JP2017119652A - ビカルバゾール化合物、有機エレクトロルミネッセンス素子用材料、および有機エレクトロルミネッセンス素子 - Google Patents
ビカルバゾール化合物、有機エレクトロルミネッセンス素子用材料、および有機エレクトロルミネッセンス素子 Download PDFInfo
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- JP2017119652A JP2017119652A JP2015257233A JP2015257233A JP2017119652A JP 2017119652 A JP2017119652 A JP 2017119652A JP 2015257233 A JP2015257233 A JP 2015257233A JP 2015257233 A JP2015257233 A JP 2015257233A JP 2017119652 A JP2017119652 A JP 2017119652A
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 117
- 239000000463 material Substances 0.000 title claims description 56
- 239000010410 layer Substances 0.000 claims description 101
- 125000004432 carbon atom Chemical group C* 0.000 claims description 52
- 125000003118 aryl group Chemical group 0.000 claims description 28
- 125000006413 ring segment Chemical group 0.000 claims description 27
- 125000001072 heteroaryl group Chemical group 0.000 claims description 26
- 125000001424 substituent group Chemical group 0.000 claims description 24
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 20
- 229910052717 sulfur Inorganic materials 0.000 claims description 20
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 19
- 239000012044 organic layer Substances 0.000 claims description 19
- 125000004434 sulfur atom Chemical group 0.000 claims description 19
- 125000000217 alkyl group Chemical group 0.000 claims description 14
- 125000002947 alkylene group Chemical group 0.000 claims description 13
- 125000000732 arylene group Chemical group 0.000 claims description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 11
- 229910052710 silicon Inorganic materials 0.000 claims description 11
- 125000005549 heteroarylene group Chemical group 0.000 claims description 10
- 238000005401 electroluminescence Methods 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 9
- 125000004429 atom Chemical group 0.000 claims description 8
- 229910052805 deuterium Inorganic materials 0.000 claims description 6
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 6
- 125000004431 deuterium atom Chemical group 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000004132 cross linking Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 35
- 238000002347 injection Methods 0.000 description 31
- 239000007924 injection Substances 0.000 description 31
- 230000005525 hole transport Effects 0.000 description 24
- 239000000243 solution Substances 0.000 description 23
- -1 biphenylyl group Chemical group 0.000 description 22
- 238000000576 coating method Methods 0.000 description 22
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- 239000000758 substrate Substances 0.000 description 12
- 239000007983 Tris buffer Substances 0.000 description 10
- 239000010408 film Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 10
- 125000000499 benzofuranyl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 229910052741 iridium Inorganic materials 0.000 description 7
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 7
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 7
- 238000001771 vacuum deposition Methods 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 125000002541 furyl group Chemical group 0.000 description 6
- 238000004895 liquid chromatography mass spectrometry Methods 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 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 5
- 239000012300 argon atmosphere Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 5
- 125000003838 furazanyl group Chemical group 0.000 description 5
- 125000005956 isoquinolyl group Chemical group 0.000 description 5
- 125000001624 naphthyl group Chemical group 0.000 description 5
- 125000003373 pyrazinyl group Chemical group 0.000 description 5
- 125000004076 pyridyl group Chemical group 0.000 description 5
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- 125000005493 quinolyl group Chemical group 0.000 description 5
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 5
- 238000004528 spin coating Methods 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- 125000001544 thienyl group Chemical group 0.000 description 5
- 125000004306 triazinyl group Chemical group 0.000 description 5
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 150000001721 carbon Chemical group 0.000 description 4
- 125000004988 dibenzothienyl group Chemical group C1(=CC=CC=2SC3=C(C21)C=CC=C3)* 0.000 description 4
- 239000002019 doping agent Substances 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- IBHBKWKFFTZAHE-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-1-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-1-amine Chemical compound C1=CC=CC=C1N(C=1C2=CC=CC=C2C=CC=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C3=CC=CC=C3C=CC=2)C=C1 IBHBKWKFFTZAHE-UHFFFAOYSA-N 0.000 description 4
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 4
- 229920003227 poly(N-vinyl carbazole) Polymers 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical compound C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 description 4
- VQGHOUODWALEFC-UHFFFAOYSA-N 2-phenylpyridine Chemical compound C1=CC=CC=C1C1=CC=CC=N1 VQGHOUODWALEFC-UHFFFAOYSA-N 0.000 description 3
- OBAJPWYDYFEBTF-UHFFFAOYSA-N 2-tert-butyl-9,10-dinaphthalen-2-ylanthracene Chemical compound C1=CC=CC2=CC(C3=C4C=CC=CC4=C(C=4C=C5C=CC=CC5=CC=4)C4=CC=C(C=C43)C(C)(C)C)=CC=C21 OBAJPWYDYFEBTF-UHFFFAOYSA-N 0.000 description 3
- VFUDMQLBKNMONU-UHFFFAOYSA-N 9-[4-(4-carbazol-9-ylphenyl)phenyl]carbazole Chemical group C12=CC=CC=C2C2=CC=CC=C2N1C1=CC=C(C=2C=CC(=CC=2)N2C3=CC=CC=C3C3=CC=CC=C32)C=C1 VFUDMQLBKNMONU-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910006404 SnO 2 Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 229940126214 compound 3 Drugs 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
- 125000001977 isobenzofuranyl group Chemical group C=1(OC=C2C=CC=CC12)* 0.000 description 3
- FQHFBFXXYOQXMN-UHFFFAOYSA-M lithium;quinolin-8-olate Chemical compound [Li+].C1=CN=C2C([O-])=CC=CC2=C1 FQHFBFXXYOQXMN-UHFFFAOYSA-M 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 3
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 3
- 230000002194 synthesizing effect Effects 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 3
- CYPYTURSJDMMMP-WVCUSYJESA-N (1e,4e)-1,5-diphenylpenta-1,4-dien-3-one;palladium Chemical compound [Pd].[Pd].C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 CYPYTURSJDMMMP-WVCUSYJESA-N 0.000 description 2
- LWNGJAHMBMVCJR-UHFFFAOYSA-N (2,3,4,5,6-pentafluorophenoxy)boronic acid Chemical compound OB(O)OC1=C(F)C(F)=C(F)C(F)=C1F LWNGJAHMBMVCJR-UHFFFAOYSA-N 0.000 description 2
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 2
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 2
- IYZMXHQDXZKNCY-UHFFFAOYSA-N 1-n,1-n-diphenyl-4-n,4-n-bis[4-(n-phenylanilino)phenyl]benzene-1,4-diamine Chemical compound C1=CC=CC=C1N(C=1C=CC(=CC=1)N(C=1C=CC(=CC=1)N(C=1C=CC=CC=1)C=1C=CC=CC=1)C=1C=CC(=CC=1)N(C=1C=CC=CC=1)C=1C=CC=CC=1)C1=CC=CC=C1 IYZMXHQDXZKNCY-UHFFFAOYSA-N 0.000 description 2
- LPCWDYWZIWDTCV-UHFFFAOYSA-N 1-phenylisoquinoline Chemical compound C1=CC=CC=C1C1=NC=CC2=CC=CC=C12 LPCWDYWZIWDTCV-UHFFFAOYSA-N 0.000 description 2
- RIKNNBBGYSDYAX-UHFFFAOYSA-N 2-[1-[2-(4-methyl-n-(4-methylphenyl)anilino)phenyl]cyclohexyl]-n,n-bis(4-methylphenyl)aniline Chemical compound C1=CC(C)=CC=C1N(C=1C(=CC=CC=1)C1(CCCCC1)C=1C(=CC=CC=1)N(C=1C=CC(C)=CC=1)C=1C=CC(C)=CC=1)C1=CC=C(C)C=C1 RIKNNBBGYSDYAX-UHFFFAOYSA-N 0.000 description 2
- GEQBRULPNIVQPP-UHFFFAOYSA-N 2-[3,5-bis(1-phenylbenzimidazol-2-yl)phenyl]-1-phenylbenzimidazole Chemical compound C1=CC=CC=C1N1C2=CC=CC=C2N=C1C1=CC(C=2N(C3=CC=CC=C3N=2)C=2C=CC=CC=2)=CC(C=2N(C3=CC=CC=C3N=2)C=2C=CC=CC=2)=C1 GEQBRULPNIVQPP-UHFFFAOYSA-N 0.000 description 2
- OGGKVJMNFFSDEV-UHFFFAOYSA-N 3-methyl-n-[4-[4-(n-(3-methylphenyl)anilino)phenyl]phenyl]-n-phenylaniline Chemical compound CC1=CC=CC(N(C=2C=CC=CC=2)C=2C=CC(=CC=2)C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)=C1 OGGKVJMNFFSDEV-UHFFFAOYSA-N 0.000 description 2
- AWXGSYPUMWKTBR-UHFFFAOYSA-N 4-carbazol-9-yl-n,n-bis(4-carbazol-9-ylphenyl)aniline Chemical compound C12=CC=CC=C2C2=CC=CC=C2N1C1=CC=C(N(C=2C=CC(=CC=2)N2C3=CC=CC=C3C3=CC=CC=C32)C=2C=CC(=CC=2)N2C3=CC=CC=C3C3=CC=CC=C32)C=C1 AWXGSYPUMWKTBR-UHFFFAOYSA-N 0.000 description 2
- MAGFQRLKWCCTQJ-UHFFFAOYSA-M 4-ethenylbenzenesulfonate Chemical compound [O-]S(=O)(=O)C1=CC=C(C=C)C=C1 MAGFQRLKWCCTQJ-UHFFFAOYSA-M 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- 101000837344 Homo sapiens T-cell leukemia translocation-altered gene protein Proteins 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 102100028692 T-cell leukemia translocation-altered gene protein Human genes 0.000 description 2
- IVKAZGPTNGOVHG-UHFFFAOYSA-K [Ir+3].N1=C(C=CC=C1)C(=O)[O-].FC1=CC=C(C(=C1)F)C1(NC=CC=C1)C(=O)[O-].FC1=CC=C(C(=C1)F)C1(NC=CC=C1)C(=O)[O-] Chemical compound [Ir+3].N1=C(C=CC=C1)C(=O)[O-].FC1=CC=C(C(=C1)F)C1(NC=CC=C1)C(=O)[O-].FC1=CC=C(C(=C1)F)C1(NC=CC=C1)C(=O)[O-] IVKAZGPTNGOVHG-UHFFFAOYSA-K 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 125000005428 anthryl 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 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229940125904 compound 1 Drugs 0.000 description 2
- 229940125782 compound 2 Drugs 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N coumarin Chemical compound C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 125000003914 fluoranthenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC=C4C1=C23)* 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000007641 inkjet printing Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 125000005561 phenanthryl group Chemical group 0.000 description 2
- 229920001643 poly(ether ketone) Polymers 0.000 description 2
- 229920000767 polyaniline Polymers 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000007363 ring formation reaction Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001308 synthesis method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 description 2
- BWHDROKFUHTORW-UHFFFAOYSA-N tritert-butylphosphane Chemical compound CC(C)(C)P(C(C)(C)C)C(C)(C)C BWHDROKFUHTORW-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 2
- FIDRAVVQGKNYQK-UHFFFAOYSA-N 1,2,3,4-tetrahydrotriazine Chemical compound C1NNNC=C1 FIDRAVVQGKNYQK-UHFFFAOYSA-N 0.000 description 1
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical group C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- QWUWMCYKGHVNAV-UHFFFAOYSA-N 1,2-dihydrostilbene Chemical group C=1C=CC=CC=1CCC1=CC=CC=C1 QWUWMCYKGHVNAV-UHFFFAOYSA-N 0.000 description 1
- DVQWNQBEUKXONL-UHFFFAOYSA-N 1-iodo-2-methoxybenzene Chemical compound COC1=CC=CC=C1I DVQWNQBEUKXONL-UHFFFAOYSA-N 0.000 description 1
- ABMKWMASVFVTMD-UHFFFAOYSA-N 1-methyl-2-(2-methylphenyl)benzene Chemical group CC1=CC=CC=C1C1=CC=CC=C1C ABMKWMASVFVTMD-UHFFFAOYSA-N 0.000 description 1
- SPDPTFAJSFKAMT-UHFFFAOYSA-N 1-n-[4-[4-(n-[4-(3-methyl-n-(3-methylphenyl)anilino)phenyl]anilino)phenyl]phenyl]-4-n,4-n-bis(3-methylphenyl)-1-n-phenylbenzene-1,4-diamine Chemical compound CC1=CC=CC(N(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=CC(=CC=2)C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=CC(=CC=2)N(C=2C=C(C)C=CC=2)C=2C=C(C)C=CC=2)C=2C=C(C)C=CC=2)=C1 SPDPTFAJSFKAMT-UHFFFAOYSA-N 0.000 description 1
- HUEXNHSMABCRTH-UHFFFAOYSA-N 1h-imidazole Chemical compound C1=CNC=N1.C1=CNC=N1 HUEXNHSMABCRTH-UHFFFAOYSA-N 0.000 description 1
- AYRLTZJUMPULFD-UHFFFAOYSA-N 2-[2-(3-methylphenyl)phenyl]-N,N-diphenylaniline Chemical compound CC=1C=C(C=CC=1)C1=C(C=CC=C1)C1=C(C=CC=C1)N(C1=CC=CC=C1)C1=CC=CC=C1 AYRLTZJUMPULFD-UHFFFAOYSA-N 0.000 description 1
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical compound CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 description 1
- NSMJMUQZRGZMQC-UHFFFAOYSA-N 2-naphthalen-1-yl-1H-imidazo[4,5-f][1,10]phenanthroline Chemical compound C12=CC=CN=C2C2=NC=CC=C2C2=C1NC(C=1C3=CC=CC=C3C=CC=1)=N2 NSMJMUQZRGZMQC-UHFFFAOYSA-N 0.000 description 1
- CINYXYWQPZSTOT-UHFFFAOYSA-N 3-[3-[3,5-bis(3-pyridin-3-ylphenyl)phenyl]phenyl]pyridine Chemical compound C1=CN=CC(C=2C=C(C=CC=2)C=2C=C(C=C(C=2)C=2C=C(C=CC=2)C=2C=NC=CC=2)C=2C=C(C=CC=2)C=2C=NC=CC=2)=C1 CINYXYWQPZSTOT-UHFFFAOYSA-N 0.000 description 1
- JBEQRROTSDUCGC-UHFFFAOYSA-N 3-bromo-6,9-diphenylcarbazole Chemical compound C12=CC=C(C=3C=CC=CC=3)C=C2C2=CC(Br)=CC=C2N1C1=CC=CC=C1 JBEQRROTSDUCGC-UHFFFAOYSA-N 0.000 description 1
- OLMPQQPQSTVRPB-UHFFFAOYSA-N 3-phenyl-1h-benzimidazol-2-one Chemical compound O=C1NC2=CC=CC=C2N1C1=CC=CC=C1 OLMPQQPQSTVRPB-UHFFFAOYSA-N 0.000 description 1
- ZOKIJILZFXPFTO-UHFFFAOYSA-N 4-methyl-n-[4-[1-[4-(4-methyl-n-(4-methylphenyl)anilino)phenyl]cyclohexyl]phenyl]-n-(4-methylphenyl)aniline Chemical compound C1=CC(C)=CC=C1N(C=1C=CC(=CC=1)C1(CCCCC1)C=1C=CC(=CC=1)N(C=1C=CC(C)=CC=1)C=1C=CC(C)=CC=1)C1=CC=C(C)C=C1 ZOKIJILZFXPFTO-UHFFFAOYSA-N 0.000 description 1
- DIVZFUBWFAOMCW-UHFFFAOYSA-N 4-n-(3-methylphenyl)-1-n,1-n-bis[4-(n-(3-methylphenyl)anilino)phenyl]-4-n-phenylbenzene-1,4-diamine Chemical compound CC1=CC=CC(N(C=2C=CC=CC=2)C=2C=CC(=CC=2)N(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)=C1 DIVZFUBWFAOMCW-UHFFFAOYSA-N 0.000 description 1
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- VIZUPBYFLORCRA-UHFFFAOYSA-N 9,10-dinaphthalen-2-ylanthracene Chemical compound C12=CC=CC=C2C(C2=CC3=CC=CC=C3C=C2)=C(C=CC=C2)C2=C1C1=CC=C(C=CC=C2)C2=C1 VIZUPBYFLORCRA-UHFFFAOYSA-N 0.000 description 1
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- 229910001148 Al-Li alloy Inorganic materials 0.000 description 1
- NTRFJIALFNZMHY-UHFFFAOYSA-N BrC1=CC(=C(N)C(=C1)F)F.BrC1=CC(=C(N)C(=C1)F)F Chemical compound BrC1=CC(=C(N)C(=C1)F)F.BrC1=CC(=C(N)C(=C1)F)F NTRFJIALFNZMHY-UHFFFAOYSA-N 0.000 description 1
- JPLOTLIGSIAYIU-UHFFFAOYSA-N C1(=CC=CC=C1)N1C2=CC=CC=C2C=2C=CC=CC12.C1(=CC=CC=C1)C1=CC=CC=2C3=CC=CC=C3NC12 Chemical compound C1(=CC=CC=C1)N1C2=CC=CC=C2C=2C=CC=CC12.C1(=CC=CC=C1)C1=CC=CC=2C3=CC=CC=C3NC12 JPLOTLIGSIAYIU-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
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- MIOPJNTWMNEORI-UHFFFAOYSA-N camphorsulfonic acid Chemical compound C1CC2(CS(O)(=O)=O)C(=O)CC1C2(C)C MIOPJNTWMNEORI-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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- USLKCMBGQFYUFI-UHFFFAOYSA-N dichloromethane;tribromoborane Chemical compound ClCCl.BrB(Br)Br USLKCMBGQFYUFI-UHFFFAOYSA-N 0.000 description 1
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- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 125000001041 indolyl group Chemical group 0.000 description 1
- MILUBEOXRNEUHS-UHFFFAOYSA-N iridium(3+) Chemical compound [Ir+3] MILUBEOXRNEUHS-UHFFFAOYSA-N 0.000 description 1
- ICTDFNDNVXCQFN-UHFFFAOYSA-N iridium(3+);pyridine Chemical compound [Ir+3].C1=CC=NC=C1 ICTDFNDNVXCQFN-UHFFFAOYSA-N 0.000 description 1
- UEEXRMUCXBPYOV-UHFFFAOYSA-N iridium;2-phenylpyridine Chemical compound [Ir].C1=CC=CC=C1C1=CC=CC=N1.C1=CC=CC=C1C1=CC=CC=N1.C1=CC=CC=C1C1=CC=CC=N1 UEEXRMUCXBPYOV-UHFFFAOYSA-N 0.000 description 1
- IVPZJRKMZLRFIL-UHFFFAOYSA-N iridium;pyridine Chemical compound [Ir].C1=CC=NC=C1 IVPZJRKMZLRFIL-UHFFFAOYSA-N 0.000 description 1
- 125000000904 isoindolyl group Chemical group C=1(NC=C2C=CC=CC12)* 0.000 description 1
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- 239000007788 liquid Substances 0.000 description 1
- 150000002642 lithium compounds Chemical class 0.000 description 1
- SJCKRGFTWFGHGZ-UHFFFAOYSA-N magnesium silver Chemical compound [Mg].[Ag] SJCKRGFTWFGHGZ-UHFFFAOYSA-N 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
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- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- 150000004866 oxadiazoles Chemical class 0.000 description 1
- 125000001715 oxadiazolyl group Chemical group 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 1
- 125000001791 phenazinyl group Chemical group C1(=CC=CC2=NC3=CC=CC=C3N=C12)* 0.000 description 1
- 125000001484 phenothiazinyl group Chemical group C1(=CC=CC=2SC3=CC=CC=C3NC12)* 0.000 description 1
- 125000001644 phenoxazinyl group Chemical group C1(=CC=CC=2OC3=CC=CC=C3NC12)* 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 150000003057 platinum Chemical class 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001725 pyrenyl group Chemical group 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- YYMBJDOZVAITBP-UHFFFAOYSA-N rubrene Chemical compound C1=CC=CC=C1C(C1=C(C=2C=CC=CC=2)C2=CC=CC=C2C(C=2C=CC=CC=2)=C11)=C(C=CC=C2)C2=C1C1=CC=CC=C1 YYMBJDOZVAITBP-UHFFFAOYSA-N 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
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- 239000010703 silicon Substances 0.000 description 1
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- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 125000001935 tetracenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C12)* 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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- C07D513/12—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains three hetero rings
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Abstract
Description
まず、本発明の一実施形態に係るビカルバゾール化合物について説明する。
例えば、R2は、互いに独立して、水素原子、フェニル基、ナフチル基、ビフェニルイル基、ターフェニル基、フルオレニル基、ピロリル基、ピリジニル基、ピラジニル基、トリアジニル基、フリル基、ベンゾフラニル基、イソベンゾフラニル基、キノリル基、イソキノリル基、キノキサリニル)基、カルバゾリル基、フラザニル基、チエニル基、ジベンゾフラニル基、ジベンゾチエニル基、隣接する置換基と結合したフェニレン基、または後述する構造Bで表される置換基であってもよい。
続いて、図1を参照して、本発明の一実施形態に係る有機EL素子について、詳細に説明する。図1は、本実施形態に係る有機EL素子の一例を示す模式図である。
まず、本実施形態に係るビカルバゾール化合物の合成方法について、以下の化合物H−1を例示して具体的に説明する。なお、以下に述べる合成方法はあくまでも一例であって、本実施形態に係るビカルバゾール化合物の合成方法が下記の例に限定されるものではない。
以下の各反応式に従って、本実施形態に係るビカルバゾール化合物である化合物H−1を合成した。
上記の化合物H−1の合成方法を基にして、出発物質を変更することによって、以下で構造式を示す化合物H−2、およびH−3を合成した。なお、化合物H−2、およびH−3もLC−MSを用いて構造を同定した。具体的には、LC−MSにて測定された化合物H−2の分子量(m/z値)は、740(M+)であり、化合物H−2(C54H33N3O)の分子量の計算値である740と一致することを確認した。また、LC−MSにて測定された化合物H−3の分子量(m/z値)は、908(M+)であり、化合物H−3(C66H41N3O2)の分子量の計算値である908と一致することを確認した。
次に、以下の工程によって、本実施形態に係るビカルバゾール化合物を含む有機EL素子を製造した。
上記で製造した有機EL素子の電流効率および発光寿命を以下の方法にて評価した。なお、各有機EL素子にて、ホスト材料は、それぞれ以下の表1で示す化合物を用いた。
以上にて説明したように、本発明の一実施形態によれば、特定の構造Aと、特定の構造Bとをそれぞれ少なくとも1つ以上含むビカルバゾール化合物が提供される。本実施形態に係るビカルバゾール化合物は、正孔輸送性ホスト材料として用いることにより、有機EL素子の駆動電圧の低電圧化を可能にし、さらに発光寿命および発光効率を向上させることができる。また、本実施形態に係るビカルバゾール化合物は、溶媒に対して優れた溶解性を有し、塗布成膜性に優れるため、高効率な有機EL素子を溶液塗布法によって製造することを可能にする。
110 基板
120 第1電極
130 正孔注入層
140 正孔輸送層
150 発光層
160 電子輸送層
170 電子注入層
180 第2電極
Claims (12)
- 下記一般式(1)で表される構造Aと、下記一般式(2)で表される構造Bと、を構造中にそれぞれ少なくとも1つ以上含む、ビカルバゾール化合物。
A1およびA2は、互いに独立して、単結合、置換もしくは無置換の炭素数1〜10のアルキレン基、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、また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、ケイ素原子、酸素原子、または硫黄原子であり、かつA1およびA2のいずれか一方は単結合ではなく、
A3は、置換もしくは無置換の炭素数1〜10の3価アルキル基、置換もしくは無置換の環形成炭素数6〜30の3価アリール基、または置換もしくは無置換の環形成原子数5〜30の3価ヘテロアリール基であり、
A4およびA5は、互いに独立して、置換もしくは無置換の炭素数1〜10のアルキレン基、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、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、かつA4およびA5は、互いに離隔、または単結合、酸素原子、硫黄原子もしくは架橋基にて架橋される。
X1〜X16は、互いに独立して、窒素原子またはCR1であり、R1は、水素原子、重水素原子、置換もしくは無置換の炭素数1〜10のアルキル基、置換もしくは無置換の環形成炭素数6〜30のアリール基、置換もしくは無置換の環形成原子数5〜30のヘテロアリール基、または隣接する置換基と結合した縮合環基であり、
Lは、単結合、または置換もしくは無置換の環形成炭素数6〜30のアリーレン基であり、
Ar1およびAr2は、互いに独立して、置換もしくは無置換の環形成炭素数6〜30のアリール基、または置換もしくは無置換の環形成原子数5〜30のヘテロアリール基である。 - 前記構造Aは、下記一般式(3)で表される構造である、請求項1に記載のビカルバゾール化合物。
A1およびA2は、互いに独立して、単結合、置換もしくは無置換の炭素数1〜10のアルキレン基、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、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、ケイ素原子、酸素原子、または硫黄原子であり、かつA1およびA2のいずれか一方は単結合ではなく、
W1〜W11は、互いに独立して、窒素原子またはCR2であり、R2は、水素原子、重水素原子、置換もしくは無置換の炭素数1〜10のアルキル基、置換もしくは無置換の環形成炭素数6〜30のアリール基、または置換もしくは無置換の環形成原子数5〜30のヘテロアリール基、または隣接する置換基と結合した縮合環基であり、
W7〜W8は、互いに非結合、または単結合、酸素原子もしくは硫黄原子を介して結合する。 - 前記A1およびA2は、互いに独立して、単結合、置換もしくは無置換の炭素数1〜5のアルキレン基、ケイ素原子、酸素原子または硫黄原子であり、かつ前記A1およびA2のいずれか一方は単結合ではない、請求項1または2のいずれか一項に記載のビカルバゾール化合物。
- 前記W1〜W7、および前記W9〜W11は、CR2であり、R2は、互いに独立して、水素原子、置換もしくは無置換の環形成炭素数6〜15のアリール基、置換もしくは無置換の環形成原子数5〜15のヘテロアリール基、または隣接する置換基と結合した縮合環基であり、
前記W7〜W8は、CR3であり、R3は、互いに独立して、水素原子、置換もしくは無置換の環形成炭素数6〜15のアリール基、置換もしくは無置換の環形成原子数5〜15のヘテロアリール基、または前記W7〜W8を架橋する単結合、酸素原子もしくは硫黄原子である、請求項2または3に記載のビカルバゾール化合物。 - 前記X1〜X16は、CR1であり、R1は、互いに独立して、水素原子、置換もしくは無置換の環形成炭素数6〜30のアリール基、または置換もしくは無置換の環形成原子数5〜30のヘテロアリール基である、請求項1〜4のいずれか一項に記載のビカルバゾール化合物。
- 前記Lは、単結合であり、前記X3およびX11を結合する、請求項1〜5のいずれか一項に記載のビカルバゾール化合物。
- 前記構造Aは、前記W2、W5、またはW10の少なくともいずれかの位置にて、前記構造Bと結合する、請求項2〜6のいずれか一項に記載のビカルバゾール化合物。
- 前記構造Bは、前記Ar1、Ar2、X3、X6、X11、またはX14の少なくともいずれかの位置にて、前記構造Aと結合する、請求項1〜7のいずれか一項に記載のビカルバゾール化合物。
- 請求項1〜8のいずれか一項に記載のビカルバゾール化合物を含む有機エレクトロルミネッセンス素子用材料。
- 溶媒をさらに含む、請求項9に記載の有機エレクトロルミネッセンス素子用材料。
- 一対の電極と、
前記一対の電極の間に配置された、少なくとも1層以上の有機層と、
を備え、
前記有機層の少なくとも1層は、請求項1〜8のいずれか一項に記載のビカルバゾール化合物を含む、有機エレクトロルミネッセンス素子。 - 前記ビカルバゾール化合物を含む有機層は、三重項励起子からの発光が可能な発光材料をさらに含む、請求項11に記載の有機エレクトロルミネッセンス素子。
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