CN115417845A - 有机化合物、有机光电器件、其应用及显示或照明装置 - Google Patents
有机化合物、有机光电器件、其应用及显示或照明装置 Download PDFInfo
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- CN115417845A CN115417845A CN202211381369.2A CN202211381369A CN115417845A CN 115417845 A CN115417845 A CN 115417845A CN 202211381369 A CN202211381369 A CN 202211381369A CN 115417845 A CN115417845 A CN 115417845A
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- 150000002894 organic compounds Chemical class 0.000 title claims abstract description 25
- 125000003118 aryl group Chemical group 0.000 claims abstract description 20
- 125000001072 heteroaryl group Chemical group 0.000 claims abstract description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 7
- 239000001257 hydrogen Substances 0.000 claims abstract description 7
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims abstract description 7
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 5
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 5
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 96
- 239000002346 layers by function Substances 0.000 claims description 24
- 238000002347 injection Methods 0.000 claims description 20
- 239000007924 injection Substances 0.000 claims description 20
- 230000005525 hole transport Effects 0.000 claims description 15
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims description 12
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000005693 optoelectronics Effects 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 108091008695 photoreceptors Proteins 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 description 61
- 230000000052 comparative effect Effects 0.000 description 32
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 18
- 238000004895 liquid chromatography mass spectrometry Methods 0.000 description 17
- 229940125904 compound 1 Drugs 0.000 description 14
- 238000002360 preparation method Methods 0.000 description 13
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 12
- 238000001308 synthesis method Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- 239000002019 doping agent Substances 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- SRKGZXIJDGWVAI-GVAVTCRGSA-M (e,3r)-7-[6-tert-butyl-4-(4-fluorophenyl)-2-propan-2-ylpyridin-3-yl]-3,5-dihydroxyhept-6-enoate Chemical compound CC(C)C1=NC(C(C)(C)C)=CC(C=2C=CC(F)=CC=2)=C1\C=C\C(O)C[C@@H](O)CC([O-])=O SRKGZXIJDGWVAI-GVAVTCRGSA-M 0.000 description 4
- WYFCZWSWFGJODV-MIANJLSGSA-N 4-[[(1s)-2-[(e)-3-[3-chloro-2-fluoro-6-(tetrazol-1-yl)phenyl]prop-2-enoyl]-5-(4-methyl-2-oxopiperazin-1-yl)-3,4-dihydro-1h-isoquinoline-1-carbonyl]amino]benzoic acid Chemical compound O=C1CN(C)CCN1C1=CC=CC2=C1CCN(C(=O)\C=C\C=1C(=CC=C(Cl)C=1F)N1N=NN=C1)[C@@H]2C(=O)NC1=CC=C(C(O)=O)C=C1 WYFCZWSWFGJODV-MIANJLSGSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- JQUCWIWWWKZNCS-LESHARBVSA-N C(C1=CC=CC=C1)(=O)NC=1SC[C@H]2[C@@](N1)(CO[C@H](C2)C)C=2SC=C(N2)NC(=O)C2=NC=C(C=C2)OC(F)F Chemical compound C(C1=CC=CC=C1)(=O)NC=1SC[C@H]2[C@@](N1)(CO[C@H](C2)C)C=2SC=C(N2)NC(=O)C2=NC=C(C=C2)OC(F)F JQUCWIWWWKZNCS-LESHARBVSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 description 4
- 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 4
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 239000000758 substrate Substances 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
- LZMHWZHOZLVYDL-UHFFFAOYSA-N 1H-[1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one Chemical compound C1=CC=C2N3C(=O)ON=C3C=NC2=C1 LZMHWZHOZLVYDL-UHFFFAOYSA-N 0.000 description 2
- JQYNLODZQDADHW-UHFFFAOYSA-N 2-methyl-1-nitro-4-phenylbenzene Chemical group C1=C([N+]([O-])=O)C(C)=CC(C=2C=CC=CC=2)=C1 JQYNLODZQDADHW-UHFFFAOYSA-N 0.000 description 2
- NSMZCUAVEOTJDS-UHFFFAOYSA-N 4-chloro-2-methyl-1-nitrobenzene Chemical compound CC1=CC(Cl)=CC=C1[N+]([O-])=O NSMZCUAVEOTJDS-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GZUXJHMPEANEGY-UHFFFAOYSA-N bromomethane Chemical compound BrC GZUXJHMPEANEGY-UHFFFAOYSA-N 0.000 description 2
- 238000004440 column chromatography Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- -1 ethylphenyl Chemical group 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- HXITXNWTGFUOAU-UHFFFAOYSA-N phenylboronic acid Chemical compound OB(O)C1=CC=CC=C1 HXITXNWTGFUOAU-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- XYXSPXSTVLIYNL-UHFFFAOYSA-N 1-bromo-2-methyl-4-phenylbenzene Chemical group C1=C(Br)C(C)=CC(C=2C=CC=CC=2)=C1 XYXSPXSTVLIYNL-UHFFFAOYSA-N 0.000 description 1
- VFMAPIFSXMBTQP-UHFFFAOYSA-N 2-bromo-4-chloro-1-nitrobenzene Chemical compound [O-][N+](=O)C1=CC=C(Cl)C=C1Br VFMAPIFSXMBTQP-UHFFFAOYSA-N 0.000 description 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 1
- IMNRJGSQCGFPHL-UHFFFAOYSA-N benzene;oxolane Chemical compound C1CCOC1.C1=CC=CC=C1 IMNRJGSQCGFPHL-UHFFFAOYSA-N 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 125000004988 dibenzothienyl group Chemical group C1(=CC=CC=2SC3=C(C21)C=CC=C3)* 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004770 highest occupied molecular orbital Methods 0.000 description 1
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004768 lowest unoccupied molecular orbital Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229940102396 methyl bromide Drugs 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- AICOOMRHRUFYCM-ZRRPKQBOSA-N oxazine, 1 Chemical group C([C@@H]1[C@H](C(C[C@]2(C)[C@@H]([C@H](C)N(C)C)[C@H](O)C[C@]21C)=O)CC1=CC2)C[C@H]1[C@@]1(C)[C@H]2N=C(C(C)C)OC1 AICOOMRHRUFYCM-ZRRPKQBOSA-N 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
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- 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
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C211/57—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton
- C07C211/61—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings being part of condensed ring systems of the carbon skeleton with at least one of the condensed ring systems formed by three or more rings
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- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/56—Ring systems containing three or more rings
- C07D209/80—[b, c]- or [b, d]-condensed
- C07D209/82—Carbazoles; Hydrogenated carbazoles
- C07D209/86—Carbazoles; Hydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
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- C07D209/56—Ring systems containing three or more rings
- C07D209/80—[b, c]- or [b, d]-condensed
- C07D209/82—Carbazoles; Hydrogenated carbazoles
- C07D209/88—Carbazoles; Hydrogenated carbazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
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- C07D265/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms
- C07D265/28—1,4-Oxazines; Hydrogenated 1,4-oxazines
- C07D265/34—1,4-Oxazines; Hydrogenated 1,4-oxazines condensed with carbocyclic rings
- C07D265/38—[b, e]-condensed with two six-membered rings
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- C07D279/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one sulfur atom as the only ring hetero atoms
- C07D279/10—1,4-Thiazines; Hydrogenated 1,4-thiazines
- C07D279/14—1,4-Thiazines; Hydrogenated 1,4-thiazines condensed with carbocyclic rings or ring systems
- C07D279/18—[b, e]-condensed with two six-membered rings
- C07D279/22—[b, e]-condensed with two six-membered rings with carbon atoms directly attached to the ring nitrogen atom
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- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
- C07D333/76—Dibenzothiophenes
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- C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
- C07D409/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
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- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/0803—Compounds with Si-C or Si-Si linkages
- C07F7/081—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te
- C07F7/0812—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te comprising a heterocyclic ring
- C07F7/0816—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te comprising a heterocyclic ring said ring comprising Si as a ring atom
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
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- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
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- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
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- C07C2603/00—Systems containing at least three condensed rings
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- C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
- C07C2603/06—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members
- C07C2603/10—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings
- C07C2603/12—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings only one five-membered ring
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- C09K2211/1029—Heterocyclic compounds characterised by ligands containing one nitrogen atom as the heteroatom
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Abstract
Description
技术领域
本发明涉及一种有机化合物,具体涉及一种有机化合物、有机光电器件、其应用及显示或照明装置,属于有机光电材料技术领域。
背景技术
有机电致发光显示器件(OLED)是主动发光显示装置,其具有自发光、颜色鲜艳亮丽、 厚度薄、质量轻、响应速度快、视角广、驱动电压低、耐受苛刻自然条件、可做成柔性面板等特点。目前,中小尺寸的OLED显示屏已经得到了大规模的应用,在低工作电压条件下获得器件的最佳发光效率是OLED领域的普遍需求。
有机电致发光器件通常具有如下结构:阳极、阴极以及介于两者之间的有机材料层。为了提高有机EL元件的效率和稳定性,有机材料层包括具有不同材料的多层,例如空穴注入层(HIL)、空穴传输层(HTL)、发光补助层、电子阻挡层、发光层、空穴阻挡层、电子传输层(ETL)和电子注入层(EIL)。其中,该发光补助层设置在空穴传输层和发光层之间,能够起到减少空穴传输层与发光层之间的势垒,降低有机电致发光器件的驱动电压的作用,进一步增加空穴的利用率,从而改善器件的发光效率和寿命,降低驱动电压。但是,现有能够形成发光补助层的功能材料较少,特别是,发光补助层材料在蒸镀成器件中的形态是非晶无序薄膜,蒸镀而成的薄膜形态影响蒸镀温度以及OLED器件的寿命和发光效率。
因此,开发一种具有更高性能的有机功能材料,显得尤为重要。
发明内容
本发明的目的是提供一种有机化合物、有机光电器件、其应用及显示或照明装置,通过将该有机化合物应用于发光补助层可以提高空穴移动度,提供空穴传输及发光效果最大化,并且将这种有机化合物制备成器件,具有很好的发光效率。
本发明提供了一种有机化合物,其结构如式Ⅰ或式II所示:
其中,Ar1和Ar2各自独立地选自氢、取代或未取代的C6~C30芳基、或取代或未取代的C3~C30杂芳基;
L1和L2各自独立地选自单键、取代或未取代的C6-C30芳基、或取代或未取代的C2-C30杂芳基;
X1选自由C(R6)(R7)、N(R6)、O、S及Si(R6)(R7)构成的组;
其中,R1、R2、R3和R4各自独立地选自氢、取代或未取代的C1~C10烷基或环烷基、取代或未取代的C6-C30芳基,其中至少一者是烷基;
R5、R6和R7各自独立地选自取代或未取代的C1~C10烷基或环烷基、取代或未取代的C6~C30芳基、或取代或未取代的C3~C30杂芳基。
进一步地,上述Ar1和Ar2各自独立地选自如下基团:
其中,R6、R7、R8和R9各自独立地选自取代或未取代的C1~C10烷基、取代或未取代的C6~C30芳基。
优选地,所述有机化合物选自如下所示化学结构中的任意一种:
本发明进一步提供了一种有机光电器件,其包括:第一电极;第二电极,与所述第一电极相面对;有机功能层,其夹设于所述第一电极和所述第二电极之间;其中,所述有机功能层包含上述有机化合物。
本发明进一步提供了一种有机光电器件,其包括阴极层、阳极层和有机功能层,所述有机功能层包括有机化合物,其分子结构通式如结构式Ⅰ或式II所示:
其中,Ar1和Ar2各自独立地选自氢、取代或未取代的C6~C30芳基、或取代或未取代的C3~C30杂芳基;
L1和L2各自独立地选自单键、取代或未取代的C6-C30芳基、或取代或未取代的C2-C30杂芳基;
X1选自由C(R6)(R7)、N(R6)、O、S以及Si(R6)(R7)构成的组;
其中,R1、R2、R3和R4各自独立地选自氢、取代或未取代的C1~C10烷基或环烷基、取代或未取代的C6-C30芳基,其中至少一者是烷基;
R5、R6和R7各自独立地选自取代或未取代的C1~C10烷基或环烷基、取代或未取代的C6~C30芳基、或取代或未取代的C3~C30杂芳基。
进一步地,上述Ar1和Ar2各自独立地选自如下基团:
其中,R6、R7、R8和R9各自独立地选自取代或未取代的C1~C10烷基、取代或未取代的C6~C30芳基。
进一步地,所述有机功能层包括发光层、空穴传输层、空穴注入层、电子传输层、电子注入层、空穴阻挡层或发光补助层。
进一步地,所述有机光电器件包括有机发光器件、有机太阳电池、电子纸、有机感光体或有机薄膜晶体管。
本发明又提供了一种显示或照明装置,其含有上述有机光电器件。
本发明又提供了一种有机化合物在制作有机光电器件中的应用。
本发明通过将由式I或式II所示的有机化合物应用于发光补助层,提高空穴移动度、提高空穴传输性能,进而提高器件的发光效率,是性能良好的有机发光材料。本发明是利用一种有机化合物的有机发光器件可以得到发光效率和寿命良好的结果。
具体实施方式
一种使用所述有机化合物的有机光电器件,包括第一电极、第二电极和置于所述两电极之间的一个或多个有机功能层,至少一个有机功能层使用至少一种有机化合物。
进一步地,所述的有机功能层包括发光层、空穴传输层、空穴注入层、电子传输层、电子注入层、空穴阻挡层及其组合的群体里选择的有机光电器件。
进一步地,所述的有机光电器件包括有机电致发光器件(OLED)、有机太阳电池(OSC)、电子纸(e-Paper)、有机感光体(OPC)或有机薄膜晶体管(OTFT)。
在本发明中,所述有机电致发光器件用化合物是单一或跟其他化合物混合物形式包括在有机功能层中。
进一步地,Ar1和Ar2各自独立地选自甲基、萘基或二苯并噻吩基。
进一步地,L1和L2各自独立地选自苯基、甲基苯基、乙基苯基或环己基苯基。
进一步地,R1、R2、R3和R4各自独立地选自甲基、苯基、环烷基或乙基。
进一步地,R5、R6、R7、R8和R9各自独立地选自苯基、甲基、氘代甲基或联苯基。
在本发明中,所述有机电致发光器件优选包括阳极、阴极以及位于阳极和阴极之间的若干个有机功能层,所述“有机功能层”指的是有机电致发光器件中阳极和阴极之间部署的全部层的术语。所述有机功能层可以是具有空穴特性的层和具有电子特性的层。比如,所述有机功能层包括空穴注入层、空穴传输层、既具备空穴注入又具备空穴传输的技能层、电子阻挡层、发光层、空穴阻挡层、电子传输层、电子注入层、既具备电子传输又具备电子注入的技能层中的一种或几种。
在本发明中,所述空穴注入层、空穴传输层、既具备空穴注入又具备空穴传输的技能层中可以采用常规的空穴注入物质、空穴传输物质、既具备空穴注入又具备空穴传输技能的物质以外再包括电子-生成的物质。
比如,所述有机功能层是包括发光层,所述发光层是包括磷光主体、荧光主体、磷光掺杂和荧光掺杂中的一种或几种。在本发明中,可以采用所述有机电致发光器件用化合物作为荧光主体,也可以作为荧光掺杂,以及同时作为荧光主体和荧光掺杂。
在本发明中,所述发光层可以为红色、黄色或蓝色发光层。在本发明中,所述发光层为蓝色发光层时,采用上述所述的有机电致发光器件用化合物作为蓝色主体或蓝色掺杂,可得到高效率、高分辨率、高亮度及长寿命的有机电致发光器件。
在本发明中,所述有机功能层优选包括电子传输层,所述电子传输层包括上述技术方案所述的有机电致发光器件用化合物。在本发明中,所述电子传输层优选还包括金属化合物。
在本发明中,所述有机功能层优选包括发光层和电子传输层,所述发光层和电子传输层均含有上述技术方案所述的有机电致发光器件用化合物,所述发光层和电子传输层中的有机电致发光器件用化合物可以相同也可以不同。
本发明对所述有机电致发光器件的制备方法没有特殊的限制,除了使用有机电致发光器件用的由式Ⅰ或式II的化合物之外,采用本领域技术人员熟知的发光器件的制备方法和材料制备得到即可。
本发明的有机发光器件是平面面板显示、平面发光体、照明用面发光OLED发光体、柔性发光体、复印机、打印机、LCD背光灯或计量机类的光源、显示板、标识等适合使用。
下面将结合本发明实施例,对本发明的技术方案进行清楚、完整地描述,显然,所
描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,
本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1:化合物1的制备
第一步:将2-溴-4-氯-1-硝基苯(17.73g,75mmol)加入到三口烧瓶中, 加入四氢呋喃苯(300mL),氮气置换两次,反应体系冷却以后(-45℃以下),慢慢滴加n-丁基锂(30mL,75mmol),搅拌30分钟以后滴加溴甲烷(7.60g,80mmol),低温体系中搅拌30分钟以后室温再搅拌反应2h。反应液冷却,水洗,有机层经无水硫酸镁干燥,且接着过滤并浓缩。可通过柱层析法或者蒸馏法进行提纯得到中间化合物4-氯-2-甲基-1-硝基苯(12.70g, 99%)。LC-MS:M/Z 171.01(M+)。
第二步:在将化合物4-氯-2-甲基-1-硝基苯((2.57g,15mmol)溶解在1 ,4-二恶烷(130mL)中后,向其中添加苯硼酸(1.83g,15mmol)、Pd(PPh3)4(0.18g,0.15mmol)以及K2CO3(12.8克,93mmol)的水溶液,且在100℃下搅拌所得物6小时。在反应终止之后,将所得物冷却至室温,且用蒸馏水及乙酸乙酯萃取。有机层经MgSO4干燥,且接着过滤并浓缩。用乙酸乙酯及己烷作为展开剂,使用柱层析法纯化经浓缩残余物,获得目标化合物3-甲基-4-硝基-1,1'-联苯(2.88g,收率90%)。LC-MS:M/Z 213.08(M+)。
第三步:将3-甲基-4-硝基-1,1'-联苯(21.3g,100mmol)加入到3升四口瓶中,在依次加入水合肼(20g)和乙醇(100g),将该反应液在55℃下搅拌7小时,将反应液过滤,用甲苯萃取滤液3次,每次用量50克。最后使用旋转蒸发仪将甲苯萃取后的滤液蒸干,得到3-甲基-[1,1'-联苯]-4-胺(17.4g,收率95%)。LC-MS:M/Z 183.10(M+)。
第四步:将3-甲基-[1,1'-联苯]-4-胺(23.09g,75mmol)、叔丁醇钠(21.62g,225mmol)加入到三口烧瓶中, 加入甲苯(500mL)氮气置换两次,加入4-溴-3-甲基-1,1'-联苯(18.46g,75mmol)及催化剂Pd2(dba)3(2.06g, 2.25mmol),N2置换三次,注入三叔丁基膦(0.36mL,15mmol),升温到110℃,反应1h。反应液冷却,水洗,过硅藻土除去钯催化剂,蒸干,用二氯甲烷/石油醚重结晶,得黄色固体,再用甲苯/乙酸乙酯混合溶剂45℃洗2h,抽滤,得到中间化合物1-1(23.31g, 89%)。LC-MS:M/Z 349.18(M+)。
第五步:将1-1(26.21g,75mmol)叔丁醇钠(21.62g,225mmol)加入到三口烧瓶中,加入甲苯(500mL)氮气置换两次,加入2-溴二苯并[b,d]呋喃(18.53g,75mmol)及催化剂Pd2(dba)3(2.06g, 2.25mmol),N2置换三次,注入三叔丁基膦(0.36mL,15mmol),升温到110℃,反应1h。反应液冷却,水洗,过硅藻土除去钯催化剂,蒸干,用二氯甲烷/石油醚重结晶,得黄色固体,再用甲苯/乙酸乙酯混合溶剂45℃洗2h,抽滤,得到目标化合物1(36.71g,95%)。LC-MS:M/Z 515.22(M+)。
实施例2:化合物9的制备
参考实施例1中化合物1的合成方法合成化合物9,得到化合物9(35.30g, 收率91%)。LC-MS:M/Z 517.19(M+)。
实施例3:化合物55的制备
参考实施例1中化合物1的合成方法合成化合物55,得到化合物55 (43.01g, 收率86%)。LC-MS:M/Z 666.30(M+)。
实施例4:化合物64的制备
参考实施例1中化合物1的合成方法合成化合物64,得到化合物64 (52.87g, 收率95%)。LC-MS:M/Z 741.34(M+)。
实施例5:化合物74的制备
参考实施例1中化合物1的合成方法合成化合物74,得到化合物74 (37.31g, 收率88%)。LC-MS:M/Z 565.24(M+)。
实施例6:化合物104的制备
参考实施例1中化合物1的合成方法合成化合物104,得到化合物104 (49.36g, 收率92%)。LC-MS:M/Z 715.32(M+)。
实施例7:化合物114的制备
参考实施例1中化合物1的合成方法合成化合物114,得到化合物114 (43.15g, 收率90%)。LC-MS:M/Z 639.29(M+)。
实施例8:化合物161的制备
参考实施例1中化合物1的合成方法合成化合物161,得到化合物161(42.28g, 收率85%)。LC-MS:M/Z 663.29(M+)。
实施例9:化合物207的制备
参考实施例1中化合物1的合成方法合成化合物207,得到化合物207 (40.93g, 收率92%)。LC-MS:M/Z 593.22(M+)。
实施例10:化合物210的制备
参考实施例1中化合物1的合成方法合成化合物210,得到化合物210 (41.62g, 收率91%)。LC-MS:M/Z 609.33(M+)。
实施例11:化合物287的制备
参考实施例1中化合物1的合成方法合成化合物278,得到化合物287 (51.01g, 收率93%)。LC-MS:M/Z 731.36(M+)。
实施例12:化合物293的制备
参考实施例1中化合物1的合成方法合成化合物293,得到化合物293(50.03g, 收率96%)。LC-MS:M/Z 694.33(M+)。
实施例13:化合物300的制备
参考实施例1中化合物1的合成方法合成化合物300,得到化合物300 (42.03g, 收率85%)。LC-MS:M/Z 659.33(M+)。
评价例1:化合物的HOMO、LUMO、三重激发态能级及S1能级评价(见表1):
表1
器件实施方案
下面将结合本发明实施例的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明的保护范围。
1.第一比较例实施方案
使ITO玻璃基板图案化, 以具有3mm×3mm的发光区域。然后洗涤图案化的ITO玻璃基板,随后将该基板安放在真空室,且标准压力设定为1×10-6托。此后在ITO基板上蒸镀HATCN形成厚度为50Å的第一空穴注入层(HIL),在上述第一空穴注入层上蒸镀HTL-1形成厚度为600 Å的空穴传输层(HTL),在上述空穴传输层上蒸镀EB1形成厚度为50Å的发光补助层(EB),在发光补助层上面蒸镀RH+RD-1(3wt%)形成厚度为200Å的发光层(EML),依次蒸镀厚度为150Å的电子传输层(ET)、蒸镀Al(厚度为1000Å)形成阴极,从而制造了有机电致发光器件。
2.第二比较例实施方案
采用与上述第一比较例实施方案相同的方法制备第二比较例实施方案的有机电致发光器件,仅把有机电致发光器件的发光补助层(EB)由第一比较例实施方
案中化合物EB1替换为化合物EB2。
3.第一实施方案
采用与上述第一比较例实施方案相同的方法制备第一实施方案的有机电致发光器件,仅把有机电致发光器件的发光补助层(EB)由第一比较例实施方案中化
和物EB1替换为化合物1。
4.第二实施方案
采用与上述第一比较例实施方案相同的方法制备第二实施方案的有机电致发光器件,仅把有机电致发光器件的发光补助层(EB)由第一比较例实施方案中化合物EB1替换为化合物9。
5.第三实施方案
采用与上述第一比较例实施方案相同的方法制备第三实施方案的有机电致发光器件,仅把有机电致发光器件的发光补助层(EB)由第一比较例实施方案中化
合物EB1替换为化合物55。
6.第四实施方案
采用与上述第一比较例实施方案相同的方法制备第四实施方案的有机电致发光器件,仅把有机电致发光器件的发光补助层(EB)由第一比较例实施方案中化
合物EB1替换为化合物64。
7.第五实施方案
采用与上述第一比较例实施方案相同的方法制备第五实施方案的有机电致发光器件,仅把有机电致发光器件的发光补助层(EB)由第一比较例实施方案中化
合物EB1替换为化合物74。
8.第六实施方案
采用与上述第一比较例实施方案相同的方法制备第六实施方案的有机电致发光器件,仅把有机电致发光器件的发光补助层(EB)由第一比较例实施方案中化
合物EB1替换为化合物104。
9.第七实施方案
采用与上述第一比较例实施方案相同的方法制备第七实施方案的有机电致发光器件,仅把有机电致发光器件的发光补助层(EB)由第一比较例实施方案中化
合物EB1替换为化合物114。
10.第八实施方案
采用与上述第一比较例实施方案相同的方法制备第八实施方案的有机电致发光器件,仅把有机电致发光器件的发光补助层(EB)由第一比较例实施方案中化
合物EB1替换为化合物161。
11.第九实施方案
采用与上述第一比较例实施方案相同的方法制备第九实施方案的有机电致发光器件,仅把有机电致发光器件的发光补助层(EB)由第一比较例实施方案中化
合物EB1替换为化合物207。
12.第十实施方案
采用与上述第一比较例实施方案相同的方法制备第十实施方案的有机电致发光器件,仅把有机电致发光器件的发光补助层(EB)由第一比较例实施方案中化
合物EB1替换为化合物210。
13.第十一实施方案
采用与上述第一比较例实施方案相同的方法制备第十一实施方案的有机电致发光器件,仅把有机电致发光器件的发光补助层(EB)由第一比较例实施方案中
化合物EB1替换为化合物287。
14.第十二实施方案
采用与上述第一比较例实施方案相同的方法制备第十二实施方案的有机电致发光器件,仅把有机电致发光器件的发光补助层(EB)由第一比较例实施方案中
化合物EB1替换为化合物293。
15.第十三实施方案
采用与上述第一比较例实施方案相同的方法制备第十三实施方案的有机电致发光器件,仅把有机电致发光器件的发光补助层(EB)由第一比较例实施方案中化合物EB1替换为化合物300。
上述方法制造的有机电致发光器件的电子发光特性在表2中表示:
表 2
从上述表2所示的结果中,可以看出将本发明的有机化合物应用在发光补助层中,相比比较例,驱动电压有所降低,且发光效率及寿命均有显著地提高。
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等同物界定。
Claims (8)
1.一种有机化合物,其结构如式Ⅰ或式II所示:
其中,
L1和L2各自独立地选自单键、取代或未取代的C6-C30芳基、或取代或未取代的C2-C30杂芳基;
X1选自由C(R6)(R7)、N(R6)、O、S及Si(R6)(R7)构成的组;
其中,R1、R2、R3和R4各自独立地选自氢、取代或未取代的C1~C10烷基或环烷基、取代或未取代的C6-C30芳基,其中至少一者是烷基;
R5、R6和R7各自独立地选自取代或未取代的C1~C10烷基或环烷基、取代或未取代的C6~C30芳基、或取代或未取代的C3~C30杂芳基;
Ar1和Ar2各自独立地选自如下基团:
其中,R6、R7、R8和R9各自独立地选自取代或未取代的C1~C10烷基、取代或未取代的C6~C30芳基。
3.一种有机光电器件,其包括:第一电极;第二电极,其与所述第一电极相面对;有机功能层,其夹设于所述第一电极和所述第二电极之间;
其中,所述有机功能层包含权利要求1-2任一项所述的有机化合物。
4.一种有机光电器件,其包括阴极层、阳极层和有机功能层,所述有机功能层包括有机化合物,其分子结构通式如结构式Ⅰ或式II所示:
其中,
L1和L2各自独立地选自单键、取代或未取代的C6-C30芳基、或取代或未取代的C2-C30杂芳基;
X1选自由C(R6)(R7)、N(R6)、O、S以及Si(R6)(R7)构成的组;
其中,R1、R2、R3和R4各自独立地选自氢、取代或未取代的C1~C10烷基或环烷基、取代或未取代的C6-C30芳基,其中至少一者是烷基;
R5、R6和R7各自独立地选自取代或未取代的C1~C10烷基或环烷基、取代或未取代的C6~C30芳基、或取代或未取代的C3~C30杂芳基;
Ar1和Ar2各自独立地选自如下基团:
其中,R6、R7、R8和R9各自独立地选自取代或未取代的C1~C10烷基、取代或未取代的C6~C30芳基。
5.根据权利要求4所述的有机光电器件,其中,所述有机功能层包括发光层、空穴传输层、空穴注入层、电子传输层、电子注入层、空穴阻挡层或发光补助层。
6.根据权利要求4所述的有机光电器件,其中,所述有机光电器件包括有机电致发光器件、有机太阳电池、电子纸、有机感光体或有机薄膜晶体管。
7.一种显示或照明装置,其含有权利要求4所述的有机光电器件。
8.根据权利要求1所述的有机化合物在制作有机光电器件中的应用。
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