KR102715041B1 - 유기금속 화합물 및 이를 포함한 유기 발광 소자 - Google Patents
유기금속 화합물 및 이를 포함한 유기 발광 소자 Download PDFInfo
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- KR102715041B1 KR102715041B1 KR1020190122836A KR20190122836A KR102715041B1 KR 102715041 B1 KR102715041 B1 KR 102715041B1 KR 1020190122836 A KR1020190122836 A KR 1020190122836A KR 20190122836 A KR20190122836 A KR 20190122836A KR 102715041 B1 KR102715041 B1 KR 102715041B1
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- substituted
- chemical formula
- unsubstituted
- alkyl
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- 150000002902 organometallic compounds Chemical class 0.000 title claims abstract description 140
- 239000000126 substance Substances 0.000 claims description 706
- -1 isobenzoxazyl group Chemical group 0.000 claims description 624
- 229910052805 deuterium Inorganic materials 0.000 claims description 232
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 224
- 229910052739 hydrogen Inorganic materials 0.000 claims description 193
- 239000001257 hydrogen Substances 0.000 claims description 193
- 150000001875 compounds Chemical class 0.000 claims description 192
- 239000010410 layer Substances 0.000 claims description 141
- 125000006376 (C3-C10) cycloalkyl group Chemical group 0.000 claims description 118
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 105
- 150000002431 hydrogen Chemical class 0.000 claims description 89
- 125000006743 (C1-C60) alkyl group Chemical group 0.000 claims description 75
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 72
- 239000003446 ligand Substances 0.000 claims description 60
- 239000012044 organic layer Substances 0.000 claims description 57
- 125000003118 aryl group Chemical group 0.000 claims description 55
- 125000003367 polycyclic group Chemical group 0.000 claims description 51
- 125000006267 biphenyl group Chemical group 0.000 claims description 47
- 230000005525 hole transport Effects 0.000 claims description 45
- 125000006749 (C6-C60) aryl group Chemical group 0.000 claims description 44
- 229910052760 oxygen Inorganic materials 0.000 claims description 39
- 125000006756 (C5-C30) carbocyclic group Chemical group 0.000 claims description 36
- 229910052717 sulfur Inorganic materials 0.000 claims description 35
- 125000000623 heterocyclic group Chemical group 0.000 claims description 34
- 239000013110 organic ligand Substances 0.000 claims description 33
- 229910052723 transition metal Inorganic materials 0.000 claims description 32
- 150000003624 transition metals Chemical class 0.000 claims description 32
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 31
- 125000001624 naphthyl group Chemical group 0.000 claims description 30
- 125000006753 (C1-C60) heteroaryl group Chemical group 0.000 claims description 29
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 28
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 claims description 28
- 125000000714 pyrimidinyl group Chemical group 0.000 claims description 28
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 28
- 125000006746 (C1-C60) alkoxy group Chemical group 0.000 claims description 27
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 27
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 27
- 125000003548 sec-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 27
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 27
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 26
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 26
- 229910052757 nitrogen Inorganic materials 0.000 claims description 26
- 125000003538 pentan-3-yl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 claims description 26
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical group C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 25
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 25
- 125000006744 (C2-C60) alkenyl group Chemical group 0.000 claims description 24
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims description 23
- 229910052799 carbon Inorganic materials 0.000 claims description 23
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 claims description 23
- 125000006751 (C6-C60) aryloxy group Chemical group 0.000 claims description 22
- 125000004429 atom Chemical group 0.000 claims description 22
- 125000000609 carbazolyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 claims description 22
- 125000006752 (C6-C60) arylthio group Chemical group 0.000 claims description 21
- 238000010586 diagram Methods 0.000 claims description 19
- 229910052741 iridium Inorganic materials 0.000 claims description 19
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical group [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 17
- 125000002183 isoquinolinyl group Chemical group C1(=NC=CC2=CC=CC=C12)* 0.000 claims description 16
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 claims description 16
- 125000003373 pyrazinyl group Chemical group 0.000 claims description 15
- 125000004432 carbon atom Chemical group C* 0.000 claims description 14
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 13
- 125000002883 imidazolyl group Chemical group 0.000 claims description 12
- 125000001041 indolyl group Chemical group 0.000 claims description 12
- 125000000842 isoxazolyl group Chemical group 0.000 claims description 12
- 125000002971 oxazolyl group Chemical group 0.000 claims description 12
- 125000001792 phenanthrenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 claims description 12
- 125000000168 pyrrolyl group Chemical group 0.000 claims description 12
- 125000001425 triazolyl group Chemical group 0.000 claims description 12
- 125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 claims description 11
- 238000000151 deposition Methods 0.000 claims description 11
- 125000003453 indazolyl group Chemical group N1N=C(C2=C1C=CC=C2)* 0.000 claims description 11
- 125000003226 pyrazolyl group Chemical group 0.000 claims description 11
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 claims description 11
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 10
- 125000006758 (C2-C60) alkyl group Chemical group 0.000 claims description 9
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical group C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 claims description 9
- WIUZHVZUGQDRHZ-UHFFFAOYSA-N [1]benzothiolo[3,2-b]pyridine Chemical group C1=CN=C2C3=CC=CC=C3SC2=C1 WIUZHVZUGQDRHZ-UHFFFAOYSA-N 0.000 claims description 9
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical group C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 claims description 9
- 125000003831 tetrazolyl group Chemical group 0.000 claims description 9
- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical group C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 claims description 8
- TXCDCPKCNAJMEE-UHFFFAOYSA-N dibenzofuran Chemical group C1=CC=C2C3=CC=CC=C3OC2=C1 TXCDCPKCNAJMEE-UHFFFAOYSA-N 0.000 claims description 8
- IYYZUPMFVPLQIF-ALWQSETLSA-N dibenzothiophene Chemical group C1=CC=CC=2[34S]C3=C(C=21)C=CC=C3 IYYZUPMFVPLQIF-ALWQSETLSA-N 0.000 claims description 8
- 125000003914 fluoranthenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC=C4C1=C23)* 0.000 claims description 8
- 125000004857 imidazopyridinyl group Chemical group N1C(=NC2=C1C=CC=N2)* 0.000 claims description 8
- 125000000904 isoindolyl group Chemical group C=1(NC=C2C=CC=CC12)* 0.000 claims description 8
- 125000000561 purinyl group Chemical group N1=C(N=C2N=CNC2=C1)* 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 125000000355 1,3-benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 claims description 7
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical group C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 claims description 7
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical group C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 claims description 7
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical group C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 claims description 7
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical group C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 claims description 7
- 125000002877 alkyl aryl group Chemical group 0.000 claims description 7
- 125000005213 alkyl heteroaryl group Chemical group 0.000 claims description 7
- ZLTPDFXIESTBQG-UHFFFAOYSA-N isothiazole Chemical group C=1C=NSC=1 ZLTPDFXIESTBQG-UHFFFAOYSA-N 0.000 claims description 7
- WCPAKWJPBJAGKN-UHFFFAOYSA-N oxadiazole Chemical group C1=CON=N1 WCPAKWJPBJAGKN-UHFFFAOYSA-N 0.000 claims description 7
- 238000004057 DFT-B3LYP calculation Methods 0.000 claims description 6
- 125000005577 anthracene group Chemical group 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 6
- 125000005578 chrysene group Chemical group 0.000 claims description 6
- 125000000259 cinnolinyl group Chemical group N1=NC(=CC2=CC=CC=C12)* 0.000 claims description 6
- 125000005581 pyrene group Chemical group 0.000 claims description 6
- 125000005580 triphenylene group Chemical group 0.000 claims description 6
- BPMFPOGUJAAYHL-UHFFFAOYSA-N 9H-Pyrido[2,3-b]indole Chemical group C1=CC=C2C3=CC=CC=C3NC2=N1 BPMFPOGUJAAYHL-UHFFFAOYSA-N 0.000 claims description 5
- PFWJFKBTIBAASX-UHFFFAOYSA-N 9h-indeno[2,1-b]pyridine Chemical group C1=CN=C2CC3=CC=CC=C3C2=C1 PFWJFKBTIBAASX-UHFFFAOYSA-N 0.000 claims description 5
- WZJYKHNJTSNBHV-UHFFFAOYSA-N benzo[h]quinoline Chemical group C1=CN=C2C3=CC=CC=C3C=CC2=C1 WZJYKHNJTSNBHV-UHFFFAOYSA-N 0.000 claims description 5
- 239000010453 quartz Substances 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- MYKQKWIPLZEVOW-UHFFFAOYSA-N 11h-benzo[a]carbazole Chemical group C1=CC2=CC=CC=C2C2=C1C1=CC=CC=C1N2 MYKQKWIPLZEVOW-UHFFFAOYSA-N 0.000 claims description 3
- BGEVROQFKHXUQA-UHFFFAOYSA-N 71012-25-4 Chemical group C12=CC=CC=C2C2=CC=CC=C2C2=C1C1=CC=CC=C1N2 BGEVROQFKHXUQA-UHFFFAOYSA-N 0.000 claims description 3
- KDCGOANMDULRCW-UHFFFAOYSA-N 7H-purine Chemical group N1=CNC2=NC=NC2=C1 KDCGOANMDULRCW-UHFFFAOYSA-N 0.000 claims description 3
- MZYDBGLUVPLRKR-UHFFFAOYSA-N 9-(3-carbazol-9-ylphenyl)carbazole Chemical compound C12=CC=CC=C2C2=CC=CC=C2N1C1=CC(N2C3=CC=CC=C3C3=CC=CC=C32)=CC=C1 MZYDBGLUVPLRKR-UHFFFAOYSA-N 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 3
- 238000001228 spectrum Methods 0.000 claims description 3
- 125000001424 substituent group Chemical group 0.000 claims description 3
- ICPSWZFVWAPUKF-UHFFFAOYSA-N 1,1'-spirobi[fluorene] Chemical group C1=CC=C2C=C3C4(C=5C(C6=CC=CC=C6C=5)=CC=C4)C=CC=C3C2=C1 ICPSWZFVWAPUKF-UHFFFAOYSA-N 0.000 claims description 2
- DERKMBVPWKXOHM-UHFFFAOYSA-N 12h-[1]benzofuro[3,2-a]carbazole Chemical group O1C2=CC=CC=C2C2=C1C=CC1=C2NC2=CC=CC=C12 DERKMBVPWKXOHM-UHFFFAOYSA-N 0.000 claims description 2
- GLYYLMBVQZMMMS-UHFFFAOYSA-N 12h-[1]benzothiolo[3,2-a]carbazole Chemical group S1C2=CC=CC=C2C2=C1C=CC1=C2NC2=CC=CC=C12 GLYYLMBVQZMMMS-UHFFFAOYSA-N 0.000 claims description 2
- 125000000641 acridinyl group Chemical group C1(=CC=CC2=NC3=CC=CC=C3C=C12)* 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 230000002950 deficient Effects 0.000 claims description 2
- WUNJCKOTXFSWBK-UHFFFAOYSA-N indeno[2,1-a]carbazole Chemical group C1=CC=C2C=C3C4=NC5=CC=CC=C5C4=CC=C3C2=C1 WUNJCKOTXFSWBK-UHFFFAOYSA-N 0.000 claims description 2
- VVVPGLRKXQSQSZ-UHFFFAOYSA-N indolo[3,2-c]carbazole Chemical group C1=CC=CC2=NC3=C4C5=CC=CC=C5N=C4C=CC3=C21 VVVPGLRKXQSQSZ-UHFFFAOYSA-N 0.000 claims description 2
- MPQXHAGKBWFSNV-UHFFFAOYSA-N oxidophosphanium Chemical group [PH3]=O MPQXHAGKBWFSNV-UHFFFAOYSA-N 0.000 claims description 2
- 125000001791 phenazinyl group Chemical group C1(=CC=CC2=NC3=CC=CC=C3N=C12)* 0.000 claims description 2
- 230000003595 spectral effect Effects 0.000 claims description 2
- 125000003375 sulfoxide group Chemical group 0.000 claims description 2
- 239000000543 intermediate Substances 0.000 description 266
- 125000000217 alkyl group Chemical group 0.000 description 234
- 230000015572 biosynthetic process Effects 0.000 description 123
- 238000003786 synthesis reaction Methods 0.000 description 121
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 103
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 75
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 description 74
- 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 74
- 125000000582 cycloheptyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 71
- 125000000640 cyclooctyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])C1([H])[H] 0.000 description 70
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 70
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 69
- 125000000596 cyclohexenyl group Chemical group C1(=CCCCC1)* 0.000 description 67
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 66
- 125000001162 cycloheptenyl group Chemical group C1(=CCCCCC1)* 0.000 description 65
- 125000002433 cyclopentenyl group Chemical group C1(=CCCC1)* 0.000 description 65
- 125000003518 norbornenyl group Chemical group C12(C=CC(CC1)C2)* 0.000 description 65
- 238000000034 method Methods 0.000 description 63
- 125000005593 norbornanyl group Chemical group 0.000 description 62
- 150000003839 salts Chemical class 0.000 description 60
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 50
- 238000004895 liquid chromatography mass spectrometry Methods 0.000 description 48
- 239000000539 dimer Substances 0.000 description 45
- 238000002347 injection Methods 0.000 description 44
- 239000007924 injection Substances 0.000 description 44
- 230000002194 synthesizing effect Effects 0.000 description 43
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 38
- 239000000203 mixture Substances 0.000 description 37
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 36
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 36
- 125000006755 (C2-C20) alkyl group Chemical group 0.000 description 33
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 33
- 238000006243 chemical reaction Methods 0.000 description 31
- 230000000052 comparative effect Effects 0.000 description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 31
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 28
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 27
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 27
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 25
- 238000004811 liquid chromatography Methods 0.000 description 25
- 125000003860 C1-C20 alkoxy group Chemical group 0.000 description 23
- 239000002019 doping agent Substances 0.000 description 23
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 22
- 125000003229 2-methylhexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 21
- 125000004366 heterocycloalkenyl group Chemical group 0.000 description 21
- 125000004491 isohexyl group Chemical group C(CCC(C)C)* 0.000 description 21
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 21
- 235000019341 magnesium sulphate Nutrition 0.000 description 21
- 239000000463 material Substances 0.000 description 21
- 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 21
- 125000004076 pyridyl group Chemical group 0.000 description 21
- 125000006717 (C3-C10) cycloalkenyl group Chemical group 0.000 description 20
- 125000003739 carbamimidoyl group Chemical group C(N)(=N)* 0.000 description 20
- 238000011156 evaluation Methods 0.000 description 20
- OAKJQQAXSVQMHS-UHFFFAOYSA-N hydrazine group Chemical group NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 20
- 125000005597 hydrazone group Chemical group 0.000 description 20
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 20
- 239000007787 solid Substances 0.000 description 20
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 19
- 125000001153 fluoro group Chemical group F* 0.000 description 19
- 125000000592 heterocycloalkyl group Chemical group 0.000 description 19
- 125000006745 (C2-C60) alkynyl group Chemical group 0.000 description 18
- 230000000903 blocking effect Effects 0.000 description 18
- 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 17
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 17
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 16
- 238000000816 matrix-assisted laser desorption--ionisation Methods 0.000 description 16
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 15
- 125000002843 carboxylic acid group Chemical group 0.000 description 15
- 125000005509 dibenzothiophenyl group Chemical group 0.000 description 15
- 238000004128 high performance liquid chromatography Methods 0.000 description 15
- 125000000542 sulfonic acid group Chemical group 0.000 description 15
- 125000003277 amino group Chemical group 0.000 description 14
- 238000004440 column chromatography Methods 0.000 description 14
- 239000011541 reaction mixture Substances 0.000 description 14
- 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 13
- 238000004020 luminiscence type Methods 0.000 description 13
- 239000012153 distilled water Substances 0.000 description 11
- 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 11
- 229910052711 selenium Inorganic materials 0.000 description 11
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 10
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 10
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 10
- 229910052698 phosphorus Inorganic materials 0.000 description 10
- 238000010992 reflux Methods 0.000 description 10
- 229910052710 silicon Inorganic materials 0.000 description 10
- YRAJNWYBUCUFBD-UHFFFAOYSA-N 2,2,6,6-tetramethylheptane-3,5-dione Chemical compound CC(C)(C)C(=O)CC(=O)C(C)(C)C YRAJNWYBUCUFBD-UHFFFAOYSA-N 0.000 description 9
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 9
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- 125000002178 anthracenyl group Chemical group C1(=CC=CC2=CC3=CC=CC=C3C=C12)* 0.000 description 9
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- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
- C07F15/0006—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table compounds of the platinum group
- C07F15/0033—Iridium compounds
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
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- H—ELECTRICITY
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- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
- H10K50/12—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
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- H10K85/30—Coordination compounds
- H10K85/341—Transition metal complexes, e.g. Ru(II)polypyridine complexes
- H10K85/342—Transition metal complexes, e.g. Ru(II)polypyridine complexes comprising iridium
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Abstract
Description
도 2는 일 구현예를 따르는 유기 발광 소자를 개략적으로 나타낸 단면도이다.
화합물 No. | x | 1.02-x | 1.95-2.7x | y | 1.02 - x ≤ y ≤ 1.95 - 2.7x 만족 여부 O : 만족함 X : 만족하지 못함 |
Pt-A | 0.414 | 0.606 | 0.8322 | 0.610 | O |
Pt-B | 0.416 | 0.604 | 0.8268 | 0.599 | X |
Pt-C | 0.523 | 0.497 | 0.5379 | 0.524 | O |
Pt-D | 0.493 | 0.527 | 0.6189 | 0.607 | O |
Pt-E | 0.262 | 0.758 | 1.2426 | 0.805 | O |
Pt-F | 0.361 | 0.659 | 0.9753 | 0.664 | O |
Pt-G | 0.243 | 0.777 | 1.2939 | 0.805 | O |
Pt-H | 0.398 | 0.622 | 0.8754 | 0.667 | O |
Pt-I | 0.273 | 0.747 | 1.2129 | 0.86 | O |
Pt-1 | 0.326 | 0.694 | 1.0698 | 0.779 | O |
Pt-2 | 0.276 | 0.744 | 1.2048 | 0.784 | O |
화합물 NO. | x | 1.06-x | 1.95-2.7x | y | 1.06 - x ≤ y ≤ 1.95 - 2.7x 만족 여부 O : 만족함 X : 만족하지 못함 |
Pt-A | 0.414 | 0.646 | 0.8322 | 0.61 | X |
Pt-B | 0.416 | 0.644 | 0.8268 | 0.599 | X |
Pt-C | 0.523 | 0.537 | 0.5379 | 0.524 | X |
Pt-D | 0.493 | 0.567 | 0.6189 | 0.607 | O |
Pt-E | 0.262 | 0.798 | 1.2426 | 0.805 | O |
Pt-F | 0.361 | 0.70 | 0.9753 | 0.664 | X |
Pt-G | 0.243 | 0.817 | 1.2939 | 0.805 | X |
Pt-H | 0.398 | 0.662 | 0.8754 | 0.667 | O |
Pt-I | 0.273 | 0.787 | 1.2129 | 0.86 | O |
Pt-1 | 0.326 | 0.734 | 1.0698 | 0.779 | O |
Pt-2 | 0.276 | 0.784 | 1.2048 | 0.784 | O |
화합물 NO. | x | 1.06-x | 4.70-10.0x | y | 1.06 - x ≤ y ≤ 4.70 - 10.0x 만족 여부 O : 만족함 X : 만족하지 못함 |
Pt-A | 0.414 | 0.646 | 0.56 | 0.61 | X |
Pt-B | 0.416 | 0.644 | 0.54 | 0.599 | X |
Pt-C | 0.523 | 0.537 | -0.53 | 0.524 | X |
Pt-D | 0.493 | 0.567 | -0.23 | 0.607 | X |
Pt-E | 0.262 | 0.798 | 2.08 | 0.805 | O |
Pt-F | 0.361 | 0.70 | 1.09 | 0.664 | X |
Pt-G | 0.243 | 0.817 | 2.27 | 0.805 | X |
Pt-H | 0.398 | 0.662 | 0.72 | 0.667 | O |
Pt-I | 0.273 | 0.787 | 1.97 | 0.86 | O |
Pt-1 | 0.326 | 0.734 | 1.44 | 0.779 | O |
Pt-2 | 0.276 | 0.784 | 1.94 | 0.784 | O |
화합물 NO. | x | 1.02-x | 1.16-x | y | 1.02 - x ≤ y ≤ 1.16 - x 만족 여부 O : 만족함 X : 만족하지 못함 |
Pt-A | 0.414 | 0.606 | 0.746 | 0.61 | O |
Pt-B | 0.416 | 0.604 | 0.744 | 0.599 | X |
Pt-C | 0.523 | 0.497 | 0.637 | 0.524 | O |
Pt-D | 0.493 | 0.527 | 0.667 | 0.607 | O |
Pt-E | 0.262 | 0.758 | 0.898 | 0.805 | O |
Pt-F | 0.361 | 0.66 | 0.799 | 0.664 | O |
Pt-G | 0.243 | 0.777 | 0.917 | 0.805 | O |
Pt-H | 0.398 | 0.622 | 0.762 | 0.667 | O |
Pt-I | 0.273 | 0.747 | 0.887 | 0.86 | O |
Pt-1 | 0.326 | 0.694 | 0.834 | 0.779 | O |
Pt-2 | 0.276 | 0.744 | 0.884 | 0.784 | O |
화합물 No. | 방사 감쇠율(s-1) (Radiative decay rate) |
Pt-A | 8.60 x 104 |
Pt-B | 3.00 x 104 |
Pt-C | 5.80 x 103 |
Pt-D | 2.10 x 105 |
Pt-E | 2.42 x 105 |
Pt-F | 1.37 x 105 |
Pt-G | 1.25 x 105 |
Pt-H | 1.02 x 105 |
Pt-I | 1.21 x 105 |
Pt-1 | 4.79 x 105 |
Pt-2 | 4.09 x 105 |
샘플 No. | 공증착 물질 | 수평 배향율 (%) |
Pt-1 | mCP : 화합물 Pt-1 (4wt%) | 88 |
Pt-2 | mCP : 화합물 Pt-2 (4wt%) | 90 |
도펀트 화합물 No. | 최대 양자 발광 효율 상대값 (%) | 롤-오프비 (%) (at 8000 nit) |
|
비교예 Pt-A | Pt-A | 67 | 35 |
비교예 Pt-B | Pt-B | 41 | 21 |
비교예 Pt-C | Pt-C | 52 | 89 |
비교예 Pt-D | Pt-D | 96 | 25 |
비교예 Pt-E | Pt-E | 63 | 13 |
비교예 Pt-F | Pt-F | 70 | 11 |
비교예 Pt-G | Pt-G | 67 | 13 |
비교예 Pt-H | Pt-H | 67 | 37 |
비교예 Pt-I | Pt-I | 59 | 21 |
실시예 Pt-1 | Pt-1 | 100 | 8 |
실시예 Pt-2 | Pt-2 | 96 | 4 |
화합물 No. | x | 1.02-x | 1.95-2.7x | y | 1.02 - x ≤ y ≤ 1.95 - 2.7x 만족 여부 O : 만족함 X : 만족하지 못함 |
Ir-A | 0.422 | 0.597 | 0.8106 | 0.963 | X |
Ir-B | 0.390 | 0.630 | 0.897 | 0.926 | X |
Ir-C | 0.591 | 0.429 | 0.3543 | 0.869 | X |
Ir-D | 0.487 | 0.533 | 0.6351 | 0.999 | X |
Ir-E | 0.711 | 0.310 | 0.0303 | 0.953 | X |
Ir-F | 0.635 | 0.385 | 0.2355 | 0.649 | X |
Ir-G | 0.417 | 0.603 | 0.8241 | 0.864 | X |
Ir-H | 0.384 | 0.640 | 0.9132 | 0.922 | X |
Ir-I | 0.383 | 0.637 | 0.9159 | 0.936 | X |
Ir-J | 0.392 | 0.628 | 0.8916 | 0.956 | X |
Ir-K | 0.412 | 0.608 | 0.8376 | 0.954 | X |
Ir-L | 0.480 | 0.540 | 0.654 | 0.895 | X |
Ir-1 | 0.325 | 0.695 | 1.0725 | 0.912 | O |
Ir-2 | 0.274 | 0.746 | 1.2102 | 0.974 | O |
Ir-3 | 0.246 | 0.774 | 1.2858 | 0.992 | O |
Ir-4 | 0.319 | 0.701 | 1.0887 | 0.971 | O |
Ir-5 | 0.303 | 0.717 | 1.1319 | 0.968 | O |
Ir-6 | 0.342 | 0.678 | 1.0266 | 0.986 | O |
Ir-7 | 0.110 | 0.910 | 1.653 | 0.993 | O |
Ir-8 | 0.131 | 0.889 | 1.5963 | 0.986 | O |
Ir-9 | 0.322 | 0.698 | 1.0806 | 0.954 | O |
Ir-10 | 0.248 | 0.772 | 1.2804 | 0.938 | O |
Ir-11 | 0.350 | 0.670 | 1.005 | 0.918 | O |
Ir-12 | 0.353 | 0.667 | 0.9969 | 0.914 | O |
Ir-13 | 0.267 | 0.753 | 1.2291 | 0.944 | O |
Ir-14 | 0.251 | 0.769 | 1.2723 | 0.948 | O |
Ir-15 | 0.350 | 0.670 | 1.0050 | 0.936 | O |
Ir-16 | 0.338 | 0.680 | 1.0374 | 0.942 | O |
Ir-17 | 0.253 | 0.767 | 1.2669 | 0.965 | O |
Ir-18 | 0.220 | 0.800 | 1.356 | 0.963 | O |
Ir-19 | 0.268 | 0.752 | 1.2264 | 0.968 | O |
Ir-20 | 0.299 | 0.721 | 1.1427 | 0.961 | O |
Ir-21 | 0.385 | 0.635 | 0.9105 | 0.902 | O |
Ir-22 | 0.383 | 0.637 | 0.9159 | 0.909 | O |
Ir-23 | 0.319 | 0.701 | 1.0887 | 0.970 | O |
Ir-24 | 0.347 | 0.670 | 1.0131 | 0.971 | O |
Ir-25 | 0.294 | 0.726 | 1.1562 | 0.959 | O |
화합물 NO. | x | 1.06-x | 1.95-2.7x | y | 1.06 - x ≤ y ≤ 1.95 - 2.7x 만족 여부 O : 만족함 X : 만족하지 못함 |
Ir-A | 0.422 | 0.638 | 0.8106 | 0.963 | X |
Ir-B | 0.39 | 0.67 | 0.897 | 0.926 | X |
Ir-C | 0.591 | 0.469 | 0.3543 | 0.869 | X |
Ir-D | 0.487 | 0.573 | 0.6351 | 0.999 | X |
Ir-E | 0.711 | 0.35 | 0.0303 | 0.953 | X |
Ir-F | 0.635 | 0.425 | 0.2355 | 0.649 | X |
Ir-G | 0.417 | 0.643 | 0.8241 | 0.864 | X |
Ir-H | 0.384 | 0.676 | 0.9132 | 0.922 | X |
Ir-I | 0.383 | 0.677 | 0.9159 | 0.936 | X |
Ir-J | 0.392 | 0.668 | 0.8916 | 0.956 | X |
Ir-K | 0.412 | 0.648 | 0.8376 | 0.954 | X |
Ir-L | 0.48 | 0.58 | 0.654 | 0.895 | X |
Ir-1 | 0.325 | 0.735 | 1.0725 | 0.912 | O |
Ir-2 | 0.274 | 0.786 | 1.2102 | 0.974 | O |
Ir-3 | 0.246 | 0.814 | 1.2858 | 0.992 | O |
Ir-4 | 0.319 | 0.741 | 1.0887 | 0.971 | O |
Ir-5 | 0.303 | 0.757 | 1.1319 | 0.968 | O |
Ir-6 | 0.342 | 0.718 | 1.0266 | 0.986 | O |
Ir-7 | 0.11 | 0.95 | 1.653 | 0.993 | O |
Ir-8 | 0.131 | 0.93 | 1.5963 | 0.986 | O |
Ir-9 | 0.322 | 0.738 | 1.0806 | 0.954 | O |
Ir-10 | 0.248 | 0.812 | 1.2804 | 0.938 | O |
Ir-11 | 0.35 | 0.71 | 1.005 | 0.918 | O |
Ir-12 | 0.353 | 0.707 | 0.9969 | 0.914 | O |
Ir-13 | 0.267 | 0.793 | 1.2291 | 0.944 | O |
Ir-14 | 0.251 | 0.809 | 1.2723 | 0.948 | O |
Ir-15 | 0.35 | 0.71 | 1.005 | 0.936 | O |
Ir-16 | 0.338 | 0.722 | 1.0374 | 0.942 | O |
Ir-17 | 0.253 | 0.807 | 1.2669 | 0.965 | O |
Ir-18 | 0.22 | 0.84 | 1.356 | 0.963 | O |
Ir-19 | 0.268 | 0.792 | 1.2264 | 0.968 | O |
Ir-20 | 0.299 | 0.76 | 1.1427 | 0.961 | O |
Ir-21 | 0.385 | 0.675 | 0.9105 | 0.902 | O |
Ir-22 | 0.383 | 0.677 | 0.9159 | 0.909 | O |
Ir-23 | 0.319 | 0.741 | 1.0887 | 0.97 | O |
Ir-24 | 0.347 | 0.713 | 1.0131 | 0.971 | O |
Ir-25 | 0.294 | 0.766 | 1.1562 | 0.959 | O |
화합물 NO. | x | 1.06-x | 4.7-10x | y | 1.06 - x ≤ y ≤ 4.7 - 10x 만족 여부 O : 만족함 X : 만족하지 못함 |
Ir-A | 0.422 | 0.638 | 0.48 | 0.963 | X |
Ir-B | 0.39 | 0.67 | 0.8 | 0.926 | X |
Ir-C | 0.591 | 0.469 | -1.21 | 0.869 | X |
Ir-D | 0.487 | 0.573 | -0.17 | 0.999 | X |
Ir-E | 0.711 | 0.35 | -2.41 | 0.953 | X |
Ir-F | 0.635 | 0.425 | -1.65 | 0.649 | X |
Ir-G | 0.417 | 0.643 | 0.53 | 0.864 | X |
Ir-H | 0.384 | 0.676 | 0.86 | 0.922 | X |
Ir-I | 0.383 | 0.677 | 0.87 | 0.936 | X |
Ir-J | 0.392 | 0.668 | 0.78 | 0.956 | X |
Ir-K | 0.412 | 0.648 | 0.58 | 0.954 | X |
Ir-L | 0.48 | 0.58 | -0.1 | 0.895 | X |
Ir-1 | 0.325 | 0.735 | 1.45 | 0.912 | O |
Ir-2 | 0.274 | 0.786 | 1.96 | 0.974 | O |
Ir-3 | 0.246 | 0.814 | 2.24 | 0.992 | O |
Ir-4 | 0.319 | 0.741 | 1.51 | 0.971 | O |
Ir-5 | 0.303 | 0.757 | 1.67 | 0.968 | O |
Ir-6 | 0.342 | 0.718 | 1.28 | 0.986 | O |
Ir-7 | 0.11 | 0.95 | 3.6 | 0.993 | O |
Ir-8 | 0.131 | 0.93 | 3.39 | 0.986 | O |
Ir-9 | 0.322 | 0.738 | 1.48 | 0.954 | O |
Ir-10 | 0.248 | 0.812 | 2.22 | 0.938 | O |
Ir-11 | 0.35 | 0.71 | 1.2 | 0.918 | O |
Ir-12 | 0.353 | 0.707 | 1.17 | 0.914 | O |
Ir-13 | 0.267 | 0.793 | 2.03 | 0.944 | O |
Ir-14 | 0.251 | 0.809 | 2.19 | 0.948 | O |
Ir-15 | 0.35 | 0.71 | 1.2 | 0.936 | O |
Ir-16 | 0.338 | 0.722 | 1.32 | 0.942 | O |
Ir-17 | 0.253 | 0.807 | 2.17 | 0.965 | O |
Ir-18 | 0.22 | 0.84 | 2.5 | 0.963 | O |
Ir-19 | 0.268 | 0.792 | 2.02 | 0.968 | O |
Ir-20 | 0.299 | 0.76 | 1.71 | 0.961 | O |
Ir-21 | 0.385 | 0.675 | 0.85 | 0.902 | X |
Ir-22 | 0.383 | 0.677 | 0.87 | 0.909 | X |
Ir-23 | 0.319 | 0.741 | 1.51 | 0.97 | O |
Ir-24 | 0.347 | 0.713 | 1.23 | 0.971 | O |
Ir-25 | 0.294 | 0.766 | 1.76 | 0.959 | O |
화합물 NO. | x | 1.0-0.5x | 1.95-2.7x | y | 1.0 - 0.5x ≤ y ≤ 1.95 - 2.7x 만족 여부 O : 만족함 X : 만족하지 못함 |
Ir-A | 0.422 | 0.789 | 0.8106 | 0.963 | X |
Ir-B | 0.39 | 0.805 | 0.897 | 0.926 | X |
Ir-C | 0.591 | 0.7045 | 0.3543 | 0.869 | X |
Ir-D | 0.487 | 0.7565 | 0.6351 | 0.999 | X |
Ir-E | 0.711 | 0.64 | 0.0303 | 0.953 | X |
Ir-F | 0.635 | 0.6825 | 0.2355 | 0.649 | X |
Ir-G | 0.417 | 0.7915 | 0.8241 | 0.864 | X |
Ir-H | 0.384 | 0.808 | 0.9132 | 0.922 | X |
Ir-I | 0.383 | 0.8085 | 0.9159 | 0.936 | X |
Ir-J | 0.392 | 0.804 | 0.8916 | 0.956 | X |
Ir-K | 0.412 | 0.794 | 0.8376 | 0.954 | X |
Ir-L | 0.48 | 0.76 | 0.654 | 0.895 | X |
Ir-1 | 0.325 | 0.8375 | 1.0725 | 0.912 | O |
Ir-2 | 0.274 | 0.863 | 1.2102 | 0.974 | O |
Ir-3 | 0.246 | 0.877 | 1.2858 | 0.992 | O |
Ir-4 | 0.319 | 0.8405 | 1.0887 | 0.971 | O |
Ir-5 | 0.303 | 0.8485 | 1.1319 | 0.968 | O |
Ir-6 | 0.342 | 0.829 | 1.0266 | 0.986 | O |
Ir-7 | 0.11 | 0.945 | 1.653 | 0.993 | O |
Ir-8 | 0.131 | 0.93 | 1.5963 | 0.986 | O |
Ir-9 | 0.322 | 0.839 | 1.0806 | 0.954 | O |
Ir-10 | 0.248 | 0.876 | 1.2804 | 0.938 | O |
Ir-11 | 0.35 | 0.825 | 1.005 | 0.918 | O |
Ir-12 | 0.353 | 0.8235 | 0.9969 | 0.914 | O |
Ir-13 | 0.267 | 0.8665 | 1.2291 | 0.944 | O |
Ir-14 | 0.251 | 0.8745 | 1.2723 | 0.948 | O |
Ir-15 | 0.35 | 0.825 | 1.005 | 0.936 | O |
Ir-16 | 0.338 | 0.831 | 1.0374 | 0.942 | O |
Ir-17 | 0.253 | 0.8735 | 1.2669 | 0.965 | O |
Ir-18 | 0.22 | 0.89 | 1.356 | 0.963 | O |
Ir-19 | 0.268 | 0.866 | 1.2264 | 0.968 | O |
Ir-20 | 0.299 | 0.85 | 1.1427 | 0.961 | O |
Ir-21 | 0.385 | 0.8075 | 0.9105 | 0.902 | O |
Ir-22 | 0.383 | 0.8085 | 0.9159 | 0.909 | O |
Ir-23 | 0.319 | 0.8405 | 1.0887 | 0.97 | O |
Ir-24 | 0.347 | 0.8265 | 1.0131 | 0.971 | O |
Ir-25 | 0.294 | 0.853 | 1.1562 | 0.959 | O |
화합물 No. | 방사 감쇠율(s-1) (Radiative decay rate) |
Ir-A | 5.81 x 105 |
Ir-B | 7.42 x 105 |
Ir-C | 6.83 x 105 |
Ir-D | 5.81 x 105 |
Ir-E | 6.92 x 105 |
Ir-F | 6.88 x 105 |
Ir-G | 7.21 x 105 |
Ir-H | 8.02 x 105 |
Ir-I | 7.28 x 105 |
Ir-J | 1.27 x 105 |
Ir-K | 2.93 x 105 |
Ir-L | 1.15 x 106 |
Ir-1 | 8.81 x 105 |
Ir-2 | 7.25 x 105 |
Ir-3 | 9.00 x 105 |
Ir-4 | 8.04 x 105 |
Ir-5 | 9.19 x 105 |
Ir-6 | 8.23 x 105 |
Ir-7 | 1.49 x 106 |
Ir-8 | 1.02 x 106 |
Ir-9 | 2.67 x 105 |
Ir-10 | 8.55 x 105 |
Ir-11 | 9.10 x 105 |
Ir-12 | 8.04 x 105 |
Ir-13 | 9.05 x 105 |
Ir-14 | 8.25 x 105 |
Ir-15 | 8.28 x 105 |
Ir-16 | 7.95 x 105 |
Ir-17 | 7.82 x 105 |
Ir-18 | 6.70 x 105 |
Ir-19 | 1.36 x 106 |
Ir-20 | 1.17 x 106 |
Ir-21 | 1.26 x 106 |
Ir-22 | 1.38 x 106 |
Ir-23 | 1.35 x 106 |
Ir-24 | 1.45 x 106 |
Ir-25 | 1.29 x 106 |
샘플 No. | 공증착 물질 | 수평 배향율 (%) |
Ir-1 | mCP : 화합물 Ir-1 (2wt%) | 86 |
Ir-2 | mCP : 화합물 Ir-2 (2wt%) | 85 |
Ir-3 | mCP : 화합물 Ir-3 (2wt%) | 94 |
Ir-4 | mCP : 화합물 Ir-4 (2wt%) | 91 |
Ir-5 | mCP : 화합물 Ir-5 (2wt%) | 93 |
Ir-6 | mCP : 화합물 Ir-6 (2wt%) | 92 |
Ir-7 | mCP : 화합물 Ir-7 (2wt%) | 92 |
Ir-8 | mCP : 화합물 Ir-8 (2wt%) | 91 |
Ir-9 | mCP : 화합물 Ir-9 (2wt%) | 85 |
Ir-10 | mCP : 화합물 Ir-10 (2wt%) | 93 |
Ir-11 | mCP : 화합물 Ir-11 (2wt%) | 91 |
Ir-12 | mCP : 화합물 Ir-12 (2wt%) | 91 |
Ir-13 | mCP : 화합물 Ir-13 (2wt%) | 92 |
Ir-14 | mCP : 화합물 Ir-14 (2wt%) | 92 |
Ir-15 | mCP : 화합물 Ir-15 (2wt%) | 93 |
Ir-16 | mCP : 화합물 Ir-16 (2wt%) | 93 |
Ir-17 | mCP : 화합물 Ir-17 (2wt%) | 91 |
Ir-18 | mCP : 화합물 Ir-18 (2wt%) | 85 |
Ir-19 | mCP : 화합물 Ir-19 (2wt%) | 87 |
Ir-20 | mCP : 화합물 Ir-20 (2wt%) | 86 |
Ir-21 | mCP : 화합물 Ir-21 (2wt%) | 91 |
Ir-22 | mCP : 화합물 Ir-22 (2wt%) | 91 |
Ir-23 | mCP : 화합물 Ir-23 (2wt%) | 93 |
Ir-24 | mCP : 화합물 Ir-24 (2wt%) | 93 |
Ir-25 | mCP : 화합물 Ir-25 (2wt%) | 93 |
도펀트 화합물 No. | 최대 양자 발광 효율 비교값 (%) | 롤-오프비 (%) (at 3500 nit) |
|
비교예 Ir-A | Ir-A | 77 | 16 |
비교예 Ir-B | Ir-B | 71 | 19 |
비교예 Ir-C | Ir-C | 58 | 18 |
비교예 Ir-D | Ir-D | 77 | 17 |
비교예 Ir-E | Ir-E | 65 | 15 |
비교예 Ir-F | Ir-F | 71 | 14 |
비교예 Ir-G | Ir-G | 74 | 15 |
비교예 Ir-H | Ir-H | 77 | 14 |
비교예 Ir-I | Ir-I | 77 | 16 |
비교예 Ir-J | Ir-J | 55 | 18 |
비교예 Ir-K | Ir-K | 58 | 19 |
비교예 Ir-L | Ir-L | 77 | 14 |
실시예 Ir-1 | Ir-1 | 81 | 12 |
실시예 Ir-2 | Ir-2 | 84 | 13 |
실시예 Ir-3 | Ir-3 | 90 | 14 |
실시예 Ir-4 | Ir-4 | 87 | 11 |
실시예 Ir-5 | Ir-5 | 97 | 10 |
실시예 Ir-6 | Ir-6 | 90 | 11 |
실시예 Ir-7 | Ir-7 | 100 | 4 |
실시예 Ir-8 | Ir-8 | 90 | 5 |
실시예 Ir-9 | Ir-9 | 84 | 9 |
실시예 Ir-10 | Ir-10 | 84 | 10 |
실시예 Ir-11 | Ir-11 | 94 | 12 |
실시예 Ir-12 | Ir-12 | 84 | 12 |
실시예 Ir-13 | Ir-13 | 87 | 11 |
실시예 Ir-14 | Ir-14 | 90 | 12 |
실시예 Ir-15 | Ir-15 | 94 | 11 |
실시예 Ir-16 | Ir-16 | 94 | 12 |
실시예 Ir-17 | Ir-17 | 87 | 10 |
실시예 Ir-18 | Ir-18 | 81 | 12 |
실시예 Ir-19 | Ir-19 | 87 | 12 |
실시예 Ir-20 | Ir-20 | 84 | 12 |
실시예 Ir-21 | Ir-21 | 97 | 8 |
실시예 Ir-22 | Ir-22 | 97 | 9 |
실시예 Ir-23 | Ir-23 | 100 | 8 |
실시예 Ir-24 | Ir-24 | 97 | 7 |
실시예 Ir-25 | Ir-25 | 100 | 8 |
11: 제1전극
15: 유기층
19: 제2전극
Claims (22)
- 전이 금속 및 적어도 하나의 유기 리간드를 포함하고,
하기 <수식 1>을 만족하고,
2.5 x 105 s-1 이상의 방사 감쇠율(radiative decay rate)을 갖고,
하기 화학식 1F, 1G 또는 1I로 표시된, 유기금속 화합물:
<수식 1>
1.02 - x ≤ y ≤ 1.95 - 2.7x
상기 수식 1 중 x는 상기 유기금속 화합물의 PMI(Pinciple of moments of inertia) 다이어그램 중 x좌표값으로서, 상기 유기금속 화합물의 I1/I3이고,
상기 수식 1 중 y는 상기 유기금속 화합물의 PMI 다이어그램 중 y좌표값으로서, 상기 유기금속 화합물의 I2/I3이고,
상기 I1, I2 및 I3 각각은 상기 유기금속 화합물의 3개의 주관성 모멘트(principle moments of inertia)로서, I1 ≤ I2 ≤ I3의 관계를 갖고,
상기 I1, I2 및 I3 각각은, 상기 유기금속 화합물에 대한 DFT(밀도범함수) 계산법을 이용하여 평가된 것이고,
상기 유기금속 화합물의 상기 전이 금속에 대해서는 B3LYP/LanL2DZ 함수를 이용하고 상기 유기 리간드에 대해서는 B3LYP/6-31G(D,P) 함수를 이용하여 상기 유기금속 화합물의 분자 구조를 최적화하여, Gaussian을 이용하여 DFT(밀도범함수) 계산을 수행함으로써 PMI를 평가하고, PMI 값 중 가장 작은 값을 I1으로 정하고, 가장 큰 값을 I3로 정하고, I1과 I3 사이의 값을 I2로 정한 후, I1/I3를 상기 유기금속 화합물의 PMI 다이어그램 중 x좌표값인 x로 정하고, I2/I3를 상기 유기금속 화합물의 PMI 다이어그램 중 y좌표값인 y로 정하고,
상기 유기금속 화합물의 방사 감쇠율은 필름 1에 대한 TRPL(Time-Resolved Photoluminescece) 스펙트럼(여기 파장 = 340 나노미터, spectral width = 20나노미터, pulse width = 500 피코초의 조건으로 측정함) 커브를 하기 <식 20>을 이용한 exponential decay function로 피팅(fitting)하여 얻은 감쇠 시간으로부터 계산된 값이고,
<식 20>
상기 필름 1은 쿼츠 기판 상에 mCP(1,3-bis(N-carbazolyl)benzene)와 상기 유기금속 화합물을 90 : 10 내지 99 : 1 범위의 중량비로 진공 공증착하여 수득한 40nm 두께의 필름이다:
<화학식 1F>
M(L1)n1(L2)n2
상기 화학식 1F 중 M은 이리듐이고,
상기 화학식 1F 중 L1은 하기 화학식 2F로 표시된 리간드이고,
상기 화학식 1F 중 n1은 2이고, 2 이상의 L1은 서로 동일하거나 상이하고,
상기 화학식 1F 중 L2는 하기 화학식 3-1(301)로 표시된 2자리(bidentate) 리간드이고,
상기 화학식 1F 중 n2는 1이고,
<화학식 2F>
상기 화학식 2F 및 3-1(301) 중,
X1 및 X21은 C이고,
고리 CY1 및 CY21은 서로 독립적으로, 벤젠 그룹, 나프탈렌 그룹, 플루오렌 그룹, 페난트렌 그룹, 안트라센 그룹, 플루오란텐 그룹, 트리페닐렌 그룹, 파이렌 그룹, 크라이센 그룹, 피롤 그룹, 티오펜 그룹, 퓨란 그룹, 이미다졸 그룹, 피라졸 그룹, 티아졸 그룹, 이소티아졸 그룹, 옥사졸 그룹, 이속사졸 그룹, 피리딘 그룹, 피라진 그룹, 피리미딘 그룹, 피리다진 그룹, 이소인돌 그룹, 인돌 그룹, 인다졸 그룹, 푸린 그룹, 퀴놀린 그룹, 이소퀴놀린 그룹, 벤조퀴놀린 그룹, 퀴녹살린 그룹, 퀴나졸린 그룹, 시놀린 그룹, 카바졸 그룹, 페난트롤린 그룹, 벤조이미다졸 그룹, 벤조퓨란 그룹, 벤조티오펜 그룹, 이소벤조티아졸 그룹, 벤즈옥사졸 그룹, 이소벤즈옥사질 그룹, 트리아졸 그룹 테트라졸 그룹, 옥사디아졸 그룹, 트리아진 그룹, 디벤조퓨란 그룹, 디벤조티오펜 그룹, 디벤조실롤 그룹, 벤조카바졸 그룹, 디벤조카바졸 그룹, 이미다조피리딘 그룹 또는 이미다조피리미딘 그룹이고,
X3은 O 또는 S이고,
X4는 N 또는 C(R4)이고,
X5는 N 또는 C(R5)이고,
R1, R2, R4, R5, R21 및 Z11 내지 Z13은 서로 독립적으로, 수소, 중수소, -F, 시아노기, 치환 또는 비치환된 C1-C60알킬기, 치환 또는 비치환된 C2-C60알케닐기, 치환 또는 비치환된 C1-C60알콕시기, 치환 또는 비치환된 C3-C10시클로알킬기, 치환 또는 비치환된 C6-C60아릴기, 치환 또는 비치환된 C6-C60아릴옥시기, 치환 또는 비치환된 C6-C60아릴티오기, 치환 또는 비치환된 C1-C60헤테로아릴기, 치환 또는 비치환된 1가 비-방향족 축합다환 그룹, 치환 또는 비치환된 1가 비-방향족 헤테로축합다환 그룹, -Si(Q3)(Q4)(Q5), 또는 -Ge(Q3)(Q4)(Q5)이고,
a1 및 a21은 서로 독립적으로, 0 내지 5 중에서 선택된 정수이고,
고리 CY1과 R2는 서로 결합되지 않고,
R1과 R2는 서로 결합되지 않고,
R4와 R5는 선택적으로, 서로 연결되어, 적어도 하나의 R10a로 치환 또는 비치환된 C5-C30카보시클릭 그룹 또는 적어도 하나의 R10a로 치환 또는 비치환된 C1-C30헤테로시클릭 그룹을 형성할 수 있고,
서로 이웃한 복수의 R21 중 2개는 선택적으로, 서로 연결되어, 적어도 하나의 R10a로 치환 또는 비치환된 C5-C30카보시클릭 그룹 또는 적어도 하나의 R10a로 치환 또는 비치환된 C1-C30헤테로시클릭 그룹을 형성할 수 있고,
R10a에 대한 설명은 상기 R21에 대한 설명과 동일하고,
* 및 *'은 각각 화학식 1F 중 M과의 결합 사이트이다:
<화학식 1G>
M(L1)n1(L2)n2
상기 화학식 1G 중 M, n1, L2 및 n2에 대한 설명은 각각 상기 화학식 1F 중 M, n1, L2 및 n2에 대한 설명과 동일하고,
상기 화학식 1G 중 L1은 하기 화학식 2G로 표시된 리간드이고,
<화학식 2G>
상기 화학식 2G 중 X1, X21, 고리 CY1, 고리 CY21, X4, X5, R1, R21, a1 및 a21 각각에 대한 설명은, 상기 화학식 2F의 X1, X21, 고리 CY1, 고리 CY21, X4, X5, R1, R21, a1 및 a21 각각에 대한 설명과 동일하고,
상기 화학식 2G 중 X2 및 X3는 서로 독립적으로, O, S 또는 C(R2)이고, X2 및 X3 중 하나는 O 또는 S이고, 상기 R2에 대한 설명은 상기 화학식 1F 중 R21에 대한 설명과 동일하고,
<화학식 1I>
상기 화학식 1I 중,
R1 내지 R12 및 A7은 서로 독립적으로, 수소, 중수소, -F, 시아노기, -CF3, -CF2H, -CFH2, 치환 또는 비치환된 C1-C60알킬기, 치환 또는 비치환된 C2-C60알케닐기, 치환 또는 비치환된 C1-C60알콕시기, 치환 또는 비치환된 C3-C10시클로알킬기, 치환 또는 비치환된 C6-C60아릴기, 치환 또는 비치환된 C6-C60아릴옥시기, 치환 또는 비치환된 C6-C60아릴티오기, 치환 또는 비치환된 C1-C60헤테로아릴기, 치환 또는 비치환된 1가 비-방향족 축합다환 그룹, 치환 또는 비치환된 1가 비-방향족 헤테로축합다환 그룹, -Si(Q3)(Q4)(Q5), 또는 -Ge(Q3)(Q4)(Q5)이고,
R1 내지 R8 중 적어도 하나는 서로 독립적으로, -F, -CF3, -CF2H 또는 -CFH2이고,
A1 내지 A6은 서로 독립적으로, 수소, 중수소, -F, 시아노기, 치환 또는 비치환된 C1-C60알킬기, 치환 또는 비치환된 C2-C60알케닐기, 치환 또는 비치환된 C1-C60알콕시기, 치환 또는 비치환된 C3-C10시클로알킬기, 치환 또는 비치환된 C6-C60아릴기, 치환 또는 비치환된 C6-C60아릴옥시기, 치환 또는 비치환된 C6-C60아릴티오기, 치환 또는 비치환된 C1-C60헤테로아릴기, 치환 또는 비치환된 1가 비-방향족 축합다환 그룹, 또는 치환 또는 비치환된 1가 비-방향족 헤테로축합다환 그룹이되, 하기 <조건 1I>, <조건 2I> 또는 이의 조합을 만족하고,
<조건 1I>
A1 및 A4 중 적어도 하나는 2 이상의 탄소 원자를 포함함
<조건 2I>
A1 내지 A6 모두는, 적어도 하나의 탄소 원자를 포함함
1) R1 내지 R12 중 2 이상은 선택적으로, 서로 결합하여, 적어도 하나의 R1a로 치환 또는 비치환된 C5-C30카보시클릭 그룹 또는 적어도 하나의 R1a로 치환 또는 비치환된 C1-C30헤테로시클릭 그룹을 형성할 수 있고, 2) A1 내지 A7 중 2 이상은 선택적으로, 서로 결합하여, 적어도 하나의 R1a로 치환 또는 비치환된 C5-C30카보시클릭 그룹 또는 적어도 하나의 R1a로 치환 또는 비치환된 C1-C30헤테로시클릭 그룹을 형성할 수 있고, 상기 R1a에 대한 설명은 상기 A7에 대한 설명과 동일하고,
상기 화학식 1F 및 1G 중, 치환된 C1-C60알킬기, 치환된 C2-C60알케닐기, 치환된 C1-C60알콕시기, 치환된 C3-C10시클로알킬기, 치환된 C6-C60아릴기, 치환된 C7-C60알킬아릴기, 치환된 C6-C60아릴옥시기, 치환된 C6-C60아릴티오기, 치환된 C1-C60헤테로아릴기, 치환된 C2-C60알킬헤테로아릴기, 치환된 1가 비-방향족 축합다환 그룹 및 치환된 1가 비-방향족 헤테로축합다환 그룹의 치환기는, 중수소, -F, -CD3, -CD2H, -CDH2, -CF3, -CF2H, -CFH2, 시아노기, C1-C60알킬기, C2-C60알케닐기, C3-C10시클로알킬기, C6-C60아릴기, -Si(Q33)(Q34)(Q35), -Ge(Q33)(Q34)(Q35), 또는 이의 임의의 조합이고,
상기 화학식 1I 중, 치환된 C1-C60알킬기, 치환된 C2-C60알케닐기, 치환된 C1-C60알콕시기, 치환된 C3-C10시클로알킬기, 치환된 C6-C60아릴기, 치환된 C7-C60알킬아릴기, 치환된 C6-C60아릴옥시기, 치환된 C6-C60아릴티오기, 치환된 C1-C60헤테로아릴기, 치환된 C2-C60알킬헤테로아릴기, 치환된 1가 비-방향족 축합다환 그룹 및 치환된 1가 비-방향족 헤테로축합다환 그룹의 치환기는, 중수소, -CD3, -CD2H, -CDH2, 시아노기, C1-C60알킬기, C2-C60알케닐기, C3-C10시클로알킬기, C6-C60아릴기, -Si(Q33)(Q34)(Q35), -Ge(Q33)(Q34)(Q35), 또는 이의 임의의 조합이고,
상기 Q3 내지 Q5 및 Q33 내지 Q35는 서로 독립적으로,
-CH3, -CD3, -CD2H, -CDH2, -CH2CH3, -CH2CD3, -CH2CD2H, -CH2CDH2, -CHDCH3, -CHDCD2H, -CHDCDH2, -CHDCD3, -CD2CD3, -CD2CD2H 또는 -CD2CDH2; 또는
중수소, C1-C10알킬기, 페닐기, 또는 이의 임의의 조합으로 치환 또는 비치환된, n-프로필기, 이소프로필기, n-부틸기, sec-부틸기, 이소부틸기, tert-부틸기, n-펜틸기, tert-펜틸기, 네오펜틸기, 이소펜틸기, sec-펜틸기, 3-펜틸기, sec-이소펜틸기, 페닐기, 비페닐기 또는 나프틸기;
이고,
상기 유기금속 화합물은 하기 화합물이 아니다:
. - 제1항에 있어서,
하기 <수식 2>를 만족한, 유기금속 화합물:
<수식 2>
1.06 - x ≤ y ≤ 1.95 - 2.7x
상기 수식 2 중 x 및 y에 대한 설명은 각각 제1항에 기재된 바와 동일하다. - 제1항에 있어서,
하기 <수식 3>를 만족한, 유기금속 화합물:
<수식 3>
1.06 - x ≤ y ≤ 4.70 - 10.0x
상기 수식 3 중 x 및 y에 대한 설명은 각각 제1항에 기재된 바와 동일하다. - 제1항에 있어서,
하기 <수식 5>를 만족한, 유기금속 화합물:
<수식 5>
1.00 - 0.5x ≤ y ≤ 1.95 - 2.7x
상기 수식 5 중 x 및 y에 대한 설명은 각각 제1항에 기재된 바와 동일하다. - 제1항에 있어서,
상기 x가 0.08 내지 0.39의 범위인, 유기금속 화합물. - 제1항에 있어서,
상기 y가 0.30 내지 1.00의 범위인, 유기금속 화합물. - 제1항에 있어서,
2.5 x 105 s-1 내지 2.0 x 106 s-1 범위의 방사 감쇠율을 갖는, 유기금속 화합물. - 제1항에 있어서,
85% 내지 100% 범위의 전이 쌍극자 모멘트(transition dipole moment)의 수평 배향율(horizontal orientation ratio)을 갖는, 유기금속 화합물. - 제1항에 있어서,
상기 유기금속 화합물이 상기 화학식 1F 또는 1G로 표시되고,
상기 화학식 3-1(301) 중 Z11 및 Z13은 서로 독립적으로, 치환 또는 비치환된 C2-C60알킬기 또는 치환 또는 비치환된 C3-C10시클로알킬기인, 유기금속 화합물. - 제1전극;
제2전극; 및
상기 제1전극과 상기 제2전극 사이에 배치되고, 발광층을 포함한 유기층;
을 포함하고,
상기 유기층은, 제1항 내지 제9항 중 어느 한 항의 유기금속 화합물을 1종 이상 포함한, 유기 발광 소자. - 제10항에 있어서,
상기 유기금속 화합물이 상기 발광층에 포함되어 있는, 유기 발광 소자. - 제11항에 있어서,
상기 유기금속 화합물의 전이 쌍극자 모멘트의 상기 발광층의 평면에 대한 수평 배향율이 85% 내지 100%인, 유기 발광 소자. - 제12항에 있어서,
상기 발광층이 호스트를 더 포함한, 유기 발광 소자. - 제13항에 있어서,
상기 호스트는 카바졸 그룹, 플루오렌 그룹, 스파이로바이플루오렌 그룹, 디벤조퓨란 그룹, 디벤조티오펜 그룹, 디벤조실롤 그룹, 인데노카바졸 그룹, 인돌로카바졸 그룹, 벤조퓨로카바졸 그룹, 벤조티에노카바졸 그룹, 아크리딘 그룹, 디하이드로아크리딘 그룹, 트라이인돌로벤젠 그룹, 아자디벤조퓨란 그룹, 아자디벤조티오펜 그룹, 아자카바졸 그룹, 아자플루오렌 그룹, 아자디벤조실롤 그룹, 피리딘 그룹, 피리미딘 그룹, 피라진 그룹, 피리다진 그룹, 트리아진 그룹, 퀴놀린 그룹, 이소퀴놀린 그룹, 퀴녹살린 그룹, 퀴나졸 그룹, 페난트롤린 그룹, 페나진 그룹, 시놀린 그룹, 시아노 그룹, 포스핀 옥사이드 그룹, 설폭사이드 그룹, 또는 이의 임의의 조합을 포함한, 유기 발광 소자. - 제13항에 있어서,
상기 호스트가 정공 수송성 호스트 및 전자 수송성 호스트를 포함하고, 상기 정공 수송성 호스트와 상기 전자 수송성 호스트는 서로 상이한, 유기 발광 소자. - 삭제
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