JP4416074B2 - 電荷輸送性材料、有機エレクトロルミネッセンス素子、および表示用パネル - Google Patents
電荷輸送性材料、有機エレクトロルミネッセンス素子、および表示用パネル Download PDFInfo
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- JP4416074B2 JP4416074B2 JP2003302682A JP2003302682A JP4416074B2 JP 4416074 B2 JP4416074 B2 JP 4416074B2 JP 2003302682 A JP2003302682 A JP 2003302682A JP 2003302682 A JP2003302682 A JP 2003302682A JP 4416074 B2 JP4416074 B2 JP 4416074B2
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- 125000003545 alkoxy group Chemical group 0.000 claims description 7
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 5
- 125000002102 aryl alkyloxo group Chemical group 0.000 claims description 5
- 125000003118 aryl group Chemical group 0.000 claims description 5
- 125000004104 aryloxy group Chemical group 0.000 claims description 5
- 150000002391 heterocyclic compounds Chemical group 0.000 claims description 5
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 4
- 125000005843 halogen group Chemical group 0.000 claims description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 4
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 4
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- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
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- 238000000605 extraction Methods 0.000 description 3
- 229910052741 iridium Inorganic materials 0.000 description 3
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
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- 125000001424 substituent group Chemical group 0.000 description 3
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- 0 CCCCCCCCc(cc1)cc(c2cc(*)ccc22)c1[n]2-c(cc1)ccc1-c(cc1)ccc1-[n]1c2ccc(C(C)(CC)CC)cc2c2cc(C)ccc12 Chemical compound CCCCCCCCc(cc1)cc(c2cc(*)ccc22)c1[n]2-c(cc1)ccc1-c(cc1)ccc1-[n]1c2ccc(C(C)(CC)CC)cc2c2cc(C)ccc12 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 2
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- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
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- 230000002378 acidificating effect Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
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- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N coumarin Chemical compound C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 description 2
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
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- 150000002430 hydrocarbons Chemical group 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
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- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
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- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 2
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- VMKOFRJSULQZRM-UHFFFAOYSA-N 1-bromooctane Chemical compound CCCCCCCCBr VMKOFRJSULQZRM-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
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- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-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
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- DJHOFMKXQHLKFN-UHFFFAOYSA-N 3-bromo-9-[4-[4-(3-bromo-6-octylcarbazol-9-yl)phenyl]phenyl]-6-octylcarbazole Chemical group C12=CC=C(Br)C=C2C2=CC(CCCCCCCC)=CC=C2N1C1=CC=C(C=2C=CC(=CC=2)N2C3=CC=C(CCCCCCCC)C=C3C3=CC(Br)=CC=C32)C=C1 DJHOFMKXQHLKFN-UHFFFAOYSA-N 0.000 description 1
- PIQLSWNMCZTPKJ-UHFFFAOYSA-N 3-bromo-9-[4-[4-(3-bromocarbazol-9-yl)phenyl]phenyl]carbazole Chemical group C12=CC=CC=C2C2=CC(Br)=CC=C2N1C1=CC=C(C=2C=CC(=CC=2)N2C3=CC=C(Br)C=C3C3=CC=CC=C32)C=C1 PIQLSWNMCZTPKJ-UHFFFAOYSA-N 0.000 description 1
- PBZSIASNTMNIAV-UHFFFAOYSA-N 3-ethyl-9-[4-[4-(3-ethyl-1-hydroxy-6-octylcarbazol-9-yl)phenyl]phenyl]-6-octylcarbazol-1-ol Chemical group CCCCCCCCC1=CC2=C(C=C1)N(C3=C2C=C(C=C3O)CC)C4=CC=C(C=C4)C5=CC=C(C=C5)N6C7=C(C=C(C=C7)CCCCCCCC)C8=C6C(=CC(=C8)CC)O PBZSIASNTMNIAV-UHFFFAOYSA-N 0.000 description 1
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- DDTHMESPCBONDT-UHFFFAOYSA-N 4-(4-oxocyclohexa-2,5-dien-1-ylidene)cyclohexa-2,5-dien-1-one Chemical class C1=CC(=O)C=CC1=C1C=CC(=O)C=C1 DDTHMESPCBONDT-UHFFFAOYSA-N 0.000 description 1
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- ONIHPYYWNBVMID-UHFFFAOYSA-N CCOC(c(cc1)ccc1C(OCC)=O)=O Chemical compound CCOC(c(cc1)ccc1C(OCC)=O)=O ONIHPYYWNBVMID-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
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- 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
- 229930192627 Naphthoquinone Natural products 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- OYTNUANRXMDLLU-UHFFFAOYSA-N acetic acid bromomethane Chemical compound CBr.C(C)(=O)O OYTNUANRXMDLLU-UHFFFAOYSA-N 0.000 description 1
- PWAXUOGZOSVGBO-UHFFFAOYSA-N adipoyl chloride Chemical compound ClC(=O)CCCCC(Cl)=O PWAXUOGZOSVGBO-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229920005603 alternating copolymer Polymers 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000000732 arylene group Chemical group 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 230000031709 bromination Effects 0.000 description 1
- 238000005893 bromination reaction Methods 0.000 description 1
- 125000004106 butoxy group Chemical group [*]OC([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-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
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 125000004556 carbazol-9-yl group Chemical group C1=CC=CC=2C3=CC=CC=C3N(C12)* 0.000 description 1
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 239000011365 complex material Substances 0.000 description 1
- 229920000547 conjugated polymer Polymers 0.000 description 1
- 229960000956 coumarin Drugs 0.000 description 1
- 235000001671 coumarin Nutrition 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 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
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 150000008376 fluorenones Chemical class 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 125000002541 furyl group Chemical group 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
- 239000010931 gold Substances 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 125000005446 heptyloxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000012761 high-performance material Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000005286 illumination Methods 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
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- RTRAMYYYHJZWQK-UHFFFAOYSA-N iridium;2-phenylpyridine Chemical compound [Ir].C1=CC=CC=C1C1=CC=CC=N1 RTRAMYYYHJZWQK-UHFFFAOYSA-N 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
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([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
- QDLAGTHXVHQKRE-UHFFFAOYSA-N lichenxanthone Natural products COC1=CC(O)=C2C(=O)C3=C(C)C=C(OC)C=C3OC2=C1 QDLAGTHXVHQKRE-UHFFFAOYSA-N 0.000 description 1
- 125000005647 linker group Chemical group 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 description 1
- 229910001635 magnesium fluoride Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910001512 metal fluoride Inorganic materials 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000004674 methylcarbonyl group Chemical group CC(=O)* 0.000 description 1
- DCZNSJVFOQPSRV-UHFFFAOYSA-N n,n-diphenyl-4-[4-(n-phenylanilino)phenyl]aniline Chemical class C1=CC=CC=C1N(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 DCZNSJVFOQPSRV-UHFFFAOYSA-N 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
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 150000002790 naphthalenes Chemical class 0.000 description 1
- 150000002791 naphthoquinones Chemical class 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000006611 nonyloxy group Chemical group 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 150000004866 oxadiazoles Chemical class 0.000 description 1
- 229960003540 oxyquinoline Drugs 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000035699 permeability 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
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000553 poly(phenylenevinylene) Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920002098 polyfluorene Polymers 0.000 description 1
- 229920005596 polymer binder Polymers 0.000 description 1
- 239000002491 polymer binding agent Substances 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 239000011970 polystyrene sulfonate Substances 0.000 description 1
- 229960002796 polystyrene sulfonate Drugs 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003219 pyrazolines Chemical class 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 238000006862 quantum yield reaction Methods 0.000 description 1
- 239000010453 quartz Substances 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
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 238000007789 sealing Methods 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
- 239000004054 semiconductor nanocrystal Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical group [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical class C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 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
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 125000001544 thienyl group Chemical group 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
- 125000005259 triarylamine group Chemical group 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
Landscapes
- Photoreceptors In Electrophotography (AREA)
- Electroluminescent Light Sources (AREA)
- Polyesters Or Polycarbonates (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Photovoltaic Devices (AREA)
Description
第3の発明は、第2の発明において、下記式(2)〜(7)のいずれかで表わされる化合物である電荷輸送性材料に関するものである。
第3の発明によれば、式(2)〜(7)のいずれかで表わされる化合物としたことにより、本来的な電荷輸送性を損なうことなく、ガラス転移温度、結晶化度、屈折率、接着性、もしくは溶解性等の制御を行なうことが可能であり、さらなる高機能性能材料への展開の可能性を有する電荷輸送性材料を提供することができる。
乾燥窒素気流下で、乾燥クロロホルム50mlにCBP(4,4’−ビス(カルバゾール−9‐イル)−ビフェニルの略)1.79gを溶解し、触媒量の無水塩化第二鉄を加えて氷冷し、遮光しながら臭素0.33mlを加え、徐々に室温まで温度を上げながら3時間撹拌した後、チオ硫酸ナトリウム水溶液を加えることで反応を終了させ、その後、クロロホルムで生成物を抽出し、フラッシュカラムクロマトグラフィーで分離して、CBPのニ臭素化体(4,4’−ビス(3−ブロモ−カルバゾール−9‐イル)−ビフェニル)を収率80%で得た。
9‐イル)−ビフェニル)を収率80%で得た。
実施例1におけるのと同様にして得られたCBPの二ホウ素化体0.848g、2−ブロモエチルエーテル0.126ml、および触媒量のテトラキス(トリフェニルホスフィン)パラジウムを、実施例1におけるのと同様にして鈴木カップリングを行ない、以降も実施例1におけるのと同様に行なって、目的とする重合体(式(3))を得た。得られた重合体を電荷輸送性材料2と呼ぶ。
実施例1におけるのと同様にして得られたCBPの二ホウ素化体1.273gおよび臭化酢酸メチル0.34mlを、トルエン50mlと炭酸ナトリウム水溶液50mlの混合溶媒に溶解して48時間加熱還流することで鈴木カップリングを行ない、重合させた後、エーテルで生成物を抽出し、その後、溶媒を留去した残存物に水酸化ナトリウムの10%水溶液30mlを加え、得られた懸濁物を24時間加熱還流した。加熱還流後、塩酸を加えて酸性条件にしてエーテルで抽出し、さらに、炭酸水素ナトリウム水溶液でカルボン酸抽出し、その後、再度塩酸を加えて酸性条件にしてエーテルで抽出し、フラッシュカラムクロマトグラフィーで分離して、CBPのメチルカルボニル体(4,4’−ビス(3−メチルカルボニル−6−オクチルカルバゾール−9‐イル)−ビフェニル)を収率70%で得た。
(溶解性および成膜性試験)
実施例1〜実施例4で得られた電荷輸送性材料1〜4は、いずれもトルエン、クロロホルム、もしくはテトラヒドロフランに可溶であった。また、電荷輸送性材料1〜4は、これらのいずれの溶媒を用いて溶液とした場合にも、それらの溶液を用いてスピンコートによりガラス基板上に薄膜を形成することが支障なく行なえた。
(分子量)
また、電荷輸送性材料1〜4のポリスチレン換算の数平均分子量を、クロロホルムを溶媒としてゲルパーミエーションクロマトグラフィー(GPC)で求めたところ、各の値は、電荷輸送性材料1;5.2×104、同2;3.8×104、同3;1.0×104、および同4;1.1×104であった。
(有機EL素子の作製および評価)
ガラス基板上にITOの透明導電性膜が成膜された基板を準備し、ITO膜を所望の形状にパターニングした後、洗浄およびUV/オゾン処理を施した。次いで、ポリ−3,4−エチレンジオキシチオフェン/ポリスチレンスルフォネート(略称;PEDOT/PSS)の水分散液(バイエル社製、商品名;Baytron TP CH8000)を洗浄された基板のITOパターン上に滴下し、スピンコートした。コート後、温度;200℃のホットプレート上で10分加熱乾燥し、厚み;80nmの正孔輸送層を形成した。
(電子輸送層兼発光層形成用組成物)
・電荷輸送性材料1………………………………………………………………19重量部
・Ir(ppy)3…………………………………………………………………1重量部
・テトラフドロフラン…………………………………………………………995重量部
さらに、5×10-6Torrの真空条件下で、電子輸送層兼発光層上に、金属カルシウムを0.12nm/sの成膜速度で厚み;10nmになるよう真空蒸着し、さらにその上に、銀を0.25nm/sの成膜速度で厚み;200nmになるよう真空蒸着して金属電極を形成し、有機EL素子とした。
Claims (10)
- 下記式(1)の繰り返し単位を少なくとも一つ含む化合物である電荷輸送性材料。
- 前記化合物は前記式(1)の繰り返し単位5〜100000からなることを特徴とする請求項1記載の電荷輸送性材料。
- 陽極および陰極の間に単層あるいは多層の有機化合物層が挟まれた構造を有し、前記陽極から注入される正孔と陰極から注入される電子とが再結合することにより発光するものであって、前記有機化合物層の少なくとも一層が請求項1〜請求項3いずれか記載の電荷輸送性材料を含有する層であることを特徴とする有機エレクトロルミネッセンス素子。
- 前記有機化合物層の少なくとも一層が、請求項1〜請求項3いずれか記載の電荷輸送性材料中に発光材料が分散した発光層であることを特徴とする請求項4記載の有機エレクトロルミネッセンス素子。
- 前記発光材料が燐光性のイリジウム化合物であることを特徴とする請求項5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の間に電子輸送性材料を含む層を有することを特徴とする請求項4または請求項6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性材料を含む層を有することを特徴とする請求項5〜請求項7いずれか記載の有機エレクトロルミネッセンス素子。
- 前記請求項4〜請求項6いずれか記載の有機エレクトロルミネッセンス素子において、陰極と発光層の間に隣接して電子輸送性材料を含む層を、陽極と発光層の間に隣接して正孔輸送性材料を含む層を設けたことを特徴とする有機エレクトロルミネッセンス素子。
- 前記請求項4〜請求項9いずれか記載の有機エレクトロルミネッセンス素子を備えることを特徴とする表示用パネル。
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US10741774B2 (en) | 2017-07-04 | 2020-08-11 | Samsung Display Co., Ltd. | Heterocyclic compound and organic electroluminescence device including the same |
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DE10328627A1 (de) * | 2003-06-26 | 2005-02-17 | Covion Organic Semiconductors Gmbh | Neue Materialien für die Elektrolumineszenz |
GB2460358B (en) * | 2004-12-29 | 2010-01-13 | Cambridge Display Tech Ltd | Rigid amines |
CN101495534A (zh) * | 2005-03-04 | 2009-07-29 | 住友化学株式会社 | 二咔唑芳族胺聚合物和电子器件 |
JP5026104B2 (ja) * | 2006-06-27 | 2012-09-12 | 広栄化学工業株式会社 | カルバゾール化合物 |
TW200828604A (en) * | 2006-12-26 | 2008-07-01 | Univ Nat Chiao Tung | Polymer solar energy cell and the making method thereof |
JP5045098B2 (ja) * | 2006-12-27 | 2012-10-10 | 住友化学株式会社 | Cbp化合物 |
US20100089439A1 (en) * | 2007-02-26 | 2010-04-15 | Yasunori Uetani | Cbp compound |
CN102017214B (zh) * | 2008-03-19 | 2014-03-19 | 密执安州立大学董事会 | 用于红外探测的有机薄膜 |
JP5659459B2 (ja) * | 2008-04-02 | 2015-01-28 | 日立化成株式会社 | 有機エレクトロニクス用材料 |
KR101736973B1 (ko) * | 2010-01-15 | 2017-05-17 | 삼성전자주식회사 | 고분자 및 상기 고분자를 포함한 유기 발광 소자 |
JP5648641B2 (ja) * | 2010-01-28 | 2015-01-07 | コニカミノルタ株式会社 | 有機光電変換素子 |
KR101654420B1 (ko) * | 2013-09-26 | 2016-09-05 | 주식회사 엘지화학 | 헤테로환 화합물 및 이를 이용한 유기 발광 소자 |
GB2545497A (en) * | 2015-12-18 | 2017-06-21 | Cambridge Display Tech Ltd | Polymer |
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US10741774B2 (en) | 2017-07-04 | 2020-08-11 | Samsung Display Co., Ltd. | Heterocyclic compound and organic electroluminescence device including the same |
US11165026B2 (en) | 2017-07-04 | 2021-11-02 | Samsung Display Co., Ltd. | Heterocyclic compound and organic electroluminescence device including the same |
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