CN106033798A - 有机电致发光器件 - Google Patents
有机电致发光器件 Download PDFInfo
- Publication number
- CN106033798A CN106033798A CN201510102483.0A CN201510102483A CN106033798A CN 106033798 A CN106033798 A CN 106033798A CN 201510102483 A CN201510102483 A CN 201510102483A CN 106033798 A CN106033798 A CN 106033798A
- Authority
- CN
- China
- Prior art keywords
- alkyl
- unsubstituted
- layer
- phenyl
- fluorenyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000010410 layer Substances 0.000 claims abstract description 77
- 150000001875 compounds Chemical class 0.000 claims abstract description 37
- 239000012044 organic layer Substances 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000002347 injection Methods 0.000 claims abstract description 9
- 239000007924 injection Substances 0.000 claims abstract description 9
- -1 D-atom Chemical class 0.000 claims description 28
- 238000005401 electroluminescence Methods 0.000 claims description 25
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 23
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 claims description 21
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims description 20
- 125000001624 naphthyl group Chemical group 0.000 claims description 18
- 239000001257 hydrogen Substances 0.000 claims description 17
- 229910052739 hydrogen Inorganic materials 0.000 claims description 17
- 125000003118 aryl group Chemical group 0.000 claims description 11
- 150000002431 hydrogen Chemical class 0.000 claims description 10
- 230000027756 respiratory electron transport chain Effects 0.000 claims description 10
- QPUYECUOLPXSFR-UHFFFAOYSA-N 1-methylnaphthalene Chemical compound C1=CC=C2C(C)=CC=CC2=C1 QPUYECUOLPXSFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052736 halogen Inorganic materials 0.000 claims description 8
- 150000002367 halogens Chemical class 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Substances C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 6
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 6
- 238000010025 steaming Methods 0.000 claims description 6
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 5
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 238000006579 Tsuji-Trost allylation reaction Methods 0.000 claims description 4
- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthene Chemical compound C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 claims description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 4
- 125000003944 tolyl group Chemical group 0.000 claims description 4
- 239000003205 fragrance Substances 0.000 claims description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 238000004528 spin coating Methods 0.000 claims description 3
- VIJYEGDOKCKUOL-UHFFFAOYSA-N 9-phenylcarbazole Chemical compound C1=CC=CC=C1N1C2=CC=CC=C2C2=CC=CC=C21 VIJYEGDOKCKUOL-UHFFFAOYSA-N 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 125000003368 amide group Chemical group 0.000 claims 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 claims description 2
- 235000010290 biphenyl Nutrition 0.000 claims description 2
- 239000004305 biphenyl Substances 0.000 claims description 2
- 125000006267 biphenyl group Chemical group 0.000 claims description 2
- TXCDCPKCNAJMEE-UHFFFAOYSA-N dibenzofuran Chemical group C1=CC=C2C3=CC=CC=C3OC2=C1 TXCDCPKCNAJMEE-UHFFFAOYSA-N 0.000 claims description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000001072 heteroaryl group Chemical group 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 125000005561 phenanthryl group Chemical group 0.000 claims description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 2
- 125000001725 pyrenyl group Chemical group 0.000 claims description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 2
- 239000010409 thin film Substances 0.000 claims description 2
- IYYZUPMFVPLQIF-UHFFFAOYSA-N dibenzothiophene Chemical class C1=CC=C2C3=CC=CC=C3SC2=C1 IYYZUPMFVPLQIF-UHFFFAOYSA-N 0.000 claims 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 239000000463 material Substances 0.000 description 12
- 238000001914 filtration Methods 0.000 description 11
- 239000000047 product Substances 0.000 description 11
- 239000007787 solid Substances 0.000 description 11
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 10
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 239000000706 filtrate Substances 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000002585 base Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 238000000605 extraction Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 229910000027 potassium carbonate Inorganic materials 0.000 description 5
- 239000000376 reactant Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000005160 1H NMR spectroscopy Methods 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- 238000004128 high performance liquid chromatography Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 229940126214 compound 3 Drugs 0.000 description 3
- 239000011368 organic material Substances 0.000 description 3
- 150000003248 quinolines Chemical class 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000012265 solid product Substances 0.000 description 3
- 238000002061 vacuum sublimation Methods 0.000 description 3
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- 229910052792 caesium Inorganic materials 0.000 description 2
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012776 electronic material Substances 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 2
- DLEDOFVPSDKWEF-UHFFFAOYSA-N lithium butane Chemical compound [Li+].CCC[CH2-] DLEDOFVPSDKWEF-UHFFFAOYSA-N 0.000 description 2
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- MZRVEZGGRBJDDB-UHFFFAOYSA-N n-Butyllithium Substances [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- UHXOHPVVEHBKKT-UHFFFAOYSA-N 1-(2,2-diphenylethenyl)-4-[4-(2,2-diphenylethenyl)phenyl]benzene Chemical class C=1C=C(C=2C=CC(C=C(C=3C=CC=CC=3)C=3C=CC=CC=3)=CC=2)C=CC=1C=C(C=1C=CC=CC=1)C1=CC=CC=C1 UHXOHPVVEHBKKT-UHFFFAOYSA-N 0.000 description 1
- ZMLPKJYZRQZLDA-UHFFFAOYSA-N 1-(2-phenylethenyl)-4-[4-(2-phenylethenyl)phenyl]benzene Chemical group C=1C=CC=CC=1C=CC(C=C1)=CC=C1C(C=C1)=CC=C1C=CC1=CC=CC=C1 ZMLPKJYZRQZLDA-UHFFFAOYSA-N 0.000 description 1
- AIACLXROWHONEE-UHFFFAOYSA-N 2,3-dimethylcyclohexa-2,5-diene-1,4-dione Chemical compound CC1=C(C)C(=O)C=CC1=O AIACLXROWHONEE-UHFFFAOYSA-N 0.000 description 1
- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-UHFFFAOYSA-N 0.000 description 1
- IXHWGNYCZPISET-UHFFFAOYSA-N 2-[4-(dicyanomethylidene)-2,3,5,6-tetrafluorocyclohexa-2,5-dien-1-ylidene]propanedinitrile Chemical compound FC1=C(F)C(=C(C#N)C#N)C(F)=C(F)C1=C(C#N)C#N IXHWGNYCZPISET-UHFFFAOYSA-N 0.000 description 1
- DMEVMYSQZPJFOK-UHFFFAOYSA-N 3,4,5,6,9,10-hexazatetracyclo[12.4.0.02,7.08,13]octadeca-1(18),2(7),3,5,8(13),9,11,14,16-nonaene Chemical group N1=NN=C2C3=CC=CC=C3C3=CC=NN=C3C2=N1 DMEVMYSQZPJFOK-UHFFFAOYSA-N 0.000 description 1
- BWCDLEQTELFBAW-UHFFFAOYSA-N 3h-dioxazole Chemical compound N1OOC=C1 BWCDLEQTELFBAW-UHFFFAOYSA-N 0.000 description 1
- BWGRDBSNKQABCB-UHFFFAOYSA-N 4,4-difluoro-N-[3-[3-(3-methyl-5-propan-2-yl-1,2,4-triazol-4-yl)-8-azabicyclo[3.2.1]octan-8-yl]-1-thiophen-2-ylpropyl]cyclohexane-1-carboxamide Chemical compound CC(C)C1=NN=C(C)N1C1CC2CCC(C1)N2CCC(NC(=O)C1CCC(F)(F)CC1)C1=CC=CS1 BWGRDBSNKQABCB-UHFFFAOYSA-N 0.000 description 1
- DHDHJYNTEFLIHY-UHFFFAOYSA-N 4,7-diphenyl-1,10-phenanthroline Chemical compound C1=CC=CC=C1C1=CC=NC2=C1C=CC1=C(C=3C=CC=CC=3)C=CN=C21 DHDHJYNTEFLIHY-UHFFFAOYSA-N 0.000 description 1
- 239000005725 8-Hydroxyquinoline Substances 0.000 description 1
- 241001132374 Asta Species 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- HFZHSMWEVSEZBG-UHFFFAOYSA-N CC1(C)c(cc(cc2)-c(c3c4cccc3)c(cccc3)c3c4-c(nc3)ccc3-c3cc(-c4ccccn4)cc(-c4ccccn4)c3)c2-c2ccccc12 Chemical compound CC1(C)c(cc(cc2)-c(c3c4cccc3)c(cccc3)c3c4-c(nc3)ccc3-c3cc(-c4ccccn4)cc(-c4ccccn4)c3)c2-c2ccccc12 HFZHSMWEVSEZBG-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 208000035126 Facies Diseases 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- HHRFWSALGNYPHA-UHFFFAOYSA-N [N].C1CNCCN1 Chemical class [N].C1CNCCN1 HHRFWSALGNYPHA-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001339 alkali metal compounds Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229940111121 antirheumatic drug quinolines Drugs 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 125000004196 benzothienyl group Chemical group S1C(=CC2=C1C=CC=C2)* 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- TZLXXXUKWHHWLU-UHFFFAOYSA-N c1ccc(C2(c(cc(cc3)-c(c4c5cccc4)c(cccc4)c4c5-c(nc4)ccc4-c4cc(-c5ccccn5)cc(-c5ncccc5)c4)c3-c3ccccc23)c2ccccc2)cc1 Chemical compound c1ccc(C2(c(cc(cc3)-c(c4c5cccc4)c(cccc4)c4c5-c(nc4)ccc4-c4cc(-c5ccccn5)cc(-c5ncccc5)c4)c3-c3ccccc23)c2ccccc2)cc1 TZLXXXUKWHHWLU-UHFFFAOYSA-N 0.000 description 1
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 1
- 229910000024 caesium carbonate Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229940125904 compound 1 Drugs 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- DKHNGUNXLDCATP-UHFFFAOYSA-N dipyrazino[2,3-f:2',3'-h]quinoxaline-2,3,6,7,10,11-hexacarbonitrile Chemical compound C12=NC(C#N)=C(C#N)N=C2C2=NC(C#N)=C(C#N)N=C2C2=C1N=C(C#N)C(C#N)=N2 DKHNGUNXLDCATP-UHFFFAOYSA-N 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000003810 ethyl acetate extraction Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000005525 hole transport Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- IDBFBDSKYCUNPW-UHFFFAOYSA-N lithium nitride Chemical compound [Li]N([Li])[Li] IDBFBDSKYCUNPW-UHFFFAOYSA-N 0.000 description 1
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 description 1
- 229910001947 lithium oxide Inorganic materials 0.000 description 1
- SKEDXQSRJSUMRP-UHFFFAOYSA-N lithium;quinolin-8-ol Chemical compound [Li].C1=CN=C2C(O)=CC=CC2=C1 SKEDXQSRJSUMRP-UHFFFAOYSA-N 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- GVOISEJVFFIGQE-YCZSINBZSA-N n-[(1r,2s,5r)-5-[methyl(propan-2-yl)amino]-2-[(3s)-2-oxo-3-[[6-(trifluoromethyl)quinazolin-4-yl]amino]pyrrolidin-1-yl]cyclohexyl]acetamide Chemical compound CC(=O)N[C@@H]1C[C@H](N(C)C(C)C)CC[C@@H]1N1C(=O)[C@@H](NC=2C3=CC(=CC=C3N=CN=2)C(F)(F)F)CC1 GVOISEJVFFIGQE-YCZSINBZSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229960003540 oxyquinoline Drugs 0.000 description 1
- GPRIERYVMZVKTC-UHFFFAOYSA-N p-quaterphenyl Chemical group C1=CC=CC=C1C1=CC=C(C=2C=CC(=CC=2)C=2C=CC=CC=2)C=C1 GPRIERYVMZVKTC-UHFFFAOYSA-N 0.000 description 1
- 150000002988 phenazines Chemical class 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 229920003227 poly(N-vinyl carbazole) Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 238000002411 thermogravimetry Methods 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
Classifications
-
- 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
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Abstract
本发明涉及一种有机电致发光器件,包含阳极,阴极,和有机层,所述有机层为空穴注入层、空穴传输层、电子注入层、电子传输层、发光层中至少包括发光层在内的一层或多层;所述发光层由具有式(I)所述结构的单一化合物组成,该有机电致发光器件发蓝光,具有电致发光效率良好和色纯度优异以及寿命长的优点。
Description
技术领域
本发明涉及新型的有机电子材料制备的有机电致非掺杂蓝光发光器件,属于有机电致发光器件显示技术领域。
背景技术
有机电致发光器件作为一种新型的显示技术,具有自发光、宽视角、低能耗、效率高、薄、色彩丰富、响应速度快、适用温度范围广、低驱动电压、可制作柔性可弯曲与透明的显示面板以及环境友好等独特优点,因此,有机电致发光器件技术可以应用在平板显示器和新一代照明上,也可以作为LCD的背光源。
有机电子发光器件为在两个金属电极之间通过旋涂或者沉积一层有机材料而制备的器件,一个经典的三层有机电致发光器件包含空穴传输层,发光层和电子传输层。由阳极产生的空穴经空穴传输层跟由阴极产生的电子经电子传输层结合在发光层形成激子,而后发光。有机电致发光器件可以通过改变发光层的材料来发射红光,绿光和蓝光。因而,稳定的,高效的和色彩纯的有机电致发光材料对有机电致发光器件的应用和推广具有重要作用,同时也是OLEDs大面积面板显示的应用推广的迫切需求。
在三原色(红,蓝,绿)当中,红光和绿光材料最近已经取得了很大的发展,也符合面板的市场需求。对于蓝光材料,也有一系列的商品化的材料,其中早期用得比较多的为出光兴产(Idemitsu Kosan Co.,Ltd)的二苯乙烯基联苯(DPVBi)类化合物,以这类化合物制备的器件具有较高的效率,但是往往这些材料的稳定性比较差,更有甚地,这类化合物的发光颜色属于天蓝光,往往CIE值中的y>0.15。所以由于其不好的温度性和不纯的颜色很大程度地限制了这类化合物在全彩显示器件中的应用。另外一类蓝光材料为柯达公司的ADN和四叔丁基苝,但是这些化合物的发光效率比较差,而且稳定性也不好,从而无法大量使用。
发明内容
针对上述器件的缺陷,本发明提供一种电致发光效率良好和色纯度优异以及寿命长的有机电致非掺杂蓝光发光器件。
一种有机电致发光器件,包含阳极,阴极,和有机层,所述有机层为空穴注入层、空穴传输层、电子注入层、电子传输层、发光层中至少包括发光层在内的一层或多层;所述发光层由具有式(I)所述结构的单一化合物组成,
其中,R1-R17独立地表示为氢,氘原子,卤素,氰基,硝基,C1-C8烷基、C1-C8烷氧基,C6-C30的取代或者未取代的芳基,C3-C30的取代或者未取代的含有一个或者多个的杂原子芳基,C2-C8取代或者未取代的烯烷基,C2-C8取代或者未取代的炔烷基,其中,Ar1-Ar3独立地表示C6-C60取代或者未取代的芳基,C3-C60的取代或者未取代的带有一个或者多个杂原子的杂芳基,三芳香(C6-C30)胺基。
优选:其中,R1-R17独立地表示为氢,卤素,氰基,硝基,C1-C8烷基、C1-C8烷氧基,C2-C8取代或者未取代的烯烷基,C2-C8取代或者未取代的炔烷基,C1-C4烷基取代或未取代的苯基,C1-C4烷基取代或未取代的萘基,或结合成C1-C4烷基取代或未取代的芴基;Ar1-Ar3独立地表示C1-C4烷基或者C6-C30芳基取代的苯基,C1-C4烷基或者C6-C30芳基取代的萘基,苯基,萘基,吡啶基,N-C6-C30的芳基或者C1-C4的烷基取代的咔唑基,二苯并噻吩基,二苯并呋喃基,蒽基,菲基,芘基,苝基,荧蒽基,(9,9-二烷基)芴基,(9,9-二烷基取代或未取代芳基)芴基,9,9-螺芴基。
优选:其中,R1-R2可以独立地优选表示为氢,卤素,C1-C4的烷基,C1-C4烷基取代或未取代的苯基,C1-C4烷基取代或未取代的萘基,或结合成C1-C4烷基取代或未取代的芴基;其中,R3-R17可以独立地优选表示为氢,卤素,C1-C4的烷基,C1-C4烷基取代或未取代的苯基,C1-C4烷基取代或未取代的萘基,优选Ar1-Ar3为独立地表示苯基,甲苯基,二甲苯基,叔丁基苯基,萘基,吡啶基,甲基萘,联苯基,二苯基苯基,萘基苯基,二苯基联苯基,二芳香胺基苯基,N-苯基咔唑基,(9,9-二烷基)芴基,(9,9-二烷基取代或未取代苯基)芴基,9,9-螺芴基。
优选:其中,R3-R17优选为氢,R1,R2可以独立优选表示为氢,甲基,乙基,丙基,异丙基,叔丁基,苯基,联苯基,萘基,或结合成芴基;Ar1-Ar3为独立地表示苯基,吡啶基,甲苯基,二甲苯基,萘基,甲基萘,联苯基,二苯基苯基,萘基苯基,二苯基联苯基,(9,9-二烷基)芴基,(9,9-二甲基取代或未取代苯基)芴基,9,9-螺芴基。
优选:R3-R17优选为氢;R1,R2为独立地表示氢,甲基,或结合成芴基;Ar1,Ar2,Ar3为独立地表示苯基,萘基。
优选:式(I)所的化合物为下列结构化合物
所述有机层为空穴注入层,空穴传输层,发光层,电子注入层、电子传输层中的一层或多层。需要特别指出,上述有机层可以根据需要,这些有机层不必每层都存在,但至少有发光层。
所述空穴传输层,电子传输层和/或发光层中含有式(I)所述的化合物。
所述式(I)所述的化合物位于发光层。
本发明的有机电致发光器件包含有一层发光层,该发光层的发光区域在440-490nm。所述发光层为无掺杂体系。
本发明的电子器件有机层的总厚度为1-1000nm,优选1-500nm,更优选50-300nm。
所述有机层可以通过蒸渡或旋涂形成薄膜。
如上面提到的,本发明的式(I)所述的化合物如下,但不限于所列举的结构:
本发明中的空穴传输层和空穴注入层,所需材料具有很好的空穴传输性能,能够有效地把空穴从阳极传输到有机发光层上。除本发明的化合物外,还可以包括小分子和高分子有机材料,可以包含如下,但是不限于这些,三芳香胺化合物,联苯二胺化合物,噻唑化合物,恶唑化合物,咪唑类化合物,芴类化合物,酞菁类化合物,六氰基六杂三苯(hexanitrilehexaazatriphenylene),2,3,5,6-四氟-7,7',8,8'-四氰二甲基对苯醌(F4-TCNQ),聚乙烯基咔唑,聚噻吩,聚乙烯,聚苯磺酸。
本发明的有机电致发光层,采用本发明的结构式(I)化合物,不掺与其它材料。
本发明的有机电子器件使用的有机电子传输材料要求具有很好的电子传输性能,能够有效地把电子从阴极传输到发光层中,除本发明的化合物外,还可以选择如下化合物,但是不限于此,氧杂恶唑,噻唑类化合物,三氮唑类化合物,三氮嗪类化合物,三氮杂苯类化合物,喔啉类化合物,二氮蒽类化合物,含硅杂环类化合物,喹啉类化合物,菲啰啉类化合物,金属螯合物,氟取代苯类化合物。
本发明的有机电子器件根据需要,可以加入一层电子注入层,该电子注入层可以有效的把电子从阴极注入到有机层中,除本发明的化合物外,主要选自碱金属或者碱金属的化合物,或选自碱土金属或者碱土金属的化合物,可以选择如下化合物,但是不限于此,锂,氟化锂,氧化锂,氮化锂,8-羟基喹啉锂,铯,碳酸铯,8-羟基喹啉铯,钙,氟化钙,氧化钙,镁,氟化镁,碳酸镁,氧化镁。
器件实验表明,本发明的有机电致发光器件具有电致发光效率良好和色纯度优异以及寿命长的优点。
附图说明
图1为本发明的器件结构图,
其中10代表为玻璃基板,20代表为阳极,30代表为空穴注入层,40代表为空穴传输层,50代表为发光层,60代表为电子传输层,70代表为电子注入层,80代表为阴极。
图2为化合物89的1H NMR图。
图3为化合物89的13C NMR图。
图4为化合物89的HPLC图。
图5为化合物89的TGA图。
图6为实施例4,实施例5及比较例1的电压–电流密度曲线图
图7为实施例4,实施例5及比较例1的亮度–CIEy坐标图
图8为实施例4,实施例5及比较例1的电致发光光谱
图9为实施例4,实施例5及比较例1的电流密度–电流效率曲线图
具体实施方式
为了更详细叙述本发明,特举以下例子,但是不限于此。
(其中下面的化合物1a、1b、1e、1h,3a、89a为市售的常用材料)
实施例1
中间体1c的合成
向反应烧瓶中加入1a(240.00g,0.88mol),1b(496.32g,1.76mol),Pd(PPh3)4(20.35g,17.60mmol),碳酸钾(302.52g,2.20mol),甲苯(2400mL),纯水(1200mL)。抽放氮气三次后开启加热,待反应液温度达到95-105℃,保持此温度反应8-12h,取样TLC及HPLC,原料反应完全。停止加热,降温至20-30℃,抽滤,滤液分出有机层,水层再用乙酸乙酯萃取,合并有机层,再用水洗,无水硫酸镁干燥,抽滤,滤液浓缩得到暗黄色固体粗产品。石油醚重结晶,得到灰白色固体产品,收率90%,纯度95%。
中间体1d的合成
向反应烧瓶中加入相应比例的1c(302g,0.78mol),B(OEt)3(142g,0.97mol),n-BuLi/THF(1.6M,600mL),无水THF(3000mL),抽放氮气三次后冷却降温至反应液温度至-75~-65℃,缓慢滴加n-BuLi/THF溶液,控制反应液温度在-75~-65℃,滴加完毕后,继续保持此温度反应0.5-1h。后将一定量的B(OEt)3滴加进去,控制反应液温度在-75~-65℃,滴加完毕后,继续保持此温度反应0.5-1h,后反应液移至室温自然升温反应4-6h,然后加入2M稀盐酸,调节PH值至2-3,搅拌约1h,停止反应。加入乙酸乙酯萃取,水层再用EA萃取,合并有机层,无水硫酸镁干燥,抽滤,滤液浓缩得到灰白色固体产品,纯度95%,收率62.5%。
中间体1f的合成
向反应烧瓶中加入1d(150g,0.43mol),1e(500g,0.86mol),Pd(PPh3)4(5.0g,0.44mmol),碳酸钾(130g,0.92mol),甲苯(1000mL),纯水(500mL),抽放氮气三次开启加热,待反应液温度达到95-105℃,保持此温度反应8-12h,取样TLC及HPLC,原料反应完全。停止加热,降温至20-30℃,抽滤,滤液分出有机层,水层再用乙酸乙酯萃取,合并有机层,无水硫酸镁干燥,抽滤,滤液浓缩得到暗黄色固体粗产品,纯度80%,收率78.1%。
中间体1g的合成
向反应烧瓶中加入1f(210g,0.42mol),NBS(135g,0.71mol),DMF(5L)。抽放氮气三次开启加热,待反应液温度达到60-65℃,保持此温度反应6-8h,取样TLC及HPLC,原料反应完全。停止加热,降温至20-30℃,反应液倒入冰水中,析出暗黄色固体,抽滤得到黄色固体,烘干得到1g粗产品。粗产品加入DCM/MeOH至溶液稍微变混浊,继续搅拌约30min,析出大量固体,抽滤,得到浅黄色固体产品,收率约54.05%,纯度98.5%
1H NMR(300MHz,CDCl3)δ8.64(d,J=8.8Hz,2H),7.99–7.90(m,4H),7.87(t,J=1.6Hz,1H),7.78(dd,J=9.3,2.3Hz,6H),7.61(ddd,J=8.8,6.5,1.1Hz,2H),7.56–7.48(m,6H),7.46–7.38(m,4H).
13C NMR(76MHz,CDCl3)δ142.67(s),142.03(s),141.26(s),140.69(s),137.83(s),137.52(s),131.87(s),131.24(s),130.44(s),129.09(s),128.80(s),128.38–127.40(m),127.18(s),126.05–125.21(m),123.08(s),77.74(s),77.31(s),76.89(s),30.10(s).
化合物1的合成
向500ml三口烧瓶中依次加入1g(9.5g,16.92mmol),1h(6.41g,30.51mmol),Pd(PPh3)4(1.5g,1.3mmol),碳酸钾(5.84g,42.3mmol),甲苯(150mL),纯水(75mL)。抽放氮气三次后105℃下反应。由液相检测停反应时间,约12h左右。反应开始时反应液为催化剂的土黄色,之后慢慢变成黄色溶液,停反应后上层为清亮浅黄色,下层为水。停止反应后,过滤,用乙酸乙酯洗滤渣直至滤渣中无产物,收集滤液,旋干,大量的灰白色固体析出,收集滤渣干燥,得到目标产物,纯度98%。真空升华得到纯度为99.5%灰白色固体粉末。
1H-NMR(300MHz,CDCl3)δ8.10–8.21(d,2H),7.96–7.98(dd,3H),7.87–7.89(m,2H),7.81–7.86(m,4H),7.78–7.81(d,4H),7.62–7.65(m,2H),7.59(s,1H),7.51–7.57(m,5H),7.45–7.48(m,2H),7.36–7.43(m,7H),3.88(s,2H).
实施例2
化合物3的合成
向500ml三口烧瓶中依次加入1g(9.5g,16.92mmol),3a(7.25g,30.46mmol),Pd(PPh3)4(1.5g,1.3mmol),碳酸钾(5.84g,42.3mmol),甲苯(150mL),纯水(75mL)。抽放氮气三次后105℃下反应。由液相检测停反应时间,约12h左右。反应开始时反应液为催化剂的土黄色,之后慢慢变成黄色溶液,停反应后上层为清亮浅黄色,下层为水。停止反应后,过滤,用乙酸乙酯洗滤渣直至滤渣中无产物,收集滤液,旋干,大量的灰白色固体析出,收集滤渣干燥,得到目标产物,纯度98%。真空升华得到纯度为99.7%灰白色固体粉末。
1H-NMR(300MHz,CDCl3)δ8.1–8.2(d,2H),7.96–7.99(dd,3H),7.88–7.89(m,2H),7.81–7.86(m,4H),7.78–7.81(d,4H),7.61–7.65(m,2H),7.59(s,1H),7.51–7.56(m,5H),7.46–7.48(m,2H),7.35–7.43(m,7H),1.61(s,6H).
实施例3
化合物89的合成
向反应容器中依次加入1g(10.0g,17.8mmol),89a(7.1g,19.6mmol),Pd(PPh3)4(432.2mg,0.35mmol),K2CO3(6.14g,44.5mmol),甲苯(300mL)和水(150mL),对装置进行除氧、通入氮气保护,然后加热到100℃反应过夜。用DCM:PE=1:5的比例点板,产物点在365nm波长的紫外灯下发强烈的蓝光,Rf值在0.2左右。将反应液用硅胶抽滤,然后将滤饼用乙酸乙酯(100mL)洗涤两次,分液,用乙酸乙酯(100mL)萃取水层一次,合并有机层,再用水(200mL)洗涤一次有机相。旋干除去溶剂。粗品用120ml DCM/MeOH重结晶,抽滤得到黄色固体粉末13.1g,纯度为98.7%,收率92.2%。真空升华得到纯度为99.7%浅黄色固体粉末。m/z=797.
从图2和图3可见化合物89的氢谱,碳谱与结构完全一致。从图4化合物89的高效液相色谱图可见根据本发明的合成方法制备的产物具有高纯度。从图5化合物89的热重分析图可见这类型化合物的分解温度高于摄氏400度,表明其非常高热稳定性。
实施例4
有机电致发光器件1的制备
使用本发明的有机电子材料制备OLED
首先,将透明导电ITO玻璃基板10(上面带有阳极20)依次经:洗涤剂溶液和去离子水,乙醇,丙酮,去离子水洗净,再用氧等离子处理30秒。
然后,在ITO上蒸渡10nm厚的HAT-CN6作为空穴注入层30。
然后,蒸渡NPB,形成30nm厚的空穴传输层40。
然后,在空穴传输层上蒸渡30nm厚的化合物3作为发光层50。
然后,在发光层上蒸渡15nm厚的TPBi作为电子传输层60。
最后,蒸渡15nm BPhen:Li为电子注入层70和150nm Al作为器件阴极80。
所制备的器件在20mA/cm2的工作电流密度下的电压为3.58V,电流效率达到3.21cd/A,在1000cd/m2亮度下CIEy坐标为0.0853,发射蓝光。
器件中所述结构式
实施例5
有机电致发光器件2的制备
方法同实施例4,将化合物3,换成化合物89,制作有机电致发光器件。
所制备的器件在20mA/cm2的工作电流密度下的电压为3.84V,电流效率达到2.83cd/A,在1000cd/m2亮度下CIEy坐标为0.0888,发射蓝光。
比较例1
方法同实施例4,将化合物3替换成下列化合物TAT,制作对比用有机电致发光器件。
TAT结构式
所制备的器件在20mA/cm2的工作电流密度下的电压为4.00V,电流效率达到2.46cd/A,在1000cd/m2亮度下CIEy坐标为0.0952,发射蓝光。
实施例4和5是本发明材料的具体应用,所制备的器件,本发明发射蓝光,效率和亮度都高于对比例。如上所述,本发明的材料具有高的稳定性,本发明制备的有机电致发光器件具有高的效率和光纯度。
Claims (10)
1.一种有机电致发光器件,包含阳极,阴极,和有机层,所述有机层为空穴注入层、空穴传输层、电子注入层、电子传输层、发光层中至少包括发光层在内的一层或多层;所述发光层由具有式(I)所述结构的单一化合物组成,
其中,R1-R17独立地表示为氢,氘原子,卤素,氰基,硝基,C1-C8烷基、C1-C8烷氧基,C6-C30的取代或者未取代的芳基,C3-C30的取代或者未取代的含有一个或者多个的杂原子芳基,C2-C8取代或者未取代的烯烷基,C2-C8取代或者未取代的炔烷基,其中,Ar1-Ar3独立地表示C6-C60取代或者未取代的芳基,C3-C60的取代或者未取代的带有一个或者多个杂原子的杂芳基,三芳香(C6-C30)胺基。
2.根据权利要求1所述的有机有机电致发光器件,其中,R1-R17独立地表示为氢,卤素,氰基,硝基,C1-C8烷基、C1-C8烷氧基,C2-C8取代或者未取代的烯烷基,C2-C8取代或者未取代的炔烷基,C1-C4烷基取代或未取代的苯基,C1-C4烷基取代或未取代的萘基,或结合成C1-C4烷基取代或未取代的芴基;Ar1-Ar3独立地表示C1-C4烷基或者C6-C30芳基取代的苯基,C1-C4烷基或者C6-C30芳基取代的萘基,苯基,萘基,吡啶基,N-C6-C30的芳基或者C1-C4的烷基取代的咔唑基,二苯并噻吩基,二苯并呋喃基,蒽基,菲基,芘基,苝基,荧蒽基,(9,9-二烷基)芴基,(9,9-二烷基取代或未取代芳基)芴基,9,9-螺芴基。
3.根根据权利要求2所述的有机电致发光器件,其中,R1-R2可以独立地优选表示为氢,卤素,C1-C4的烷基,C1-C4烷基取代或未取代的苯基,C1-C4烷基取代或未取代的萘基,或结合成C1-C4烷基取代或未取代的芴基;其中,R3-R17可以独立地优选表示为氢,卤素,C1-C4的烷基,C1-C4烷基取代或未取代的苯基,C1-C4烷基取代或未取代的萘基,Ar1-Ar3为独立地表示苯基,甲苯基,叔丁基苯基,萘基,吡啶基,甲基萘,联苯基,二苯基苯基,萘基苯基,二苯基联苯基,二芳香胺基苯基,N-苯基咔唑基,(9,9-二烷基)芴基,(9,9-二烷基取代或未取代苯基)芴基,9,9-螺芴基。
4.根据权利要求3所述的有机电致发光器件,其中,R3-R17优选为氢,R1,R2可以独立优选表示为氢,甲基,乙基,丙基,异丙基,叔丁基,苯基,萘基,或结合成芴基;Ar1-Ar3为独立地表示苯基,吡啶基,甲苯基,萘基,甲基萘,联苯基,二苯基苯基,萘基苯基,二苯基联苯基,(9,9-二烷基)芴基,(9,9-二甲基取代或未取代苯基)芴基,9,9-螺芴基。
5.根据权利要求4所述的有机电致发光器件,R3-R17优选为氢;R1,R2为独立地表示氢,甲基,或结合成芴基;Ar1,Ar2,Ar3为独立地表示苯基,萘基。
6.根据权利要求1所述的有机电致发光器件,其式(I)所述的化合物为:
7.根据权利要求6所述的有机电致发光器件,为下列结构化合物
8.根据权利要求1-7任一所述的有机电致发光器件,所述式(I)所述结构的化合物还位于空穴注入层、空穴传输层、电子传输层和/或电子注入层中。
9.根据权利要求8所述的有机电致发光器件,所述式(I)所述结构的化合物还位于空穴传输层和电子传输层。
10.根据权利要求1所述的,所述有机层可以通过蒸渡或旋涂形成薄膜。
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