JP4791483B2 - 新規イミダゾール誘導体、その製造方法およびそれを用いた有機電子素子 - Google Patents
新規イミダゾール誘導体、その製造方法およびそれを用いた有機電子素子 Download PDFInfo
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- JP4791483B2 JP4791483B2 JP2007544281A JP2007544281A JP4791483B2 JP 4791483 B2 JP4791483 B2 JP 4791483B2 JP 2007544281 A JP2007544281 A JP 2007544281A JP 2007544281 A JP2007544281 A JP 2007544281A JP 4791483 B2 JP4791483 B2 JP 4791483B2
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- 150000002460 imidazoles Chemical class 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 title description 10
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- 239000010410 layer Substances 0.000 claims description 65
- 239000000126 substance Substances 0.000 claims description 44
- 125000003118 aryl group Chemical group 0.000 claims description 36
- 238000002347 injection Methods 0.000 claims description 29
- 239000007924 injection Substances 0.000 claims description 29
- 125000000217 alkyl group Chemical group 0.000 claims description 25
- 125000001424 substituent group Chemical group 0.000 claims description 24
- 239000011368 organic material Substances 0.000 claims description 21
- 125000003277 amino group Chemical group 0.000 claims description 20
- 125000000623 heterocyclic group Chemical group 0.000 claims description 19
- 230000005525 hole transport Effects 0.000 claims description 14
- 125000003342 alkenyl group Chemical group 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 11
- 239000001257 hydrogen Substances 0.000 claims description 11
- 239000012044 organic layer Substances 0.000 claims description 10
- 125000002883 imidazolyl group Chemical group 0.000 claims description 9
- 125000001624 naphthyl group Chemical group 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 229930192627 Naphthoquinone Natural products 0.000 claims description 5
- 125000001246 bromo group Chemical group Br* 0.000 claims description 5
- 150000002791 naphthoquinones Chemical class 0.000 claims description 4
- ZADPBFCGQRWHPN-UHFFFAOYSA-N boronic acid Chemical compound OBO ZADPBFCGQRWHPN-UHFFFAOYSA-N 0.000 claims description 3
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 3
- 108091008695 photoreceptors Proteins 0.000 claims description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 3
- 229940079865 intestinal antiinfectives imidazole derivative Drugs 0.000 claims 1
- 239000000463 material Substances 0.000 description 51
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 30
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- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 20
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 6
- 125000005264 aryl amine group Chemical group 0.000 description 6
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- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 6
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 5
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- 125000001931 aliphatic group Chemical group 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
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- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 4
- LVTJOONKWUXEFR-FZRMHRINSA-N protoneodioscin Natural products O(C[C@@H](CC[C@]1(O)[C@H](C)[C@@H]2[C@]3(C)[C@H]([C@H]4[C@@H]([C@]5(C)C(=CC4)C[C@@H](O[C@@H]4[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@@H](O)[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@H](CO)O4)CC5)CC3)C[C@@H]2O1)C)[C@H]1[C@H](O)[C@H](O)[C@H](O)[C@@H](CO)O1 LVTJOONKWUXEFR-FZRMHRINSA-N 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
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- 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 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 125000003545 alkoxy group Chemical group 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 125000003368 amide group Chemical group 0.000 description 3
- 125000005577 anthracene group Chemical group 0.000 description 3
- 150000004982 aromatic amines Chemical class 0.000 description 3
- 125000006267 biphenyl group Chemical group 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229920001940 conductive polymer Polymers 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 3
- 125000005843 halogen group Chemical group 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 125000002560 nitrile group Chemical group 0.000 description 3
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 239000011787 zinc oxide Substances 0.000 description 3
- 235000014692 zinc oxide Nutrition 0.000 description 3
- SVPKNMBRVBMTLB-UHFFFAOYSA-N 2,3-dichloronaphthalene-1,4-dione Chemical class C1=CC=C2C(=O)C(Cl)=C(Cl)C(=O)C2=C1 SVPKNMBRVBMTLB-UHFFFAOYSA-N 0.000 description 2
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- ZRYZBQLXDKPBDU-UHFFFAOYSA-N 4-bromobenzaldehyde Chemical compound BrC1=CC=C(C=O)C=C1 ZRYZBQLXDKPBDU-UHFFFAOYSA-N 0.000 description 2
- ROFVEXUMMXZLPA-UHFFFAOYSA-N Bipyridyl Chemical group N1=CC=CC=C1C1=CC=CC=N1 ROFVEXUMMXZLPA-UHFFFAOYSA-N 0.000 description 2
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- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 229940126062 Compound A Drugs 0.000 description 2
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 2
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- OBLNWSCLAYSJJR-UHFFFAOYSA-N Quinoclamin Chemical class C1=CC=C2C(=O)C(N)=C(Cl)C(=O)C2=C1 OBLNWSCLAYSJJR-UHFFFAOYSA-N 0.000 description 2
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- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Natural products C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 2
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- UBJFKNSINUCEAL-UHFFFAOYSA-N lithium;2-methylpropane Chemical compound [Li+].C[C-](C)C UBJFKNSINUCEAL-UHFFFAOYSA-N 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 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 2
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- 125000004076 pyridyl group Chemical group 0.000 description 2
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- 238000002211 ultraviolet spectrum Methods 0.000 description 2
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- 150000003751 zinc Chemical class 0.000 description 2
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- VXWBQOJISHAKKM-UHFFFAOYSA-N (4-formylphenyl)boronic acid Chemical compound OB(O)C1=CC=C(C=O)C=C1 VXWBQOJISHAKKM-UHFFFAOYSA-N 0.000 description 1
- 125000006736 (C6-C20) aryl group Chemical group 0.000 description 1
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
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- WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical class CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 description 1
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- 125000002178 anthracenyl group Chemical group C1(=CC=CC2=CC3=CC=CC=C3C=C12)* 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical class ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 description 1
- UFVXQDWNSAGPHN-UHFFFAOYSA-K bis[(2-methylquinolin-8-yl)oxy]-(4-phenylphenoxy)alumane Chemical compound [Al+3].C1=CC=C([O-])C2=NC(C)=CC=C21.C1=CC=C([O-])C2=NC(C)=CC=C21.C1=CC([O-])=CC=C1C1=CC=CC=C1 UFVXQDWNSAGPHN-UHFFFAOYSA-K 0.000 description 1
- 229920001400 block copolymer Polymers 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
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
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- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 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
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical group C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
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- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
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- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthrene Chemical group C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 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
- 230000005283 ground state Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 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
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 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
- 238000007641 inkjet printing Methods 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000005956 isoquinolyl group Chemical group 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- DLEDOFVPSDKWEF-UHFFFAOYSA-N lithium butane Chemical compound [Li+].CCC[CH2-] DLEDOFVPSDKWEF-UHFFFAOYSA-N 0.000 description 1
- 238000004768 lowest unoccupied molecular orbital Methods 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000004776 molecular orbital Methods 0.000 description 1
- MZRVEZGGRBJDDB-UHFFFAOYSA-N n-Butyllithium Substances [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 1
- IBHBKWKFFTZAHE-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-1-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-1-amine Chemical group 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 1
- KPTRDYONBVUWPD-UHFFFAOYSA-N naphthalen-2-ylboronic acid Chemical compound C1=CC=CC2=CC(B(O)O)=CC=C21 KPTRDYONBVUWPD-UHFFFAOYSA-N 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229960003540 oxyquinoline Drugs 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002098 polyfluorene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 150000004032 porphyrins Chemical class 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 150000003141 primary amines Chemical group 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001725 pyrenyl group Chemical group 0.000 description 1
- MCJGNVYPOGVAJF-UHFFFAOYSA-N quinolin-8-ol Chemical compound C1=CN=C2C(O)=CC=CC2=C1 MCJGNVYPOGVAJF-UHFFFAOYSA-N 0.000 description 1
- WPYJKGWLDJECQD-UHFFFAOYSA-N quinoline-2-carbaldehyde Chemical compound C1=CC=CC2=NC(C=O)=CC=C21 WPYJKGWLDJECQD-UHFFFAOYSA-N 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- YYMBJDOZVAITBP-UHFFFAOYSA-N rubrene Chemical compound C1=CC=CC=C1C(C1=C(C=2C=CC=CC=2)C2=CC=CC=C2C(C=2C=CC=CC=2)=C11)=C(C=CC=C2)C2=C1C1=CC=CC=C1 YYMBJDOZVAITBP-UHFFFAOYSA-N 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 150000003413 spiro compounds Chemical class 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 235000021286 stilbenes Nutrition 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
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 description 1
- 125000006617 triphenylamine group Chemical group 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
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Description
本出願は、2005年7月22日に韓国特許庁に提出された韓国特許出願第10−2005−0066730号の出願日の利益を主張し、その内容の全ては本明細書に含まれる。
そこで、本発明は新規構造のイミダゾール誘導体、その製造方法およびそれを用いた有機電子素子を提供することを目的とする。
R1〜R6は、各々独立して、または同時に水素、置換または非置換のアルキル基、置換または非置換のアルコキシ基、置換または非置換のアルケニル基、置換または非置換のアリール基、置換または非置換のアリールアミン基、置換または非置換の複素環基、置換または非置換の脂肪族環基、置換または非置換のシリコン基、置換または非置換のホウ素基、アミノ基、ニトリル基、ニトロ基、ハロゲン基、アミド基、およびエステル基からなる群から選択され、
R7は、置換または非置換のアルキル基、置換または非置換のアリール基、置換または非置換の複素環基、置換または非置換の脂肪族環基、および置換または非置換のシリコン基からなる群から選択され、
R8は、置換または非置換のアルキル基、置換または非置換のアリール基、置換または非置換の複素環基からなる群から選択される。
また、本発明は、第1電極、第2電極、および前記第1電極と第2電極との間に配置された1層以上の有機物層を含む有機電子素子として、前記有機物層のうち1層以上が前記化学式1の化合物を含むものである有機電子素子を提供する。
前記化学式1の化合物は新規化合物であり、その置換基を詳細に説明すれば次の通りである。
前記化学式1のR1〜R8のうち、アルキル基は炭素数1〜30であることが好ましい。
前記化学式1のR1〜R6のうち、アルコキシ基およびアルケニル基は炭素数1〜30であることが好ましい。
前記化学式1のR1〜R8のうち、アリール基の例としてはフェニル基、ナフチル基、アントラセニル基、ビフェニル基、ピレニル基、ペリレニル基等があるが、これらだけに限定されるものではない。
前記化学式1のR1〜R6のうち、アリールアミン基の例としてはジフェニルアミン基、フェニルナフチルアミン基、ジトリルアミン基、フェニルトリルアミン基、カルバゾリル基、トリフェニルアミン基等があるが、これらだけに限定されるものではない。
前記化学式1のR1〜R8のうち、複素環基の例としてはピリジル基、ビピリジル基、アクリジニル基、チエニル基、イミダゾリル基、オキサゾリル基、チアゾリル基、またはキノリル基等があるが、これらだけに限定されるものではない。
前記化学式1のR1〜R6のうち、ハロゲン基の例としてはフッ素、塩素、ブロム、またはヨウ素がある。
本発明におけるR7は、置換または非置換のアルキル基、置換または非置換のシクロアルキル基、置換または非置換のアリール基、および置換または非置換のヘテロアリール基からなる群から選択されることが好ましい。前記アルキル基としては、メチル基、エチル基、プロピル基、イソプロピル基、ブチル基、tert−ブチル基、ペンチル基、ヘキシル基、ヘプチル基等がある。シクロアルキル基としては、シクロペンチル基、シクロヘキシル基等がある。前記アルキル基または、シクロアルキル基は炭素数1〜30の立体障害のないものが好ましいが、これらだけに限定されるものではない。前記アリール基としては、フェニル基、ビフェニル、ナフチル基等が好ましく、ピリジル基、ビピリジル基、キノリル基、イソキノリル基等のヘテロアリール基も好ましい。
R1とR2とは、同時に水素ではなく、各々水素、置換または非置換のアリール基、置換または非置換のアルケニル基、置換または非置換のアリールアミン基、および置換または非置換の複素環基からなる群から選択され、
R3〜R6は、各々水素、ニトリル基、置換または非置換のアリール基、置換または非置換のアリールアミン基、および置換または非置換の複素環基からなる群から選択され、
R7は、アルキル基、およびフェニル基、ビフェニル基、ナフチル基等のアリール基からなる群から選択され、
R8は、置換または非置換のアルキル基、置換または非置換のアリール基、置換または非置換の複素環基からなる群から選択されることが好ましい。
R1、R2およびR8はアリール基および複素環基からなる群から選択され、
R3〜R6は水素であり、
R7はアルキル基およびアリール基からなる群から選択されることがより好ましい。
例えば、前記化学式1の化合物は、
a)置換または非置換のナフトキノンの炭素2および3の位置に各々R7基を有するアミノ基、およびアミノ基(NH2)を導入し、このアミノ基(NH2)にR8基を導入するステップと、
b)前記a)ステップで得た化合物のうちR7基とR8基とが導入された部分を環状に連結させて、イミダゾール基を形成するステップと、
c)前記b)ステップで得た化合物をジアルコール誘導体に変換するステップと、
d)前記c)ステップで得た化合物を還元して、ナフタレン基を生成するステップと、を含む方法によって製造され得る。
a)置換または非置換のナフトキノンの炭素2および3の位置に各々R7基を有するアミノ基、およびアミノ基(NH2)を導入し、このアミノ基(NH2)にR8基を導入するステップと、
b)前記a)ステップで得た化合物のうちR7基とR8基とが導入された部分を環状に連結させて、イミダゾール基を形成するステップと、
c)前記b)ステップで得た化合物を還元して、ナフタレン基を生成するステップと、
d)前記c)ステップで得た化合物の炭素4、9の位置にブロモ基を導入するステップと、
e)ボロン酸を用いて、前記d)ステップで得た化合物のブロモ基が導入された位置に置換基を導入するステップと、
を含む方法によって製造され得る。
R1、R2、R7、およびR8は前記化学式1で定義した通りである。
MS:[M+H]+=284(Cl x 1)
MS:[M+H]+=429(Br x 1)
MS[M+H]+=455
Tg:195℃(2nd)
MS[M+H]+=841
MS[M+H]+=401
MS[M+H]+=371
MS[M+H]+=526(Br x 2)
MS[M+H]+=623
Tg:195℃、 Tm:N.D(2nd)
MS:[M+H]+=511
1.化学式49Gの化合物の合成
2−アミノ−3−クロロ−1,4−ナフトキノン(4.4g、21.2mmol)、および無水酢酸60mLの混合物に、98%の硫酸2mLを滴加した後、室温で3時間攪拌した。形成された沈殿物を濾過し、十分に水で洗った後、乾燥させて下記化学式49Gの化合物(3.3g、収率63%)を製造した。
前記化学式49Gの化合物(3.3g、13.3mmol)に、アニリン(1.68g、18mmol)とトルエン70mLとを入れ、室温で16時間攪拌した。反応液にノルマルヘキサン100mLを入れ、10分間攪拌および濾過して乾燥し、下記化学式49Hの中間体(3.2g、収率92%)を製造した。
MS[M−H]−=305、MS[M+H]+=307
前記化学式49Hの化合物(3.2g、12.2mmol)に2N NaOH30mL、エタノール100mLを入れ、30分間加熱攪拌した。形成した薄緑色の固体を濾過し、水、エタノールで順次洗浄した後乾燥し、下記化学式49Cの化合物(2.3g、収率66%)を製造した。
続いて、前記化学式49Cの化合物を用いて、前述した化学式10D、そして化学式1−10の化合物の製造方法のとおり実施し、下記化学式1−49の化合物(1.7g)を得た。その質量分析の結果は次のようになる。
ITO(indium tin oxide)が1500Åの厚さで薄膜コーティングされたガラス基板を、洗剤を溶かした蒸溜水に入れて超音波で洗浄した。この時、洗剤にはフィッシャー(Fischer Co.)社の製品を用い、蒸溜水にはミリポア(Millipore Co.)社製品のフィルタで2回濾過した蒸留水を使用した。ITOを30分間洗浄した後、蒸溜水で2回繰り返して、超音波洗浄を10分間行った。蒸溜水洗浄が終わった後、イソプロピルアルコール、アセトン、メタノールの溶剤で超音波洗浄をして乾燥させた後、プラズマ洗浄機に輸送した。酸素プラズマを用いて前記基板を5分間洗浄した後、真空蒸着機に基板を輸送した。
このように準備されたITO透明電極の上に、ヘキサニトリルヘキサアザトリフェニレンを500Åの厚さで熱真空蒸着して、正孔注入層を形成した。その上に正孔を輸送する物質であるNPB(400Å)を真空蒸着した後、発光層としてAlq3化合物を300Åの厚さで真空蒸着した。
前記の過程で有機物の蒸着速度は1Å/secを維持し、フッ化リチウムは0.2Å/sec、アルミニウムは3〜7Å/secの蒸着速度を維持した。
前記で製造された有機発光素子に6.7Vの順方向の電界を加えた結果、50mA/cm2の電流密度において1931CIE color coordinateの基準でx=0.34、y=0.51に該当する緑色光が観察され、7.7Vの順方向の電界を加えた結果、100mA/cm2の電流密度において3.9cd/Aの緑色光が観察された。
実験例1のように、準備したITO電極の上にヘキサニトリルヘキサアザトリフェニレン(500Å)、4,4’−ビス[N−(1−ナフチル)−N−フェニルアミノ]ビフェニル(NPB)(400Å)、および前記実施例2で製造した化学式1−13の化合物(200Å)、Alq3(300Å)を順次に熱真空蒸着して、正孔注入層、正孔輸送層、発光層、電子輸送層を順に形成した。前記電子輸送層上に12Åの厚さのフッ化リチウム(LiF)と2000Åの厚さのアルミニウムとを順次蒸着して陰極を形成し、有機発光素子を製造した。
前記で製造した有機発光素子に6.2Vの順方向の電界を加えた結果、50mA/cm2の電流密度において1931CIE color coordinateの基準でx=0.16、y=0.2に該当する青色光が観察され、6.7Vの順方向の電界を加えた結果、100mA/cm2の電流密度において2.3cd/Aの青色光が観察された。
Claims (11)
- 下記化学式1で示されるイミダゾール誘導体:
R1およびR2は、各々、アリール基で置換されたアルケニル基;アルケニル基、アリール基、複素環基、もしくは−CNで置換されたかまたは非置換のアリール基;アリール基もしくは複素環基で置換されたかまたは非置換の複素環基からなる群から選択され、
R3からR6は、水素であり、
R7は、アルキル基およびアリール基からなる群から選択され、
R8は、アルキル基;アルキル基、アルケニル基、アリール基、複素環基、−CN、−BRR’、もしくは−SiRR’R”で置換されたかまたは非置換のアリール基からなる群から選択され、ここでR、R’およびR”は互いに同一または相異なり、独立に、アルキル基で置換されたかまたは非置換のアリール基から選択される。 - R1、R2およびR8は、アリール基および複素環基からなる群から選択され、
R3〜R6は、水素であり、
R7は、アルキル基およびアリール基からなる群から選択される、請求項1に記載のイミダゾール誘導体。 - 第1電極、第2電極、および前記第1電極と第2電極との間に配置された1層以上の有機物層を含む有機電子素子であって、前記有機物層のうち1層以上は下記化学式1の化合物を含む有機電子素子:
R1およびR2は、各々、アリール基で置換されたアルケニル基;アルケニル基、アリール基、複素環基、もしくは−CNで置換されたかまたは非置換のアリール基;アリール基もしくは複素環基で置換されたかまたは非置換の複素環基からなる群から選択され、
R3からR6は、水素であり、
R7は、アルキル基およびアリール基からなる群から選択され、
R8は、アルキル基;アルキル基、アルケニル基、アリール基、複素環基、−CN、−BRR’、もしくは−SiRR’R”で置換されたかまたは非置換のアリール基からなる群から選択され、ここでR、R’およびR”は互いに同一または相異なり、独立に、アルキル基で置換されたかまたは非置換のアリール基から選択される。 - 前記有機物層は、電子注入および輸送層を含み、前記電子注入および輸送層が前記化学式1の化合物を含む、請求項4に記載の有機電子素子。
- 前記有機物層は、発光層を含み、前記発光層が前記化学式1の化合物を含む、請求項4に記載の有機電子素子。
- 前記有機物層は、正孔輸送層を含み、前記正孔輸送層が前記化学式1の化合物を含む、請求項4に記載の有機電子素子。
- 前記有機物層は、電子注入および輸送と発光を同時に行う層を含み、前記層が前記化学式1の化合物を含む、請求項4に記載の有機電子素子。
- 前記有機電子素子は、有機発光素子、有機太陽電池、有機感光体(OPC)、有機トランジスタからなる群から選択される、請求項4に記載の有機電子素子。
- a)置換または非置換のナフトキノンの炭素2および3位置に、各々R7基を有するアミノ基、およびアミノ基(NH2)を導入して、前記アミノ基(NH2)にR8基を導入するステップと、
b)前記a)ステップで得た化合物のうち、R7基とR8基とが導入された部分を環状に連結させて、イミダゾール基を形成するステップと、
c)前記b)ステップで得た化合物を、ジアルコール誘導体に転換させるステップと、
d)前記c)ステップで得た化合物を還元して、ナフタレン基を生成するステップとを含む、請求項1の化学式1の化合物の製造方法。 - a)置換または非置換のナフトキノンの炭素2、および3位置に、各々R7基を有するアミノ基、およびアミノ基(NH2)を導入して、このアミノ基(NH2)にR8基を導入するステップと、
b)前記a)ステップで得た化合物のうち、R7基とR8基とが導入された部分を環状に連結させ、イミダゾール基を形成するステップと、
c)前記b)ステップで得た化合物を還元して、ナフタレン基を生成するステップと、
d)前記c)ステップで得た化合物の炭素4、9位置にブロモ基を導入するステップと、
e)ボロン酸を用いて、前記d)ステップで得た化合物のブロモ基が導入された位置に置換基を導入するステップとを含む、請求項1の化学式1の化合物の製造方法。
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KR20070012220A (ko) | 2007-01-25 |
US20070018155A1 (en) | 2007-01-25 |
US8187727B2 (en) | 2012-05-29 |
CN101090893A (zh) | 2007-12-19 |
EP1907366A1 (en) | 2008-04-09 |
TWI364416B (en) | 2012-05-21 |
TW200738648A (en) | 2007-10-16 |
EP1907366B1 (en) | 2010-04-28 |
WO2007011170A9 (en) | 2011-06-16 |
KR100765078B1 (ko) | 2007-10-09 |
DE602006013985D1 (de) | 2010-06-10 |
JP2008531469A (ja) | 2008-08-14 |
WO2007011170A1 (en) | 2007-01-25 |
EP1907366A4 (en) | 2008-08-06 |
CN101090893B (zh) | 2012-05-30 |
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