が2以上の場合、2以上のAr1、Ar2、L1、L2及びL3のそれぞれは同一でもよく、異なっていてもよい。)
X1は酸素原子又は硫黄原子を示す。) - X1が酸素原子である請求項1に記載の化合物。
- L1が単結合である請求項1又は2に記載の化合物。
- Ar1が前記式(3)で表される基であり、Ar2が、置換もしくは無置換の環形成炭素数6~50のアリール基である請求項1~3のいずれかに記載の化合物。
- L2及びL3が単結合である請求項1~4のいずれかに記載の化合物。
- R1~R10の2つが前記式(2)で表される基である請求項1~5のいずれかに記載の化合物。
- R12~R17が、隣接する置換基同士で飽和又は不飽和の環を形成しない請求項1~6のいずれかに記載の化合物。
- R1~R8が、それぞれ独立に、水素原子、又は置換もしくは無置換の炭素数1~50のアルキル基であり、
Ar1及びAr3が、それぞれ独立に、前記式(3)で表される基であり、
Ar2及びAr4が、それぞれ独立に、置換もしくは無置換の環形成炭素数6~50のアリール基であり、
R11が、それぞれ独立に、置換もしくは無置換の炭素数1~50のアルキル基、又は置換もしくは無置換の環形成炭素数6~50のアリール基であり、
R12~R17が、それぞれ独立に、水素原子、置換もしくは無置換の炭素数1~50のアルキル基、又は置換もしくは無置換の環形成炭素数6~50のアリール基である請求項8~10のいずれかに記載の化合物。 - R1~R8が、それぞれ独立に、水素原子、又は置換もしくは無置換の炭素数1~18のアルキル基であり、
Ar1及びAr3が、それぞれ独立に、前記式(3)で表される基であり、
Ar2及びAr4が、それぞれ独立に、置換もしくは無置換の環形成炭素数6~18のアリール基であり、
R11が、それぞれ独立に、置換もしくは無置換の炭素数1~18のアルキル基、又は置換もしくは無置換の環形成炭素数6~18のアリール基であり、
R12~R17が、それぞれ独立に、水素原子、置換もしくは無置換の炭素数1~18のアルキル基、又は置換もしくは無置換の環形成炭素数6~18のアリール基である請求項8~10のいずれかに記載の化合物。 - Ar2及びAr4が、それぞれ独立に、置換もしくは無置換のフェニル基、置換もしくは無置換のビフェニル基、又は置換もしくは無置換のナフチル基である請求項11又は12に記載の化合物。
- R11が置換もしくは無置換の炭素数1~8のアルキル基である請求項1~13のいずれかに記載の化合物。
- R1~R8が水素原子である請求項1~14のいずれかに記載の化合物。
- 有機エレクトロルミネッセンス素子用材料である請求項1~15のいずれかに記載の化合物。
- 陰極と、
陽極と、
前記陰極と前記陽極との間に配置された発光層と、
を有し、
前記発光層が、請求項1~16のいずれかに記載の化合物を含有する有機エレクトロルミネッセンス素子。 - 前記発光層が、さらに下記式(11)で表される化合物を含む請求項17に記載の有機エレクトロルミネッセンス素子。
ただし、R101~R110の少なくとも1つは、-L101-Ar101で表される基である。L101は、単結合、置換もしくは無置換の環形成炭素数6~30のアリーレン基、又は置換もしくは無置換の環形成原子数5~30のヘテロアリーレン基であり、Ar101は、置換もしくは無置換の環形成炭素数6~50のアリール基、又は置換もしくは無置換の環形成原子数5~50のヘテロアリール基である。L101が2以上の場合、2以上のL101は同一でもよく、異なっていてもよい。Ar101が2以上の場合、2以上のAr101は同一でもよく、異なっていてもよい。) - R109及びR110の少なくとも1つが、前記-L101-Ar101で表される基である請求項18に記載の有機エレクトロルミネッセンス素子。
- R109及びR110が、それぞれ独立に、前記-L101-Ar101で表される基である請求項18に記載の有機エレクトロルミネッセンス素子。
- 前記陽極と前記発光層との間に正孔輸送層を有する請求項17~20のいずれかに記載の有機エレクトロルミネッセンス素子。
- 前記陰極と前記発光層との間に電子輸送層を有する請求項17~21のいずれかに記載の有機エレクトロルミネッセンス素子。
- 請求項17~22のいずれかに記載の有機エレクトロルミネッセンス素子を備える電子機器。
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WO2020027323A1 (ja) * | 2018-08-03 | 2020-02-06 | 出光興産株式会社 | 有機エレクトロルミネッセンス素子及び電子機器 |
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