JP5990515B2 - ジベンゾフラン化合物と8−ヒドロキシキノリノラトアルカリ土類金属錯体または8−ヒドロキシキノリノラトアルカリ金属錯体との層を含む、有機電子デバイス - Google Patents
ジベンゾフラン化合物と8−ヒドロキシキノリノラトアルカリ土類金属錯体または8−ヒドロキシキノリノラトアルカリ金属錯体との層を含む、有機電子デバイス Download PDFInfo
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- JP5990515B2 JP5990515B2 JP2013514718A JP2013514718A JP5990515B2 JP 5990515 B2 JP5990515 B2 JP 5990515B2 JP 2013514718 A JP2013514718 A JP 2013514718A JP 2013514718 A JP2013514718 A JP 2013514718A JP 5990515 B2 JP5990515 B2 JP 5990515B2
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- -1 dibenzofuran compound Chemical class 0.000 title claims description 57
- 229910052783 alkali metal Inorganic materials 0.000 title claims description 8
- 150000001340 alkali metals Chemical class 0.000 title claims description 8
- 229910052784 alkaline earth metal Inorganic materials 0.000 title claims description 8
- 150000001342 alkaline earth metals Chemical class 0.000 title claims description 8
- TXCDCPKCNAJMEE-UHFFFAOYSA-N Dibenzofuran Natural products C1=CC=C2C3=CC=CC=C3OC2=C1 TXCDCPKCNAJMEE-UHFFFAOYSA-N 0.000 title description 13
- 150000001875 compounds Chemical class 0.000 claims description 68
- 229910052741 iridium Inorganic materials 0.000 claims description 34
- 230000005525 hole transport Effects 0.000 claims description 30
- 125000006702 (C1-C18) alkyl group Chemical group 0.000 claims description 27
- 239000003446 ligand Substances 0.000 claims description 27
- HZVOZRGWRWCICA-UHFFFAOYSA-N methanediyl Chemical compound [CH2] HZVOZRGWRWCICA-UHFFFAOYSA-N 0.000 claims description 27
- 238000002347 injection Methods 0.000 claims description 26
- 239000007924 injection Substances 0.000 claims description 26
- 125000000217 alkyl group Chemical group 0.000 claims description 25
- 125000003118 aryl group Chemical group 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 24
- 125000001072 heteroaryl group Chemical group 0.000 claims description 23
- 125000005561 phenanthryl group Chemical group 0.000 claims description 22
- 125000001725 pyrenyl group Chemical group 0.000 claims description 22
- 125000005509 dibenzothiophenyl group Chemical group 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 18
- 125000000714 pyrimidinyl group Chemical group 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 13
- 125000004306 triazinyl group Chemical group 0.000 claims description 13
- 125000000732 arylene group Chemical group 0.000 claims description 12
- 125000002524 organometallic group Chemical group 0.000 claims description 12
- 125000003960 triphenylenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C3=CC=CC=C3C12)* 0.000 claims description 12
- 125000005549 heteroarylene group Chemical group 0.000 claims description 11
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 claims description 8
- 125000001424 substituent group Chemical group 0.000 claims description 8
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 claims description 8
- NLFBCYMMUAKCPC-KQQUZDAGSA-N ethyl (e)-3-[3-amino-2-cyano-1-[(e)-3-ethoxy-3-oxoprop-1-enyl]sulfanyl-3-oxoprop-1-enyl]sulfanylprop-2-enoate Chemical compound CCOC(=O)\C=C\SC(=C(C#N)C(N)=O)S\C=C\C(=O)OCC NLFBCYMMUAKCPC-KQQUZDAGSA-N 0.000 claims description 7
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 7
- 239000011698 potassium fluoride Substances 0.000 claims description 7
- 229910000476 molybdenum oxide Inorganic materials 0.000 claims description 5
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 claims description 5
- DYIZHKNUQPHNJY-UHFFFAOYSA-N oxorhenium Chemical compound [Re]=O DYIZHKNUQPHNJY-UHFFFAOYSA-N 0.000 claims description 5
- 229910052700 potassium Inorganic materials 0.000 claims description 5
- 235000003270 potassium fluoride Nutrition 0.000 claims description 5
- 229910003449 rhenium oxide Inorganic materials 0.000 claims description 5
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 125000005915 C6-C14 aryl group Chemical group 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910052703 rhodium Inorganic materials 0.000 claims description 3
- 229910052707 ruthenium Inorganic materials 0.000 claims description 3
- DJHGAFSJWGLOIV-UHFFFAOYSA-K Arsenate3- Chemical class [O-][As]([O-])([O-])=O DJHGAFSJWGLOIV-UHFFFAOYSA-K 0.000 claims description 2
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 150000001993 dienes Chemical class 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 150000002825 nitriles Chemical class 0.000 claims description 2
- 150000003003 phosphines Chemical class 0.000 claims description 2
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 claims description 2
- 150000003222 pyridines Chemical class 0.000 claims description 2
- 229910052702 rhenium Inorganic materials 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 229910052713 technetium Inorganic materials 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 167
- 230000032258 transport Effects 0.000 description 50
- 239000000463 material Substances 0.000 description 49
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 31
- 229910052757 nitrogen Inorganic materials 0.000 description 29
- 239000011159 matrix material Substances 0.000 description 19
- 239000012044 organic layer Substances 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 14
- 239000007983 Tris buffer Substances 0.000 description 11
- FQHFBFXXYOQXMN-UHFFFAOYSA-M lithium;quinolin-8-olate Chemical compound [Li+].C1=CN=C2C([O-])=CC=CC2=C1 FQHFBFXXYOQXMN-UHFFFAOYSA-M 0.000 description 11
- 239000000758 substrate Substances 0.000 description 11
- 0 C*(C=CC(C1=NC#C)=C*)C=C1O Chemical compound C*(C=CC(C1=NC#C)=C*)C=C1O 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
- 150000002739 metals Chemical class 0.000 description 10
- 229910052717 sulfur Inorganic materials 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000007740 vapor deposition Methods 0.000 description 7
- IXHWGNYCZPISET-UHFFFAOYSA-N 2-[4-(dicyanomethylidene)-2,3,5,6-tetrafluorocyclohexa-2,5-dien-1-ylidene]propanedinitrile Chemical compound FC1=C(F)C(=C(C#N)C#N)C(F)=C(F)C1=C(C#N)C#N IXHWGNYCZPISET-UHFFFAOYSA-N 0.000 description 6
- 125000000753 cycloalkyl group Chemical group 0.000 description 6
- 125000000592 heterocycloalkyl group Chemical group 0.000 description 6
- IMKMFBIYHXBKRX-UHFFFAOYSA-M lithium;quinoline-2-carboxylate Chemical compound [Li+].C1=CC=CC2=NC(C(=O)[O-])=CC=C21 IMKMFBIYHXBKRX-UHFFFAOYSA-M 0.000 description 6
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 5
- 125000004122 cyclic group Chemical group 0.000 description 5
- 125000005842 heteroatom Chemical group 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- LZHVTCXAXYYCIF-UHFFFAOYSA-N 2-n',2-n',7-n',7-n'-tetrakis(4-methoxyphenyl)-9,9'-spirobi[fluorene]-2',7'-diamine Chemical compound C1=CC(OC)=CC=C1N(C=1C=C2C3(C4=CC=CC=C4C4=CC=CC=C43)C3=CC(=CC=C3C2=CC=1)N(C=1C=CC(OC)=CC=1)C=1C=CC(OC)=CC=1)C1=CC=C(OC)C=C1 LZHVTCXAXYYCIF-UHFFFAOYSA-N 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- 125000004429 atom Chemical group 0.000 description 4
- 239000002800 charge carrier Substances 0.000 description 4
- MILUBEOXRNEUHS-UHFFFAOYSA-N iridium(3+) Chemical compound [Ir+3] MILUBEOXRNEUHS-UHFFFAOYSA-N 0.000 description 4
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 4
- LYKXFSYCKWNWEZ-UHFFFAOYSA-N pyrazino[2,3-f][1,10]phenanthroline-2,3-dicarbonitrile Chemical compound N1=CC=CC2=C(N=C(C(C#N)=N3)C#N)C3=C(C=CC=N3)C3=C21 LYKXFSYCKWNWEZ-UHFFFAOYSA-N 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 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 3
- DIVZFUBWFAOMCW-UHFFFAOYSA-N 4-n-(3-methylphenyl)-1-n,1-n-bis[4-(n-(3-methylphenyl)anilino)phenyl]-4-n-phenylbenzene-1,4-diamine Chemical compound CC1=CC=CC(N(C=2C=CC=CC=2)C=2C=CC(=CC=2)N(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)=C1 DIVZFUBWFAOMCW-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 125000005595 acetylacetonate group Chemical group 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- HASCQPSFPAKVEK-UHFFFAOYSA-N dimethyl(phenyl)phosphine Chemical compound CP(C)C1=CC=CC=C1 HASCQPSFPAKVEK-UHFFFAOYSA-N 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 238000004770 highest occupied molecular orbital Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 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 3
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- MQZFZDIZKWNWFX-UHFFFAOYSA-N osmium(2+) Chemical compound [Os+2] MQZFZDIZKWNWFX-UHFFFAOYSA-N 0.000 description 3
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 3
- 125000006413 ring segment Chemical group 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
- 238000003786 synthesis reaction Methods 0.000 description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 3
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 3
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical compound C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 description 3
- XOYZGLGJSAZOAG-UHFFFAOYSA-N 1-n,1-n,4-n-triphenyl-4-n-[4-[4-(n-[4-(n-phenylanilino)phenyl]anilino)phenyl]phenyl]benzene-1,4-diamine Chemical compound C1=CC=CC=C1N(C=1C=CC(=CC=1)N(C=1C=CC=CC=1)C=1C=CC(=CC=1)C=1C=CC(=CC=1)N(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 XOYZGLGJSAZOAG-UHFFFAOYSA-N 0.000 description 2
- IYZMXHQDXZKNCY-UHFFFAOYSA-N 1-n,1-n-diphenyl-4-n,4-n-bis[4-(n-phenylanilino)phenyl]benzene-1,4-diamine Chemical compound C1=CC=CC=C1N(C=1C=CC(=CC=1)N(C=1C=CC(=CC=1)N(C=1C=CC=CC=1)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 IYZMXHQDXZKNCY-UHFFFAOYSA-N 0.000 description 2
- QVDYERLGSGAPKP-UHFFFAOYSA-N 1-n,4-n-dinaphthalen-2-yl-1-n,4-n-diphenylbenzene-1,4-diamine Chemical compound C1=CC=CC=C1N(C=1C=C2C=CC=CC2=CC=1)C1=CC=C(N(C=2C=CC=CC=2)C=2C=C3C=CC=CC3=CC=2)C=C1 QVDYERLGSGAPKP-UHFFFAOYSA-N 0.000 description 2
- MQRCTQVBZYBPQE-UHFFFAOYSA-N 189363-47-1 Chemical compound C1=CC=CC=C1N(C=1C=C2C3(C4=CC(=CC=C4C2=CC=1)N(C=1C=CC=CC=1)C=1C=CC=CC=1)C1=CC(=CC=C1C1=CC=C(C=C13)N(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 MQRCTQVBZYBPQE-UHFFFAOYSA-N 0.000 description 2
- GEQBRULPNIVQPP-UHFFFAOYSA-N 2-[3,5-bis(1-phenylbenzimidazol-2-yl)phenyl]-1-phenylbenzimidazole Chemical compound C1=CC=CC=C1N1C2=CC=CC=C2N=C1C1=CC(C=2N(C3=CC=CC=C3N=2)C=2C=CC=CC=2)=CC(C=2N(C3=CC=CC=C3N=2)C=2C=CC=CC=2)=C1 GEQBRULPNIVQPP-UHFFFAOYSA-N 0.000 description 2
- QZTQQBIGSZWRGI-UHFFFAOYSA-N 2-n',7-n'-bis(3-methylphenyl)-2-n',7-n'-diphenyl-9,9'-spirobi[fluorene]-2',7'-diamine Chemical compound CC1=CC=CC(N(C=2C=CC=CC=2)C=2C=C3C4(C5=CC=CC=C5C5=CC=CC=C54)C4=CC(=CC=C4C3=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)=C1 QZTQQBIGSZWRGI-UHFFFAOYSA-N 0.000 description 2
- ZDAWFMCVTXSZTC-UHFFFAOYSA-N 2-n',7-n'-dinaphthalen-1-yl-2-n',7-n'-diphenyl-9,9'-spirobi[fluorene]-2',7'-diamine 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)C23C4=CC=CC=C4C4=CC=CC=C43)C2=C1 ZDAWFMCVTXSZTC-UHFFFAOYSA-N 0.000 description 2
- BXSXNLBKCNVUGA-UHFFFAOYSA-N 2-n,2-n,2-n',2-n'-tetrakis(4-methoxyphenyl)-9,9'-spirobi[fluorene]-2,2'-diamine Chemical compound C1=CC(OC)=CC=C1N(C=1C=C2C3(C4=CC(=CC=C4C4=CC=CC=C43)N(C=3C=CC(OC)=CC=3)C=3C=CC(OC)=CC=3)C3=CC=CC=C3C2=CC=1)C1=CC=C(OC)C=C1 BXSXNLBKCNVUGA-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
- VQGHOUODWALEFC-UHFFFAOYSA-N 2-phenylpyridine Chemical compound C1=CC=CC=C1C1=CC=CC=N1 VQGHOUODWALEFC-UHFFFAOYSA-N 0.000 description 2
- FSEXLNMNADBYJU-UHFFFAOYSA-N 2-phenylquinoline Chemical compound C1=CC=CC=C1C1=CC=C(C=CC=C2)C2=N1 FSEXLNMNADBYJU-UHFFFAOYSA-N 0.000 description 2
- 125000004105 2-pyridyl group Chemical group N1=C([*])C([H])=C([H])C([H])=C1[H] 0.000 description 2
- OGGKVJMNFFSDEV-UHFFFAOYSA-N 3-methyl-n-[4-[4-(n-(3-methylphenyl)anilino)phenyl]phenyl]-n-phenylaniline Chemical compound CC1=CC=CC(N(C=2C=CC=CC=2)C=2C=CC(=CC=2)C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)=C1 OGGKVJMNFFSDEV-UHFFFAOYSA-N 0.000 description 2
- DHDHJYNTEFLIHY-UHFFFAOYSA-N 4,7-diphenyl-1,10-phenanthroline Chemical compound C1=CC=CC=C1C1=CC=NC2=C1C=CC1=C(C=3C=CC=CC=3)C=CN=C21 DHDHJYNTEFLIHY-UHFFFAOYSA-N 0.000 description 2
- WPUSEOSICYGUEW-UHFFFAOYSA-N 4-[4-(4-methoxy-n-(4-methoxyphenyl)anilino)phenyl]-n,n-bis(4-methoxyphenyl)aniline Chemical compound C1=CC(OC)=CC=C1N(C=1C=CC(=CC=1)C=1C=CC(=CC=1)N(C=1C=CC(OC)=CC=1)C=1C=CC(OC)=CC=1)C1=CC=C(OC)C=C1 WPUSEOSICYGUEW-UHFFFAOYSA-N 0.000 description 2
- AWXGSYPUMWKTBR-UHFFFAOYSA-N 4-carbazol-9-yl-n,n-bis(4-carbazol-9-ylphenyl)aniline Chemical compound C12=CC=CC=C2C2=CC=CC=C2N1C1=CC=C(N(C=2C=CC(=CC=2)N2C3=CC=CC=C3C3=CC=CC=C32)C=2C=CC(=CC=2)N2C3=CC=CC=C3C3=CC=CC=C32)C=C1 AWXGSYPUMWKTBR-UHFFFAOYSA-N 0.000 description 2
- ZOKIJILZFXPFTO-UHFFFAOYSA-N 4-methyl-n-[4-[1-[4-(4-methyl-n-(4-methylphenyl)anilino)phenyl]cyclohexyl]phenyl]-n-(4-methylphenyl)aniline Chemical compound C1=CC(C)=CC=C1N(C=1C=CC(=CC=1)C1(CCCCC1)C=1C=CC(=CC=1)N(C=1C=CC(C)=CC=1)C=1C=CC(C)=CC=1)C1=CC=C(C)C=C1 ZOKIJILZFXPFTO-UHFFFAOYSA-N 0.000 description 2
- UHBIKXOBLZWFKM-UHFFFAOYSA-N 8-hydroxy-2-quinolinecarboxylic acid Chemical group C1=CC=C(O)C2=NC(C(=O)O)=CC=C21 UHBIKXOBLZWFKM-UHFFFAOYSA-N 0.000 description 2
- YUBXDAMWVRMLOG-UHFFFAOYSA-N 9,9-dimethyl-2-n,7-n-bis(3-methylphenyl)-2-n,7-n-diphenylfluorene-2,7-diamine Chemical compound CC1=CC=CC(N(C=2C=CC=CC=2)C=2C=C3C(C)(C)C4=CC(=CC=C4C3=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)=C1 YUBXDAMWVRMLOG-UHFFFAOYSA-N 0.000 description 2
- VFUDMQLBKNMONU-UHFFFAOYSA-N 9-[4-(4-carbazol-9-ylphenyl)phenyl]carbazole Chemical group C12=CC=CC=C2C2=CC=CC=C2N1C1=CC=C(C=2C=CC(=CC=2)N2C3=CC=CC=C3C3=CC=CC=C32)C=C1 VFUDMQLBKNMONU-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 101000837344 Homo sapiens T-cell leukemia translocation-altered gene protein Proteins 0.000 description 2
- 102100028692 T-cell leukemia translocation-altered gene protein Human genes 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001339 alkali metal compounds Chemical class 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
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- 125000002958 pentadecyl 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])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004934 phenanthridinyl group Chemical group C1(=CC=CC2=NC=C3C=CC=CC3=C12)* 0.000 description 1
- 125000004625 phenanthrolinyl group Chemical group N1=C(C=CC2=CC=C3C=CC=NC3=C12)* 0.000 description 1
- 125000001791 phenazinyl group Chemical group C1(=CC=CC2=NC3=CC=CC=C3N=C12)* 0.000 description 1
- 125000001484 phenothiazinyl group Chemical group C1(=CC=CC=2SC3=CC=CC=C3NC12)* 0.000 description 1
- 125000004592 phthalazinyl group Chemical group C1(=NN=CC2=CC=CC=C12)* 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- SIOXPEMLGUPBBT-UHFFFAOYSA-M picolinate Chemical compound [O-]C(=O)C1=CC=CC=N1 SIOXPEMLGUPBBT-UHFFFAOYSA-M 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 125000001042 pteridinyl group Chemical group N1=C(N=CC2=NC=CN=C12)* 0.000 description 1
- 125000000561 purinyl group Chemical group N1=C(N=C2N=CNC2=C1)* 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 150000003220 pyrenes Chemical class 0.000 description 1
- 125000005548 pyrenylene group Chemical group 0.000 description 1
- 125000002098 pyridazinyl group Chemical group 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Substances C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 125000005493 quinolyl group Chemical group 0.000 description 1
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000004079 stearyl 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])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])[H] 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 125000004627 thianthrenyl group Chemical group C1(=CC=CC=2SC3=CC=CC=C3SC12)* 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 239000010409 thin film Substances 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
- 150000003918 triazines Chemical class 0.000 description 1
- 125000005559 triazolylene group Chemical group 0.000 description 1
- 125000002889 tridecyl 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])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- RFDGVZHLJCKEPT-UHFFFAOYSA-N tris(2,4,6-trimethyl-3-pyridin-3-ylphenyl)borane Chemical compound CC1=C(B(C=2C(=C(C=3C=NC=CC=3)C(C)=CC=2C)C)C=2C(=C(C=3C=NC=CC=3)C(C)=CC=2C)C)C(C)=CC(C)=C1C1=CC=CN=C1 RFDGVZHLJCKEPT-UHFFFAOYSA-N 0.000 description 1
- 125000002948 undecyl 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])C([H])([H])C([H])([H])[H] 0.000 description 1
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Description
L2およびL3は独立に、化学結合、または(C1〜C60)アルキレンオキシ、(C1〜C60)アルキレンチオ、(C6〜C60)アリーレンオキシ、(C6〜C60)アリーレンチオ、(C6〜C60)アリーレンまたは(C3〜C60)ヘテロアリーレン(N、OおよびSから選択される1種以上のヘテロ原子を含む)を表し;
Ar1は、NR41R42、(C6〜C60)アリール、(C3〜C60)ヘテロアリール(N、OおよびSから選択される1種以上のヘテロ原子を含む)、N、OおよびSから選択される1種以上のヘテロ原子を含む5員または6員のヘテロシクロアルキル、(C3〜C60)シクロアルキル、アダマンチル、(C7〜C60)ビシクロアルキル、または以下の構造体から選択される置換基を表し:さらに
xは1〜4の整数である]
によって表される。リチウムキノレート(Liq)は、実施例1で電子注入物質として使用されている。
[式中、
R1およびR2は互いに独立に、F、C1〜C8アルキル、またはC6〜C14アリール(これらは、場合により1つ以上のC1〜C8アルキル基で置換されていてよい)であるか、または2つの置換基R1および/またはR2が組み合わさって縮合ベンゼン環基(これは、場合により1つ以上のC1〜C8アルキル基で置換されていてよい)を形成し、
aおよびbは互いに独立に0または整数1〜3であり、
R81は、フェナントリル、ピレニル、トリフェニレニル、1,10−フェナントロリニル、トリアジニル、ジベンゾチオフェニル、またはピリミジニル(これらはそれぞれ、場合により1つ以上のC1〜C18アルキル、C6〜C14アリール、またはC2〜C20ヘテロアリール基で置換されていてよい)であり、
R82は、フェナントリル、ピレニル、トリフェニレニル、1,10−フェナントロリニル、トリアジニル、ジベンゾチオフェニル、またはピリミジニル(これらはそれぞれ、場合により1つ以上のC1〜C18アルキル、C6〜C14アリール、またはC2〜C20ヘテロアリール基で置換されていてよい)であり、
R91は、フェナントリル、ピレニル、トリフェニレニル、1,10−フェナントロリニル、トリアジニル、ジベンゾチオフェニル、ピリミジニル、またはジベンゾフラニル(これらはそれぞれ、場合により1つ以上のC1〜C18アルキル、C6〜C14アリール、またはC2〜C20ヘテロアリール基で置換されていてよい)であり、
R92は、H、フェナントリル、ピレニル、トリフェニレニル、1,10−フェナントロリニル、トリアジニル、ジベンゾチオフェニル、またはピリミジニル(これらはそれぞれ、場合により1つ以上のC1〜C18アルキル、C6〜C14アリール、またはC2〜C20ヘテロアリール基で置換されていてよい)であり、
Aは、単結合、アリーレン、またはヘテロアリーレン基(これらはそれぞれ、場合により1つ以上のC1〜C18アルキル基で置換されていてよい)であるか;あるいは−SiR83R84−(ここで、R83およびR84は互いに独立に、C1〜C18アルキル、またはC6〜C14アリール基であり、これらは、場合により1つ以上のC1〜C18アルキル基で置換されていてよい)であり;
Mは、アルカリ金属原子、またはアルカリ土類金属原子であり、
nは、Mがアルカリ金属原子である場合は1であり、nは、Mがアルカリ土類金属原子である場合は2である]
とを含む有機電子デバイスによって、解決された。
したがって本発明の有機発光ダイオード(OLED)は一般に以下の構造を有する:
陽極(An)および陰極(Ka)、および陽極(An)と陰極(Ka)との間に配置された発光層E、および陰極Kaと発光層Eとの間に配置された電子輸送層。
1.陽極
2.正孔輸送層
3.発光層
4.正孔/励起子用のブロッキング層
5.電子輸送層
6.陰極。
M1は、Co、Rh、Ir、Nb、Pd、Pt、Fe、Ru、Os、Cr、Mo、W、Mn、Tc、Re、Cu、AgおよびAu(それぞれの金属原子にとって可能な任意の酸化状態にある)からなる群から選択される金属原子であり;
カルベンは、非荷電またはモノアニオン性であってよくかつ単座、二座または三座であってよいカルベン配位子であり、当該カルベン配位子はまた、ビスカルベンまたはトリスカルベンの配位子であることもでき;
Lは、単座であっても二座であってもよい、モノアニオン性またはジアニオン性の配位子であり;
Kは、ホスフィン類;ホスホネート類およびその誘導体、アルセナート類およびその誘導体;ホスファイト類;CO;ピリジン類;ニトリル類および共役ジエン(M1とのπ錯体を形成する)からなる群から選択される非荷電の単座または二座配位子であり;
n1は、カルベン配位子の数であって、n1は少なくとも1であり、n1>1の場合、式Iの錯体におけるカルベン配位子は、同一であっても異なっていてもよく;
mは、配位子Lの数であって、mは0または≧1であってよく、m>1である場合、配位子Lは同一であっても異なっていてもよく;
oは、配位子Kの数であって、oは0または≧1であってよく、o>1である場合、配位子Kは同一であっても異なっていてもよく;
ここで、n1+m+oの合計は、金属原子の酸化状態および配位数、および配位子であるカルベン、LおよびKのデンティシティー(denticity)、さらにまた配位子であるカルベンおよびLの電荷に依存するが、但し、n1が少なくとも1であることを条件とする]
の化合物を含む。
Xは、NR、S、OまたはPRであり;
Rは、アリール、ヘテロアリール、アルキル、シクロアルキル、またはヘテロシクロアルキルであり;
A1は、−NR6R7、−P(O)R8R9、−PR10R11、−S(O)2R12、−S(O)R13、−SR14、または−OR15であり;
R21、R22およびR23は互いに独立に、アリール、ヘテロアリール、アルキル、シクロアルキル、またはヘテロシクロアルキルであって、ここで、基R1、R2、またはR3の少なくとも1つがアリールまたはヘテロアリールであり;
R4およびR5は互いに独立に、アルキル、シクロアルキル、ヘテロシクロアルキル、アリール、ヘテロアリール、基A1、あるいは供与体特性または受容体特性を有する基であり;
n2およびm1は互いに独立に、0、1、2、または3であり;
R6、R7は、窒素原子と一緒になって、3〜10個の環原子を有する環状残基を形成し、その環状残基は、非置換であってよいか、またはアルキル、シクロアルキル、ヘテロシクロアルキル、アリール、ヘテロアリールおよび供与体特性または受容体特性を有する基から選択される1つ以上の置換基で置換されていてよく、かつ/または3〜10個の環原子を有する1つ以上の更なる環状残基が環付加されていてもよく、ここで、環付加残基は非置換であっても、あるいはアルキル、シクロアルキル、ヘテロシクロアルキル、アリール、ヘテロアリールおよび供与体特性または受容体特性を有する基から選択される1つ以上の置換基で置換されていてもよく;さらに
R8、R9、R10、R11、R12、R13、R14およびR15は互いに独立に、アリール、ヘテロアリール、アルキル、シクロアルキル、またはヘテロシクロアルキルである]。式Xの化合物、例えば、
− 陽極(1)と正孔輸送層(2)との間の正孔注入層;
− 正孔輸送層(2)と発光層(3)との間の電子用ブロッキング層;
− 電子輸送層(5)と陰極(6)との間の電子注入層。
比較応用例1
陽極として使用するITO基材は、まずLCD製造用の市販の洗浄剤(Deconex(登録商標)20NS、および25ORGAN−ACID(登録商標)中和剤)で清浄にし、その後、超音波洗浄機中のアセトン/イソプロパノール混合物に入れる。考えられるあらゆる有機残留物を除去するため、基材をさらに25分間、オゾンオーブン中の連続オゾン流に暴露する。この処理により、ITOの正孔注入特性も改善される。その後、AJ20−1000(Plexcoreから市販されている)をスピンコートし、乾燥させて正孔注入層(約40nm)を形成する。
BCPとLiqの混合物の代わりに化合物A−10のみを使用する以外は、比較応用例1のようなOLEDの製造および構成。
BCPとLiqの混合物の代わりにLiqのみを使用する以外は、比較応用例1のようなOLEDの製造および構成。
BCPとLiqの混合物の代わりに化合物A−10を使用し、フッ化カリウムの代わりにLiqを使用する以外は、比較応用例1のようなOLEDの製造および構成。
BCPとLiqの混合物の代わりに、50質量%の化合物A−10と50質量%のLiqとの混合物を使用する以外は、比較応用例1のようなOLEDの製造および構成。
BCPとLiqの混合物の代わりに、50質量%の化合物A−10と50質量%のLiqとの混合物を使用し、フッ化カリウムの代わりにLiqを使用する以外は、比較応用例1のようなOLEDの製造および構成。
陽極として使用するITO基材を、まずLCD製造用の市販の洗浄剤(Deconex(登録商標)20NS、および25ORGAN−ACID(登録商標)中和剤)で清浄にし、その後、超音波洗浄機中のアセトン/イソプロパノール混合物に入れる。考えられるあらゆる有機残留物を除去するため、基材をさらに25分間、オゾンオーブン中の連続オゾン流に暴露する。この処理により、ITOの正孔注入特性も改善される。その後、AJ20−1000(Plexcoreから市販されている)をスピンコートし、乾燥させて正孔注入層(約40nm)を形成する。
Claims (17)
- 陽極、陰極、該陽極と該陰極との間に配置された発光層および該陰極と該発光層との間に配置された電子輸送層を含む有機電子デバイスであって、該電子輸送層が、式
[式中、
R1およびR2は互いに独立に、F、C1〜C8アルキル、またはC6〜C14アリール(これらは、場合により1つ以上のC1〜C8アルキル基で置換されていてよい)であるか、または2つの置換基R1および/またはR2が組み合わさって縮合ベンゼン環基(これは、場合により1つ以上のC1〜C8アルキル基で置換されていてよい)を形成し、
aおよびbは互いに独立に0または整数1〜3であり、
R81は、フェナントリル、ピレニル、トリフェニレニル、1,10−フェナントロリニル、トリアジニル、ジベンゾチオフェニル、またはピリミジニル(これらはそれぞれ、場合により1つ以上のC1〜C18アルキル、C6〜C14アリール、またはC2〜C20ヘテロアリール基で置換されていてよい)であり、
R82は、フェナントリル、ピレニル、トリフェニレニル、1,10−フェナントロリニル、トリアジニル、ジベンゾチオフェニル、またはピリミジニル(これらはそれぞれ、場合により1つ以上のC1〜C18アルキル、C6〜C14アリール、またはC2〜C20ヘテロアリール基で置換されていてよい)であり、
R91は、フェナントリル、ピレニル、トリフェニレニル、1,10−フェナントロリニル、トリアジニル、ジベンゾチオフェニル、ピリミジニル、またはジベンゾフラニル(これらはそれぞれ、場合により1つ以上のC1〜C18アルキル、C6〜C14アリール、またはC2〜C20ヘテロアリール基で置換されていてよい)であり、
R92は、H、フェナントリル、ピレニル、トリフェニレニル、1,10−フェナントロリニル、トリアジニル、ジベンゾチオフェニル、またはピリミジニル(これらはそれぞれ、場合により1つ以上のC1〜C18アルキル、C6〜C14アリール、またはC2〜C20ヘテロアリール基で置換されていてよい)であり、
Aは、単結合、アリーレン、またはヘテロアリーレン基(これらはそれぞれ、場合により1つ以上のC1〜C18アルキル基で置換されていてよい)であるか;あるいは−SiR83R84−(ここで、R83およびR84は互いに独立に、C1〜C18アルキル、またはC6〜C14アリール基であり、これらは、場合により1つ以上のC1〜C18アルキル基で置換されていてよい)であり;
Mは、アルカリ金属原子、またはアルカリ土類金属原子であり、
nは、Mがアルカリ金属原子である場合は1であり、nは、Mがアルカリ土類金属原子である場合は2である]
とを含む、有機電子デバイス。 - さらに、正孔注入層、正孔輸送層、正孔及び励起子のブロッキング層及び電子注入層を含む、請求項1〜6のいずれか1項記載の有機電子デバイス。
- 前記電子注入層が、フッ化カリウムまたはLiqを含む、あるいはフッ化カリウムまたはLiqからなる、請求項7または8に記載の有機電子デバイス。
- 前記発光層が、式
M1は、Co、Rh、Ir、Nb、Pd、Pt、Fe、Ru、Os、Cr、Mo、W、Mn、Tc、Re、Cu、AgおよびAu(それぞれの金属原子について可能な任意の酸化状態にある)からなる群から選択される金属原子であり;
カルベンは、非荷電またはモノアニオン性であってよくかつ単座、二座または三座であってよいカルベン配位子であり、前記カルベン配位子はまた、ビスカルベンまたはトリスカルベンの配位子であることもでき;
Lは、単座であっても二座であってもよい、モノアニオン性またはジアニオン性の配位子であり;
Kは、ホスフィン類;ホスホネート類およびその誘導体、アルセナート類およびその誘導体;ホスファイト類;CO;ピリジン類;ニトリル類および共役ジエン(M1とのπ錯体を形成する)からなる群から選択される非荷電の単座または二座の配位子であり;
n1は、カルベン配位子の数であって、n1は少なくとも1であり、n1>1の場合、前記式Iの錯体における前記カルベン配位子は、同一であっても異なっていてもよく;
mは、配位子Lの数であって、mは0または≧1であってよく、m>1である場合、配位子Lは同一であっても異なっていてもよく;
oは、配位子Kの数であって、oは0または≧1であってよく、o>1である場合、配位子Kは同一であっても異なっていてもよく;
ここで、n1+m+oの合計は、金属原子の酸化状態および配位数に、並びに配位子であるカルベン、LおよびKのデンティシティーに、さらにまた配位子であるカルベンおよびLの電荷に依存するが、但し、n1が少なくとも1であることを条件とする]
の化合物を含む、請求項7から9までのいずれか1項に記載の有機電子デバイス。 - 酸化モリブデン(MoOX)がMoO3である、請求項12に記載の有機電子デバイス。
- 酸化レニウム(ReOX)がReO3である、請求項12に記載の有機電子デバイス。
- 式
[式中、
R 1 およびR 2 は互いに独立に、F、C 1 〜C 8 アルキル、またはC 6 〜C 14 アリール(これらは、場合により1つ以上のC 1 〜C 8 アルキル基で置換されていてよい)であるか、または2つの置換基R 1 および/またはR 2 が組み合わさって縮合ベンゼン環基(これは、場合により1つ以上のC 1 〜C 8 アルキル基で置換されていてよい)を形成し、
aおよびbは互いに独立に0または整数1〜3であり、
R 81 は、フェナントリル、ピレニル、トリフェニレニル、1,10−フェナントロリニル、トリアジニル、ジベンゾチオフェニル、またはピリミジニル(これらはそれぞれ、場合により1つ以上のC 1 〜C 18 アルキル、C 6 〜C 14 アリール、またはC 2 〜C 20 ヘテロアリール基で置換されていてよい)であり、
R 82 は、フェナントリル、ピレニル、トリフェニレニル、1,10−フェナントロリニル、トリアジニル、ジベンゾチオフェニル、またはピリミジニル(これらはそれぞれ、場合により1つ以上のC 1 〜C 18 アルキル、C 6 〜C 14 アリール、またはC 2 〜C 20 ヘテロアリール基で置換されていてよい)であり、
R 91 は、フェナントリル、ピレニル、トリフェニレニル、1,10−フェナントロリニル、トリアジニル、ジベンゾチオフェニル、ピリミジニル、またはジベンゾフラニル(これらはそれぞれ、場合により1つ以上のC 1 〜C 18 アルキル、C 6 〜C 14 アリール、またはC 2 〜C 20 ヘテロアリール基で置換されていてよい)であり、
R 92 は、H、フェナントリル、ピレニル、トリフェニレニル、1,10−フェナントロリニル、トリアジニル、ジベンゾチオフェニル、またはピリミジニル(これらはそれぞれ、場合により1つ以上のC 1 〜C 18 アルキル、C 6 〜C 14 アリール、またはC 2 〜C 20 ヘテロアリール基で置換されていてよい)であり、
Aは、単結合、アリーレン、またはヘテロアリーレン基(これらはそれぞれ、場合により1つ以上のC 1 〜C 18 アルキル基で置換されていてよい)であるか;あるいは−SiR 83 R 84 −(ここで、R 83 およびR 84 は互いに独立に、C 1 〜C 18 アルキル、またはC 6 〜C 14 アリール基であり、これらは、場合により1つ以上のC 1 〜C 18 アルキル基で置換されていてよい)であり;
Mは、アルカリ金属原子、またはアルカリ土類金属原子であり、
nは、Mがアルカリ金属原子である場合は1であり、nは、Mがアルカリ土類金属原子である場合は2である]
とを含む、電子輸送層。 - 請求項1から14までのいずれか1項に記載の有機電子デバイスにおける請求項15に記載の電子輸送層の使用。
- 請求項1から14までのいずれか1項に記載の有機電子デバイスを含む装置。
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