JP7375765B2 - ポリマー及びその利用 - Google Patents
ポリマー及びその利用 Download PDFInfo
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- JP7375765B2 JP7375765B2 JP2020549353A JP2020549353A JP7375765B2 JP 7375765 B2 JP7375765 B2 JP 7375765B2 JP 2020549353 A JP2020549353 A JP 2020549353A JP 2020549353 A JP2020549353 A JP 2020549353A JP 7375765 B2 JP7375765 B2 JP 7375765B2
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- carbon atoms
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- atom
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- 229920000642 polymer Polymers 0.000 title claims description 42
- -1 p-(diphenylamino)phenyl group Chemical group 0.000 claims description 149
- 125000004432 carbon atom Chemical group C* 0.000 claims description 111
- 238000002347 injection Methods 0.000 claims description 47
- 239000007924 injection Substances 0.000 claims description 47
- 239000010409 thin film Substances 0.000 claims description 46
- 239000002966 varnish Substances 0.000 claims description 45
- 125000000217 alkyl group Chemical group 0.000 claims description 44
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 35
- 125000003118 aryl group Chemical group 0.000 claims description 24
- 230000005525 hole transport Effects 0.000 claims description 23
- 125000005843 halogen group Chemical group 0.000 claims description 22
- 239000002019 doping agent Substances 0.000 claims description 20
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 18
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 13
- 239000003960 organic solvent Substances 0.000 claims description 13
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 13
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 10
- 125000001072 heteroaryl group Chemical group 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 125000003545 alkoxy group Chemical group 0.000 claims description 7
- 125000003277 amino group Chemical group 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 125000001424 substituent group Chemical group 0.000 claims description 7
- 125000004104 aryloxy group Chemical group 0.000 claims description 5
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 5
- 239000003446 ligand Substances 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 125000005553 heteroaryloxy group Chemical group 0.000 claims description 3
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 claims description 3
- 150000004696 coordination complex Chemical class 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 claims 2
- 125000006569 (C5-C6) heterocyclic group Chemical group 0.000 claims 1
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- 125000004430 oxygen atom Chemical group O* 0.000 claims 1
- 229910052723 transition metal Inorganic materials 0.000 claims 1
- 239000010410 layer Substances 0.000 description 127
- 238000005401 electroluminescence Methods 0.000 description 35
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 33
- 239000002904 solvent Substances 0.000 description 29
- 150000001875 compounds Chemical class 0.000 description 26
- 239000000463 material Substances 0.000 description 26
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 24
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 22
- 238000000034 method Methods 0.000 description 21
- 239000000758 substrate Substances 0.000 description 21
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 20
- 238000006243 chemical reaction Methods 0.000 description 18
- 125000003342 alkenyl group Chemical group 0.000 description 15
- 125000001153 fluoro group Chemical group F* 0.000 description 15
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 14
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 14
- 239000002253 acid Substances 0.000 description 12
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 11
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 11
- 239000010408 film Substances 0.000 description 11
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 11
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 10
- 125000001931 aliphatic group Chemical group 0.000 description 10
- 150000002430 hydrocarbons Chemical group 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 8
- 239000003054 catalyst Substances 0.000 description 8
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 8
- 229910052731 fluorine Inorganic materials 0.000 description 8
- 238000005259 measurement Methods 0.000 description 8
- 239000000178 monomer Substances 0.000 description 8
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 8
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 7
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 6
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 6
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 6
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 6
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 6
- 125000002029 aromatic hydrocarbon group Chemical group 0.000 description 6
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 6
- 230000008033 biological extinction Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 6
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 6
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 6
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 6
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 6
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 6
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 239000004305 biphenyl Substances 0.000 description 5
- 125000004122 cyclic group Chemical group 0.000 description 5
- 238000010304 firing Methods 0.000 description 5
- 238000005227 gel permeation chromatography Methods 0.000 description 5
- 239000002346 layers by function Substances 0.000 description 5
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 5
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 5
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 5
- 125000001624 naphthyl group Chemical group 0.000 description 5
- 239000002798 polar solvent Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- 238000007740 vapor deposition Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000008096 xylene Substances 0.000 description 5
- ONUFSRWQCKNVSL-UHFFFAOYSA-N 1,2,3,4,5-pentafluoro-6-(2,3,4,5,6-pentafluorophenyl)benzene Chemical group FC1=C(F)C(F)=C(F)C(F)=C1C1=C(F)C(F)=C(F)C(F)=C1F ONUFSRWQCKNVSL-UHFFFAOYSA-N 0.000 description 4
- CHLICZRVGGXEOD-UHFFFAOYSA-N 1-Methoxy-4-methylbenzene Chemical compound COC1=CC=C(C)C=C1 CHLICZRVGGXEOD-UHFFFAOYSA-N 0.000 description 4
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical class CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 235000010290 biphenyl Nutrition 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 4
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 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 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical compound C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 4
- LZDKZFUFMNSQCJ-UHFFFAOYSA-N 1,2-diethoxyethane Chemical compound CCOCCOCC LZDKZFUFMNSQCJ-UHFFFAOYSA-N 0.000 description 3
- 238000005160 1H NMR spectroscopy Methods 0.000 description 3
- 125000004975 3-butenyl group Chemical group C(CC=C)* 0.000 description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 239000007983 Tris buffer Substances 0.000 description 3
- 239000005456 alcohol based solvent Substances 0.000 description 3
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 3
- 125000000304 alkynyl group Chemical group 0.000 description 3
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 3
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 125000001309 chloro group Chemical group Cl* 0.000 description 3
- 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 3
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 150000002170 ethers Chemical class 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- AUHZEENZYGFFBQ-UHFFFAOYSA-N mesitylene Substances CC1=CC(C)=CC(C)=C1 AUHZEENZYGFFBQ-UHFFFAOYSA-N 0.000 description 3
- 125000001827 mesitylenyl group Chemical group [H]C1=C(C(*)=C(C([H])=C1C([H])([H])[H])C([H])([H])[H])C([H])([H])[H] 0.000 description 3
- 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 3
- 125000003136 n-heptyl 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])* 0.000 description 3
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- 229940078552 o-xylene Drugs 0.000 description 3
- 229910052763 palladium Inorganic materials 0.000 description 3
- 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 3
- 229920003227 poly(N-vinyl carbazole) Polymers 0.000 description 3
- 229920000553 poly(phenylenevinylene) Polymers 0.000 description 3
- 239000003505 polymerization initiator Substances 0.000 description 3
- 229910000027 potassium carbonate Inorganic materials 0.000 description 3
- 235000011181 potassium carbonates Nutrition 0.000 description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 description 3
- 125000005259 triarylamine group Chemical group 0.000 description 3
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical class C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- 239000001211 (E)-4-phenylbut-3-en-2-one Substances 0.000 description 2
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 2
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- 125000004973 1-butenyl group Chemical group C(=CCC)* 0.000 description 2
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 2
- BBMCTIGTTCKYKF-UHFFFAOYSA-N 1-heptanol Chemical compound CCCCCCCO BBMCTIGTTCKYKF-UHFFFAOYSA-N 0.000 description 2
- 125000006021 1-methyl-2-propenyl group Chemical group 0.000 description 2
- 125000006017 1-propenyl group Chemical group 0.000 description 2
- 125000004206 2,2,2-trifluoroethyl group Chemical group [H]C([H])(*)C(F)(F)F 0.000 description 2
- 125000004974 2-butenyl group Chemical group C(C=CC)* 0.000 description 2
- CETWDUZRCINIHU-UHFFFAOYSA-N 2-heptanol Chemical compound CCCCCC(C)O CETWDUZRCINIHU-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- 125000003349 3-pyridyl group Chemical group N1=C([H])C([*])=C([H])C([H])=C1[H] 0.000 description 2
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- 229940042055 systemic antimycotics triazole derivative Drugs 0.000 description 1
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 1
- 150000003518 tetracenes Chemical class 0.000 description 1
- BSYVTEYKTMYBMK-UHFFFAOYSA-N tetrahydrofurfuryl alcohol Chemical compound OCC1CCCO1 BSYVTEYKTMYBMK-UHFFFAOYSA-N 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- JLGLQAWTXXGVEM-UHFFFAOYSA-N triethylene glycol monomethyl ether Chemical compound COCCOCCOCCO JLGLQAWTXXGVEM-UHFFFAOYSA-N 0.000 description 1
- 125000005951 trifluoromethanesulfonyloxy group Chemical group 0.000 description 1
- YFNKIDBQEZZDLK-UHFFFAOYSA-N triglyme Chemical compound COCCOCCOCCOC YFNKIDBQEZZDLK-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 150000003672 ureas Chemical class 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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]
- H10K50/17—Carrier injection layers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F26/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
- C08F26/06—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
- C08F26/12—N-Vinyl-carbazole
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F12/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F12/02—Monomers containing only one unsaturated aliphatic radical
- C08F12/32—Monomers containing only one unsaturated aliphatic radical containing two or more rings
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/15—Hole transporting layers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Description
1.下記式(1)で表される繰り返し単位を含むポリマー。
2.Xが、単結合である1のポリマー。
3.R1~R11が、水素原子である1又は2のポリマー。
4.前記ArTが、p-(ジフェニルアミノ)フェニル基、p-(1-ナフチルフェニルアミノ)フェニル基、p-[ジ(1-ナフチル)アミノ]フェニル基、p-(1-ナフチル-2-ナフチルアミノ)フェニル基、p-[ジ(2-ナフチル)アミノ]フェニル基である1~3のいずれかのポリマー。
5.mが、0又は1である1~4のいずれかのポリマー。
6.(A)1~5のいずれかのポリマーを含む電荷輸送性物質、及び(B)有機溶媒を含む電荷輸送性ワニス。
7.更に、(C)ドーパントを含む6の電荷輸送性ワニス。
8.前記有機溶媒が、低極性有機溶媒を含む7の電荷輸送性ワニス。
9.6~8のいずれかの電荷輸送性ワニスから得られる電荷輸送性薄膜。
10.9の電荷輸送性薄膜を備える有機エレクトロルミネッセンス素子。
11.前記電荷輸送性薄膜が、正孔注入層又は正孔輸送層である10の有機エレクトロルミネッセンス素子。
12.下記式(1')で表されるモノマー。
式(1)で表されるポリマーは、下記式(1')で表されるモノマーを1種又は2種以上重合させることによって製造することができる。
本発明の電荷輸送性ワニスは、(A)式(1)で表されるポリマーを含む電荷輸送性物質、及び(B)有機溶媒を含むものである。なお、本発明において、電荷輸送性とは、導電性と同義であり、正孔輸送性と同義である。
(B)成分の有機溶媒としては、前記ポリマーを良好に溶解し得る高溶解性溶媒を用いることができる。前記ポリマーを溶解させ、かつ非晶質な塗膜を得るためには、低極性溶媒を用いることが好ましい。また、必要に応じて低極性溶媒と高極性溶媒とを併用してもよい。なお、本発明において、低極性溶媒とは周波数100kHzでの比誘電率が7未満のものを、高極性溶媒とは周波数100kHzでの比誘電率が7以上のものと定義する。
本発明の電荷輸送性ワニスは、本発明の電荷輸送性ワニスから得られる薄膜の電荷輸送性を向上させる等の目的で、ドーパントを含んでもよい。なお、本発明においては、ドーパントには、例えば加熱のような外部刺激によってドーパントとしての機能が向上し又は発現するようになる物質も含み、その具体例としては、アリールスルホン酸エステル化合物が挙げられる。
本発明の電荷輸送性薄膜は、本発明の電荷輸送性ワニスを基材上に塗布し、焼成することで形成することができる。
本発明の有機EL素子は、一対の電極を有し、これら電極の間に、本発明の電荷輸送性薄膜からなる機能層を有するものである。
(a)陽極/正孔注入層/正孔輸送層/発光層/電子輸送層/電子注入層/陰極
(b)陽極/正孔注入層/正孔輸送層/発光層/電子注入輸送層/陰極
(c)陽極/正孔注入輸送層/発光層/電子輸送層/電子注入層/陰極
(d)陽極/正孔注入輸送層/発光層/電子注入輸送層/陰極
(e)陽極/正孔注入層/正孔輸送層/発光層/陰極
(f)陽極/正孔注入輸送層/発光層/陰極
(1)1H-NMR、19F-NMR:JEOL(株)製、核磁気共鳴装置AL-300
(2)基板洗浄:長州産業(株)製、基板洗浄装置(減圧プラズマ方式)
(3)ワニスの塗布:ミカサ(株)製、スピンコーターMS-A100
(4)膜厚測定:(株)小坂研究所製、微細形状測定機サーフコーダET-4000
(5)膜の表面観察:レーザーテック社製、共焦点レーザー顕微鏡、リアルタイム走査型レーザー顕微鏡1LM21D
(6)EL素子の作製:長州産業(株)製、多機能蒸着装置システムC-E2L1G1-N
(7)EL素子の輝度等の測定:(株)イーエッチシー製、多チャンネルIVL測定装置
(8)EL素子の寿命測定(輝度半減期測定):(株)イーエッチシー製、有機EL輝度寿命評価システムPEL-105S
(9)LDI-MS:Bruker社製AutoFlex
(10)屈折率及び消衰係数の測定:ジェー・エー・ウーラムジャパン製、多入社角分光エリプソメーターVASE
(11)重量平均分子量(Mw)及び数平均分子量(Mn)測定:(株)島津製作所製(カラム:Shodex GPC KF-805L+KF-804L、カラム温度;40℃、検出器:UV検出器(254nm)、溶離液:THF、カラム流速:1.0mL/min)
1H-NMR (500MHz, CDCl3) δ[ppm]: 8.25(d, J=1.5Hz, 1H),8.09(d, J=8.0Hz, 1H), 7.78(dd, J=8.0, 1.5Hz, 2H), 7.54-7.57(m, 4H), 7.49(dd, J=8.5, 2.0Hz, 1H), 7.44(d, J=3.5Hz, 2H), 7.28-7.33(m, 6H), 7.15-7.19(m, 6H), 7.06(t, J=7.5, 2H).
1H-NMR(500MHz, CDCl3) δ[ppm]: 8.14(s, 1H), 8.12(d, J=7.5Hz, 1H), 7.71(d, J=8.5, 2H), 7.47-7.53(m, 5H), 7.35-7.42(m, 3H), 7.24-7.27(m, 4H), 7.13-7.17(m, 7H), 7.03(t, J=7.5, 2H), 6.89(dd, J=17.5, 11Hz, 1H), 5.76(d, J=17.5Hz, 1H), 5.19(d, J=11Hz, 1H).
ポリマーP-1 219mg及び4-イソプロピル-4'-メチルジフェニルヨードニウムテトラキス(ペンタフルオロフェニル)ボラート(東京化成工業(株)製)44mgの混合物に、3-フェノキシトルエン2.5g及び4-メトキシトルエン2.5gを加えて、室温で攪拌して溶解させ、得られた溶液を、孔径0.2μmのシリンジフィルターでろ過して電荷輸送性ワニスを得た。
実施例2で得られたワニスをスピンコーターを用いて石英基板に塗布した後、大気雰囲気下、150℃で10分間焼成し、石英基板上に70nmの均一な薄膜を形成した。この薄膜付きの石英基板を用いて、多入社角分光エリプソメーターにてn値及びk値の測定を行った。結果を表1に示す。
実施例2で得られたワニスをスピンコーターを用いてITO基板に塗布した後、大気雰囲気下、150℃で10分間焼成し、ITO基板上に膜厚70nmの薄膜を形成した。ITO基板としては、ITOが表面上に膜厚150nmでパターニングされた25mm×25mm×0.7tのガラス基板を用い、使用前にO2プラズマ洗浄装置(150W、30秒間)によって表面上の不純物を除去した。
次いで、薄膜を形成したITO基板に対し、蒸着装置(真空度1.0×10-5Pa)を用いてα-NPDを0.2nm/秒にて95nm成膜した。次に、関東化学(株)製の電子ブロック材料HTEB-01を10nm成膜した。次いで、新日鉄住金化学(株)製の発光層ホスト材料NS60と発光層ドーパント材料Ir(ppy)3を共蒸着した。共蒸着は、Ir(ppy)3の濃度が6%になるように蒸着レートをコントロールし、40nm積層させた。次いで、Alq3、フッ化リチウム及びアルミニウムの薄膜を順次積層して有機EL素子を得た。この際、蒸着レートは、Alq3及びアルミニウムについては0.2nm/秒、フッ化リチウムについては0.02nm/秒の条件でそれぞれ行い、膜厚は、それぞれ20nm、0.5nm及び80nmとした。
なお、空気中の酸素、水等の影響による特性劣化を防止するため、有機EL素子は封止基板により封止した後、その特性を評価した。封止は、以下の手順で行った。酸素濃度2ppm以下、露点-76℃以下の窒素雰囲気中で、有機EL素子を封止基板の間に収め、封止基板を接着剤((株)MORESCO製、モレスコモイスチャーカットWB90US(P))により貼り合わせた。この際、捕水剤(ダイニック(株)製HD-071010W-40)を有機EL素子と共に封止基板内に収めた。貼り合わせた封止基板に対し、UV光を照射(波長:365nm、照射量:6,000mJ/cm2)した後、80℃で1時間、アニーリング処理して接着剤を硬化させた。
Claims (11)
- 下記式(1)で表される繰り返し単位を含むポリマー(ただし、下記式(1')で表される金属錯体を部分構造として有するものを除く。)。
- Xが、単結合である請求項1記載のポリマー。
- R1~R11が、水素原子である請求項1又は2記載のポリマー。
- 前記ArTが、p-(ジフェニルアミノ)フェニル基、p-(1-ナフチルフェニルアミノ)フェニル基、p-[ジ(1-ナフチル)アミノ]フェニル基、p-(1-ナフチル-2-ナフチルアミノ)フェニル基、p-[ジ(2-ナフチル)アミノ]フェニル基である請求項1~3のいずれか1項記載のポリマー。
- mが、0又は1である請求項1~4のいずれか1項記載のポリマー。
- (A)請求項1~5のいずれか1項記載のポリマーを含む電荷輸送性物質、及び(B)有機溶媒を含む電荷輸送性ワニス。
- 更に、(C)ドーパントを含む請求項6記載の電荷輸送性ワニス。
- 前記有機溶媒が、低極性有機溶媒を含む請求項7記載の電荷輸送性ワニス。
- 請求項6~8のいずれか1項記載の電荷輸送性ワニスから得られる電荷輸送性薄膜。
- 請求項9記載の電荷輸送性薄膜を備える有機エレクトロルミネッセンス素子。
- 前記電荷輸送性薄膜が、正孔注入層又は正孔輸送層である請求項10記載の有機エレクトロルミネッセンス素子。
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JPH11329737A (ja) * | 1998-03-13 | 1999-11-30 | Taiho Ind Co Ltd | 有機多層型エレクトロルミネッセンス素子及び有機多層型エレクトロルミネッセンス素子用構造体の合成方法 |
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JP2002124389A (ja) | 2000-10-16 | 2002-04-26 | Jsr Corp | 有機エレクトロルミネッセンス素子 |
JP2009096861A (ja) | 2007-10-16 | 2009-05-07 | Konica Minolta Holdings Inc | 有機エレクトロルミネッセンス素子材料、有機エレクトロルミネッセンス素子、表示装置及び照明装置 |
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