TWI567075B - 6H-吲哚〔3,2-b〕喹喔啉衍生物及其有機發光二極體 - Google Patents
6H-吲哚〔3,2-b〕喹喔啉衍生物及其有機發光二極體 Download PDFInfo
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- TWI567075B TWI567075B TW099119429A TW99119429A TWI567075B TW I567075 B TWI567075 B TW I567075B TW 099119429 A TW099119429 A TW 099119429A TW 99119429 A TW99119429 A TW 99119429A TW I567075 B TWI567075 B TW I567075B
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- Prior art keywords
- quinoxaline
- emitting diode
- organic light
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- LCKIWLDOHFUYDV-UHFFFAOYSA-N 6h-indolo[3,2-b]quinoxaline Chemical class C1=CC=C2N=C3C4=CC=CC=C4NC3=NC2=C1 LCKIWLDOHFUYDV-UHFFFAOYSA-N 0.000 title description 4
- 239000010410 layer Substances 0.000 claims description 38
- XSCHRSMBECNVNS-UHFFFAOYSA-N quinoxaline Chemical compound N1=CC=NC2=CC=CC=C21 XSCHRSMBECNVNS-UHFFFAOYSA-N 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 26
- 150000003252 quinoxalines Chemical class 0.000 claims description 22
- -1 9H-carbazole-9-yl Chemical group 0.000 claims description 12
- 125000003118 aryl group Chemical group 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 10
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 8
- 239000012044 organic layer Substances 0.000 claims description 8
- 125000001424 substituent group Chemical group 0.000 claims description 8
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 6
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- SIKJAQJRHWYJAI-UHFFFAOYSA-N benzopyrrole Natural products C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 5
- PZOUSPYUWWUPPK-UHFFFAOYSA-N indole Natural products CC1=CC=CC2=C1C=CN2 PZOUSPYUWWUPPK-UHFFFAOYSA-N 0.000 claims description 5
- RKJUIXBNRJVNHR-UHFFFAOYSA-N indolenine Natural products C1=CC=C2CC=NC2=C1 RKJUIXBNRJVNHR-UHFFFAOYSA-N 0.000 claims description 5
- FZWUQFUEESZIML-UHFFFAOYSA-N C1(=CC=CC=C1)C1=NC2=CCC=CC2=C1 Chemical compound C1(=CC=CC=C1)C1=NC2=CCC=CC2=C1 FZWUQFUEESZIML-UHFFFAOYSA-N 0.000 claims description 4
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 claims description 4
- 239000012670 alkaline solution Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 4
- MFRIHAYPQRLWNB-UHFFFAOYSA-N sodium tert-butoxide Chemical compound [Na+].CC(C)(C)[O-] MFRIHAYPQRLWNB-UHFFFAOYSA-N 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 4
- RWSCPUSXORKSAZ-UHFFFAOYSA-N 6h-indole Chemical compound C1C=CC2=CC=NC2=C1 RWSCPUSXORKSAZ-UHFFFAOYSA-N 0.000 claims description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 3
- 239000004305 biphenyl Substances 0.000 claims description 3
- 235000010290 biphenyl Nutrition 0.000 claims description 3
- 239000002019 doping agent Substances 0.000 claims description 3
- 150000004033 porphyrin derivatives Chemical class 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- 239000001488 sodium phosphate Substances 0.000 claims description 3
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 3
- 241000156724 Antirhea Species 0.000 claims description 2
- YFPJFKYCVYXDJK-UHFFFAOYSA-N Diphenylphosphine oxide Chemical compound C=1C=CC=CC=1[P+](=O)C1=CC=CC=C1 YFPJFKYCVYXDJK-UHFFFAOYSA-N 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 claims description 2
- 229910000024 caesium carbonate Inorganic materials 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- 239000003446 ligand Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 2
- 229910000160 potassium phosphate Inorganic materials 0.000 claims description 2
- 235000011009 potassium phosphates Nutrition 0.000 claims description 2
- 238000003786 synthesis reaction Methods 0.000 claims description 2
- 230000002194 synthesizing effect Effects 0.000 claims description 2
- AKQNYQDSIDKVJZ-UHFFFAOYSA-N triphenylsilane Chemical compound C1=CC=CC=C1[SiH](C=1C=CC=CC=1)C1=CC=CC=C1 AKQNYQDSIDKVJZ-UHFFFAOYSA-N 0.000 claims description 2
- SSJXIUAHEKJCMH-PHDIDXHHSA-N (1r,2r)-cyclohexane-1,2-diamine Chemical compound N[C@@H]1CCCC[C@H]1N SSJXIUAHEKJCMH-PHDIDXHHSA-N 0.000 claims 2
- XNCMQRWVMWLODV-UHFFFAOYSA-N 1-phenylbenzimidazole Chemical compound C1=NC2=CC=CC=C2N1C1=CC=CC=C1 XNCMQRWVMWLODV-UHFFFAOYSA-N 0.000 claims 2
- 150000001491 aromatic compounds Chemical class 0.000 claims 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 2
- FZTLLUYFWAOGGB-UHFFFAOYSA-N 1,4-dioxane dioxane Chemical compound C1COCCO1.C1COCCO1 FZTLLUYFWAOGGB-UHFFFAOYSA-N 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- GBRBMTNGQBKBQE-UHFFFAOYSA-L copper;diiodide Chemical compound I[Cu]I GBRBMTNGQBKBQE-UHFFFAOYSA-L 0.000 claims 1
- 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 29
- 101000837344 Homo sapiens T-cell leukemia translocation-altered gene protein Proteins 0.000 description 29
- 102100028692 T-cell leukemia translocation-altered gene protein Human genes 0.000 description 29
- CUJRVFIICFDLGR-UHFFFAOYSA-N acetylacetonate Chemical compound CC(=O)[CH-]C(C)=O CUJRVFIICFDLGR-UHFFFAOYSA-N 0.000 description 23
- 150000001875 compounds Chemical class 0.000 description 13
- 230000005525 hole transport Effects 0.000 description 8
- 229910052736 halogen Inorganic materials 0.000 description 7
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 6
- 125000003277 amino group Chemical group 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 6
- 150000002367 halogens Chemical class 0.000 description 5
- MILUBEOXRNEUHS-UHFFFAOYSA-N iridium(3+) Chemical compound [Ir+3] MILUBEOXRNEUHS-UHFFFAOYSA-N 0.000 description 5
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 description 4
- 125000001072 heteroaryl group Chemical group 0.000 description 4
- 238000004020 luminiscence type Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- CECAIMUJVYQLKA-UHFFFAOYSA-N iridium 1-phenylisoquinoline Chemical compound [Ir].C1=CC=CC=C1C1=NC=CC2=CC=CC=C12.C1=CC=CC=C1C1=NC=CC2=CC=CC=C12.C1=CC=CC=C1C1=NC=CC2=CC=CC=C12 CECAIMUJVYQLKA-UHFFFAOYSA-N 0.000 description 3
- 238000004768 lowest unoccupied molecular orbital Methods 0.000 description 3
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical compound C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 description 2
- QWENRTYMTSOGBR-UHFFFAOYSA-N 1H-1,2,3-Triazole Chemical compound C=1C=NNN=1 QWENRTYMTSOGBR-UHFFFAOYSA-N 0.000 description 2
- KYQCOXFCLRTKLS-UHFFFAOYSA-N Pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- 125000003710 aryl alkyl group Chemical group 0.000 description 2
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 2
- KNUDUEGWFZBCDH-UHFFFAOYSA-N bis(4-indolo[3,2-b]quinoxalin-6-ylphenyl)-diphenylsilane Chemical compound C1=CC=CC=C1[Si](C=1C=CC(=CC=1)N1C2=NC3=CC=CC=C3N=C2C2=CC=CC=C21)(C=1C=CC(=CC=1)N1C2=NC3=CC=CC=C3N=C2C2=CC=CC=C21)C1=CC=CC=C1 KNUDUEGWFZBCDH-UHFFFAOYSA-N 0.000 description 2
- 229940125904 compound 1 Drugs 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- NIHNNTQXNPWCJQ-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 2
- 125000001188 haloalkyl group Chemical group 0.000 description 2
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 125000003107 substituted aryl group Chemical group 0.000 description 2
- PWELTZJKSJRHJK-UHFFFAOYSA-N (4-indolo[3,2-b]quinoxalin-6-ylphenyl)-triphenylsilane Chemical compound C1=CC=CC=C1[Si](C=1C=CC(=CC=1)N1C2=NC3=CC=CC=C3N=C2C2=CC=CC=C21)(C=1C=CC=CC=1)C1=CC=CC=C1 PWELTZJKSJRHJK-UHFFFAOYSA-N 0.000 description 1
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 1
- BCMCBBGGLRIHSE-UHFFFAOYSA-N 1,3-benzoxazole Chemical compound C1=CC=C2OC=NC2=C1 BCMCBBGGLRIHSE-UHFFFAOYSA-N 0.000 description 1
- GCBNIIKPVIHBGR-UHFFFAOYSA-N 1,3-oxazole Chemical compound C1=COC=N1.C1=COC=N1 GCBNIIKPVIHBGR-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- KJUGUADJHNHALS-UHFFFAOYSA-N 1H-tetrazole Chemical compound C=1N=NNN=1 KJUGUADJHNHALS-UHFFFAOYSA-N 0.000 description 1
- STTGYIUESPWXOW-UHFFFAOYSA-N 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline Chemical compound C=12C=CC3=C(C=4C=CC=CC=4)C=C(C)N=C3C2=NC(C)=CC=1C1=CC=CC=C1 STTGYIUESPWXOW-UHFFFAOYSA-N 0.000 description 1
- IMSODMZESSGVBE-UHFFFAOYSA-N 2-Oxazoline Chemical compound C1CN=CO1 IMSODMZESSGVBE-UHFFFAOYSA-N 0.000 description 1
- UUNIOFWUJYBVGQ-UHFFFAOYSA-N 2-amino-4-(3,4-dimethoxyphenyl)-10-fluoro-4,5,6,7-tetrahydrobenzo[1,2]cyclohepta[6,7-d]pyran-3-carbonitrile Chemical compound C1=C(OC)C(OC)=CC=C1C1C(C#N)=C(N)OC2=C1CCCC1=CC=C(F)C=C12 UUNIOFWUJYBVGQ-UHFFFAOYSA-N 0.000 description 1
- RKVIAZWOECXCCM-UHFFFAOYSA-N 2-carbazol-9-yl-n,n-diphenylaniline Chemical compound C1=CC=CC=C1N(C=1C(=CC=CC=1)N1C2=CC=CC=C2C2=CC=CC=C21)C1=CC=CC=C1 RKVIAZWOECXCCM-UHFFFAOYSA-N 0.000 description 1
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical group CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 description 1
- NSPMIYGKQJPBQR-UHFFFAOYSA-N 4H-1,2,4-triazole Chemical compound C=1N=CNN=1 NSPMIYGKQJPBQR-UHFFFAOYSA-N 0.000 description 1
- JPPHGJLEYUPMJG-UHFFFAOYSA-N 6-(3-diphenylphosphorylphenyl)indolo[3,2-b]quinoxaline Chemical compound C=1C=CC=CC=1P(C=1C=C(C=CC=1)N1C2=NC3=CC=CC=C3N=C2C2=CC=CC=C21)(=O)C1=CC=CC=C1 JPPHGJLEYUPMJG-UHFFFAOYSA-N 0.000 description 1
- DZEZZMBBXNPKQD-UHFFFAOYSA-N 6-(3-indolo[3,2-b]quinoxalin-6-ylphenyl)indolo[3,2-b]quinoxaline Chemical compound C12=CC=CC=C2C2=NC3=CC=CC=C3N=C2N1C1=CC(N2C3=NC4=CC=CC=C4N=C3C3=CC=CC=C32)=CC=C1 DZEZZMBBXNPKQD-UHFFFAOYSA-N 0.000 description 1
- BIEXWLMDBFZJGQ-UHFFFAOYSA-N 6-(4-diphenylphosphorylphenyl)indolo[3,2-b]quinoxaline Chemical compound C=1C=CC=CC=1P(C=1C=CC(=CC=1)N1C2=NC3=CC=CC=C3N=C2C2=CC=CC=C21)(=O)C1=CC=CC=C1 BIEXWLMDBFZJGQ-UHFFFAOYSA-N 0.000 description 1
- PSBHTTFQLMTHBV-UHFFFAOYSA-N C1(=CC=CC=C1)C1C=CC2=CC=NC2=C1 Chemical compound C1(=CC=CC=C1)C1C=CC2=CC=NC2=C1 PSBHTTFQLMTHBV-UHFFFAOYSA-N 0.000 description 1
- 125000003860 C1-C20 alkoxy group Chemical group 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical class CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 1
- FZXAAJAZYIPUGV-HHAKAGGTSA-N N[C@H]1[C@@H](CCCC1)N.N[C@H]1[C@@H](CCCC1)N Chemical compound N[C@H]1[C@@H](CCCC1)N.N[C@H]1[C@@H](CCCC1)N FZXAAJAZYIPUGV-HHAKAGGTSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- PCNDJXKNXGMECE-UHFFFAOYSA-N Phenazine Natural products C1=CC=CC2=NC3=CC=CC=C3N=C21 PCNDJXKNXGMECE-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical class OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- WTKZEGDFNFYCGP-UHFFFAOYSA-N Pyrazole Chemical compound C=1C=NNC=1 WTKZEGDFNFYCGP-UHFFFAOYSA-N 0.000 description 1
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 description 1
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 1
- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical compound C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 description 1
- VQZXYWOFXMTLTH-UHFFFAOYSA-L [Cu](I)I.[I] Chemical compound [Cu](I)I.[I] VQZXYWOFXMTLTH-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000003282 alkyl amino group Chemical group 0.000 description 1
- 125000000304 alkynyl group Chemical group 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 125000005428 anthryl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C(*)=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- RFRXIWQYSOIBDI-UHFFFAOYSA-N benzarone Chemical compound CCC=1OC2=CC=CC=C2C=1C(=O)C1=CC=C(O)C=C1 RFRXIWQYSOIBDI-UHFFFAOYSA-N 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 229940125782 compound 2 Drugs 0.000 description 1
- 150000004696 coordination complex Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 238000002484 cyclic voltammetry Methods 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 239000012954 diazonium Chemical group 0.000 description 1
- 150000001989 diazonium salts Chemical group 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000004770 highest occupied molecular orbital Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 125000003037 imidazol-2-yl group Chemical group [H]N1C([*])=NC([H])=C1[H] 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JXDYKVIHCLTXOP-UHFFFAOYSA-N isatin Chemical class C1=CC=C2C(=O)C(=O)NC2=C1 JXDYKVIHCLTXOP-UHFFFAOYSA-N 0.000 description 1
- ZLTPDFXIESTBQG-UHFFFAOYSA-N isothiazole Chemical compound C=1C=NSC=1 ZLTPDFXIESTBQG-UHFFFAOYSA-N 0.000 description 1
- CTAPFRYPJLPFDF-UHFFFAOYSA-N isoxazole Chemical compound C=1C=NOC=1 CTAPFRYPJLPFDF-UHFFFAOYSA-N 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 125000005561 phenanthryl group Chemical group 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229910001392 phosphorus oxide Inorganic materials 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 125000001725 pyrenyl group Chemical group 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 150000005621 tetraalkylammonium salts Chemical class 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 125000005490 tosylate group Chemical group 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
- 150000008648 triflates Chemical class 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical group O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic System
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6561—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom containing systems of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring or ring system, with or without other non-condensed hetero rings
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- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
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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
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic System
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/0803—Compounds with Si-C or Si-Si linkages
- C07F7/081—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te
- C07F7/0812—Compounds with Si-C or Si-Si linkages comprising at least one atom selected from the elements N, O, halogen, S, Se or Te comprising a heterocyclic ring
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/40—Organosilicon compounds, e.g. TIPS pentacene
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
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- H10K85/60—Organic compounds having low molecular weight
- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
- H10K85/6572—Polycyclic condensed heteroaromatic hydrocarbons comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- H10K50/14—Carrier transporting layers
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- H10K50/18—Carrier blocking layers
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- H10K50/00—Organic light-emitting devices
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- H10K50/18—Carrier blocking layers
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- H10K85/341—Transition metal complexes, e.g. Ru(II)polypyridine complexes
- H10K85/342—Transition metal complexes, e.g. Ru(II)polypyridine complexes comprising iridium
Description
本發明是關於一種化合物及其有機發光二極體,尤其是一種6H-吲哚[3,2-b]喹喔啉衍生物及其有機發光二極體。
有機發光二極體(Organic light-emitting diode,OLED)為應用有機材料或有機半導體材料製作之發光元件,其工作原理為電洞及電子分別在電洞傳輸材料及電子傳輸材料中傳遞至發光層中,進行電子電洞再結合以形成激子,激子再進行能量的轉移以發光,其顏色受發光材料所控制。有機發光二極體具有自發光、廣視角(>170°)、反應時間短(~μs)、高對吡、高效率、省電、高亮度、低操作電壓(3-10V)、更輕薄(<2mm)、可撓曲性等優點,因此近年來備受矚目。
電洞和電子之再結合而產生的激子可具有三重態(triplet state)或單重態(singlet state)之自旋態(spin state)。由單重態激子(singlet exciton)所產生的發光為螢光(fluorescence),而由三重態激子(triplet exciton)所產生的發光為磷光(phosphorescence)。磷光的發光效率是螢光的三倍,藉由引入重金屬在發光體結構中,造成強烈的自旋軌道耦合(spin-orbital coupling),進而使得單重態及三重態激發狀態之間的混合,以致於原件的內部量子效率(internal quantum efficiency,IQE)可大幅提升至100%,因此近年來有機發光二極體多採用發磷光的金屬錯合物做為發光層中的磷光摻雜劑。此外,在發光層中通常會以掺雜技術的製程,將發光材料掺雜在主體發光材料中,以抑制發光材料自我淬息的發生,因此,主體發光材料的開發為相當重要的一個課題,主體發光材料必須具備易捕捉載子、能量轉移特性佳、高玻璃轉換溫度、高熱穩定性、合適
的單重態及三重態能隙。然而,由於上述條件相當難以完全符合,因此有機發光二極體在主體發光材料的開發上仍有很大改善的空間。
綜合上述,開發新穎的主體發光材料是目前亟需努力的目標。
本發明之目的為提供一種新穎化合物及有機發光二極體。依據本發明一實施例,一種6H-吲哚[3,2-b]喹喔啉衍生物,其具有化學式3:
,其中R及R’為氫,其中R”為對位或間位,R”係選自、
及所組成之群組,其中R17至R20為不具取代基之芳基,R21
至R23為不具取代基之苯基或6H-吲哚[3,2-b]唑喔啉。
依據本發明另一實施例,一種有機發光二極體,包括一陰極、一陽極以及設置於陰極及陽極之間的一有機層,其中有機層包含上述的6H-吲哚[3,2-b]喹喔啉衍生物。
依據本發明再一實施例,一種6H-吲哚[3,2-b]喹喔啉衍生物之合成方法,係藉由下列方程式所達成。
本發明上述及其他態樣、特性及優勢可由附圖及實施例之說明而可更加了解。
請參照下列化學式I顯示本發明之6H-吲哚[3,2-b]喹喔啉衍生物,
其中,R9可選自具有一或多取代基之一芳基(aryl group)及一雜芳基(heteroaryl)。其中芳基例如為苯(phenyl)、萘(naphthyl)、聯苯(diphenyl)、蒽(anthryl)、芘(pyrenyl)、菲基(phenanthryl)、芴(fluorene)或其它多苯基。雜芳基例如為吡喃(pyrane)、呋喃(furan)、苯並呋喃(benzofuran)、噻吩(thiophene)、苯並噻吩(benzothiophene)、吡啶(pyridine)、喹啉(quinoline)、異喹啉(isoquinoline)、吡嗪(pyrazine)、嘧啶(pyrimidine)、吡咯(pyrrole)、吡唑(pyrazole)、咪唑(imidazole)、吲哚(indole)、噻唑(thiazole)、異噻唑(isothiazole)、噁唑(oxazole)、異噁唑(isoxazole)、苯並噻唑(benzothiazole)、苯並噁唑(benzoxazole)、1,2,4三氮唑(1,2,4-triazole)、1,2,3三氮唑(1,2,3-triazole,)、
1,2,3,4-四氮唑(1,2,3,4-tetraazole)、菲(phenanthroline)或其他雜環芳基。
R1至R8及R9之取代基各自獨立地選自氫(H)、鹵素(halogen)、芳基(aryl group)、烯基(alkenyl)、具有C1-C20的烷基(C1-C20 alkyl group)、炔基(alkynyl)、氰基(cyano,CN)、三氟甲基(trifluoromethyl,CF3)、烷氨基(alkylamino)、胺基(amino)、烷氧基(alkoxy)、雜芳基(heteroaryl)、具有鹵素取代基的芳基(halogen substituted aryl group)、具有鹵素取代基的芳烷基(halogen substituted aralkyl group)、具有鹵代烷基取代基的芳基(haloalkyl substituted aryl group)、具有鹵代烷基取代基的芳烷基(haloalkyl substituted aralkyl group)、具有芳基的C1-C20烷基(aryl substituted C1-C20 alkyl group)、環烷基(cycloalkyl group)、具有C1-C20烷基的烷氧基(C1-C20 alkoxy group)、具有C1-C20烷基取代的氨基(C1-C20 alkyl substituted amino group)、具有鹵代烷基取代基的氨基(haloalkyl substituted amino group)、具有芳基取代的氨基(aryl substituted amino group)、具有雜芳基取代基的氨基(heteroaryl substituted amino group)、具有芳基取代的磷氧基(aryl substituted phosphine oxide)、具有C1-C20烷基取代的磷氧基(C1-C20 alkyl substituted phosphine oxide)、具有鹵代烷基取代基的磷氧基(haloalkyl substituted phosphine oxide)、具有鹵素取代基的磷氧基(halogen substituted phosphine oxide)、具有雜芳基取代基的磷氧基(heteroaryl substituted phosphine oxide)、硝基(nitro group)、羰基(carbonyl group)、具有芳基取代的羰基(aryl substituted carbonyl group)、具有雜芳基取代基的羰基(heteroaryl substituted carbonyl group)具有鹵素取代基的C1-C20烷基(halogen substituted C1-C20 alkyl group)。
較佳者,R9為一苯環,而本發明化合物為6苯基-6H-吲哚[3,2-b]喹喔啉衍生物,具有化學式(II):
目前已知喹喔啉(Quinoxaline)衍生物具有良好的電子遷移率及非常低的最低電子未佔有軌域(lowest unoccupied molecular orbital,LUMO)能階,因此電子很容易注入。因此喹喔啉衍生物可適合做為有效率的電子傳輸層。
本發明之化合物具有6H-吲哚[3,2-b]喹喔啉官能基,其結合了吲哚及喹喔啉,因此具有吲哚之高熱穩定性、良好能量轉移能力及喹喔啉之良好電子注入能力,而可做為有機電子裝置之中的主體發光材料、客體發光材料、電子傳輸材料或電洞傳輸材料。
其中為達較佳的熱穩定性、能量轉移能力、電子傳遞及電洞傳遞效能,化學式(I)中R9的取代基以及化學式(II)中的R10至R14之其一為下列結構式,
舉例而言,例如為:三苯基矽(triphenylsilane)、二苯基磷氧(diphenylphosphine oxide)及二苯胺(diphenylamine)。
或者,化學式II之中R10至R14為下列結構。
或者,可形成6H-吲哚[3,2-b]喹喔啉之二聚體形式,例如R10至R14之其一係選自由6H-吲哚[3,2-b]喹喔啉、6(苯基)-6H-吲哚[3,2-b]喹喔啉、6(聯苯基)-6H-吲哚[3,2-b]喹喔啉所組成之群組:
或例如本發明之化合物為下列結構:bis(4-(6H-indolo[3,2-b]quinoxalin-6-yl)phenyl)diphenyl silane
或6,6'-(4,4'-(9H-fluorene-9,9-diyl)bis(4,1-phenylene))bis(6H-indolo[3,2-b]quinoxaline)
以下揭示本發明之化合物之合成方式。
請參照下列反應途徑,6H-indolo[3,2-b]quinoxaline衍生物1之製備可藉由將反應物鄰苯二胺(o-phenylenediamine)與靛紅(isatin)衍生物在酸性溶劑下反應而得到。H+之提供者例如可為醋酸(acetic acid)、鹽酸(hydrogen chloride)、硫酸(sulfuric acid)、硝酸(nitric acid)。其產率為99%。
其中,R及R’之選擇可參上述R1至R8取代基之組合。
接下來,本發明之具有6H-indolo[3,2-b]quinoxaline官能團之化合物2,可由化合物1與各種具有R”及X取代基之芳基或雜芳基化合物反應而得到。其中於下圖顯示為具有R”及X取代基之苯環化合物與化合物1於一鹼性溶液中進行下列反應方程式,以得到具
芳香族取代基之6H-吲哚[3,2-b]喹喔啉衍生物,其中溶劑例如可為1,4-二氧六環(1,4-dioxane)、二甲基亞碸(dimethyl sulfoxide)、甲苯(toluene)、四氫呋喃(tetrahydrofuran)、N,N-二甲基甲醯胺(dimethylformamide)、或乙晴(acetonitrile);OH-之提供者例如可為磷酸鉀(potassium phosphate)、磷酸三鈉(sodium phosphate)、碳酸鉀(potassium carbonate)、碳酸鈉(sodium carbonate)、碳酸銫(cesium carbonate)、叔丁醇鈉(sodium tert-butoxide)、氫氧化鉀(potassium hydroxide)、或氫氧化鈉(sodium hydroxide);催化劑可為以(±)-反式-1,2-二氨基環己烷((±)-trans-1,2-diaminocyclohexane)為配位基的碘化銅(copper iodide),而可得到本發明一例示之化合物。
其中Ar之較佳者為苯環化合物,其反應式如下列,而得到6-(苯基)-6H-吲哚[3,2-b]喹喔啉衍生物。
其中,R”之選擇可參照上述R10至R14之取代基組合。
X為選自下列群組,包括:鹵素、氫、醇類、苯磺酸鹽(tosylates)、重氮鹽(diazonium salts)、氟磺酸鹽(nonaflates)、
三氟甲磺酸鹽(triflates)、氟磺酸鹽(fluorosulfonates)、甲磺酸酯(mesylates)、硝酸鹽、磷酸鹽、四烷基氨鹽(tetraalkylammonium salts)、醚類、酯類、酸酐(acid anhydrides)、銨鹽、酚鹽(phenoxides)、羧酸等。
以下更加詳細舉出具有6H-吲哚[3,2-b]喹喔啉衍生物之本發明化合物範例。然而,本發明之範圍並不以這些範例為限,而應參照之後的申請專利範圍。
範例1
6-(3-(1-phenyl-1H-benzo[d]imidazol-2-yl)phenyl)-6H-indolo[3,2-b]quinoxaline(簡稱m-INQBz,產率87%)
1H NMR(400MHz,CDCl3,δ[ppm]):8.49(d,J=8.0Hz,1H),8.30(m,1H),8.06(m,1H),7.87(m,2H),7.79(m,2H),7.71(m,2H),7.63(t,J=8.0Hz,1H),7.54(m,4H),7.42(m,3H),7.33(m,1H),7.26(m,2H),7.07(d,J=8.0Hz,1H)13C NMR(100MHz,CDCl3,δ[ppm]):□151.25,145.56,144.185,142.87,140.33,139.97,139.76,137.35,136.81,135.45,131.67,130.99,130.14,129.88,129.15,128.79,128.70,128.29,127.56,127.52,126.55,123.17,122.54,121.87,119.95,119.76,110.50,110.33.HRMS(FAB,m/z):[M+]calcd.for C33H21N5,487.1797;found 487.1795.
範例2
6-(3-(9H-carbazol-9-yl)phenyl)-6H-indolo[3,2-b]quinox aline(簡稱m-INQCz,產率95%)
1H NMR(400MHz,CDCl3,δ[ppm]):8.58(d,J=7.6Hz,1H),8.35(m,1H),8.18(m,1H),8.15(d,J=7.6Hz,2H),8.11(m,1H),7.85(m,5H),7.75(m,3H),7.69(m,1H),7.49(m,
3H),7.32(t,J=7.6Hz,2H)13C NMR(100MHz,CDCl3,δ[ppm]):145.44,143.83,140.38,139.97,139.88,138.95,136.77,131.03,130.64,129.24,128.97,128.05,126.67,126.03,125.22,125.19,124.32,123.62,122.77,122.12,120.30,120.04,110.52,109.99.HRMS(FAB,m/z):[M+]calcd.for C32H20N4,460.1688;found 460.1692.
範例3
1-(6H-indolo[2,3-b]quinoxalin-6-yl)-3-(6H-indolo[3,2-b]quinoxalin-6-yl)benzene(簡稱mDINQ,產率97%)
1H NMR(400MHz,CDCl3,δ[ppm]):8.61(d,J=8.0Hz,2H),8.37(d,J=8.0Hz,2H),8.19(s,1H),8.18(d,J=8.0Hz,2H),8.03(d,J=8.4Hz,2H),7.96(m,3H),7.78(m,6H),7.50(t,J=7.6Hz,2H).HRMS(FAB,m/z):[M+]calcd.for C34H20N6,512.1749;found 512.1747.
範例4
3-(6H-indolo[3,2-b]quinoxalin-6-yl)-N,N-diphenylbenze namine(簡稱m-INQDA,產率97%)
1H NMR(400MHz,CDCl3,δ[ppm]):8.44(d,J=8.0Hz,1H),8.27(m,1H),8.07(m,1H),7.78(m,1H),7.72(m,1H),7.64(t,J=7.2Hz,1H),7.51(m,2H),7.42(t,J=7.2Hz,1H),7.34(m,6H),7.26(m,4H),7.17(m,1H),7.07(t,J=7.6Hz,2H).13C NMR(100MHz,CDCl3,δ[ppm]):149.12,147.32,145.65,144.43,140.55,140.03,139.66,136.13,130.39,130.17,129.41,129.17,128.79,128.20,126.48,124.91,123.51,122.66,121.81,121.11,120.05,119.77,110.69.HRMS(FAB,m/z):[M+H]+ calcd.for C32H23N4,463.1923;found 463.1932.
範例5
6-(4-(triphenylsilyl)phenyl)-6H-indolo[3,2-b]quinoxaline(簡稱p-INQSi,產率79%)
1H NMR(400MHz,CDCl3,δ[ppm]):8.58(d,J=8.0Hz,1H),8.35(d,J=8.0Hz,1H),8.09(m,1H),7.85(d,J=8.0Hz,2H),7.85(d,J=8.0Hz,2H),7.74(m,2H),7.66(m,8H),7.47(m,10H).13C NMR(100MHz,CDCl3,δ[ppm]):145.66,144.39,140.49,140.18,139.78,137.70,136.66,134.17,133.83,131.02,129.80,128.87,128.21,128.01,126.59,126.02,122.72,122.00,119.97,110.80.HRMS(FAB,m/z):[M+]calcd.for C38H27N3Si,553.1974;found 553.1968.
範例6
6-(4-(9H-carbazol-9-yl)phenyl)-6H-indolo[3,2-b]quinox aline(簡稱p-INQCz,產率88%)
1H NMR(400MHz,CDCl3,δ[ppm]):8.58(d,J=8Hz,1H),8.34(m,1H),8.17(m,3H),8.01(m,2H),7.88(m,2H),7.77(m,2H),7.70(m,2H),7.61(d,J=8.0Hz,2H),7.50(m,3H),7.33(t,J=7.6Hz,2H).HRMS(FAB,m/z):[M+H]+ calcd.for C32H21N4,461.1766;found 461.1775.
範例7
4-(6H-indolo[3,2-b]quinoxalin-6-yl)-N,N-diphenylbenze namine(簡稱p-INQDA,產率95%)
1H NMR(400MHz,CDCl3,δ[ppm]):8.48(d,J=7.2Hz,1H),8.29(m,1H),8.07(m,1H),7.71(m,3H),7.56(m,3H),7.44(m,1H),7.36(m,4H),7.30(m,2H),7.24(m,4H),7.11(m,
2H).HRMS(FAB,m/z):[M+H]+ calcd.for C32H23N4,463.1923;found 463.1915.
範例8
(4-(6H-indolo[2,3-b]quinoxalin-6-yl)phenyl)(4-(6H-indolo[3,2-b]quinoxalin-6-yl)phenyl)diphenylsilane(簡稱2INQ,產率73%)
1H NMR(400MHz,CDCl3,δ[ppm]):8.55(d,J J=8.0Hz,2H),8.32(m,2H),8.10(m,2H),7.95(d,J=8.0Hz,4H),7.85(d,J=8.0Hz,4H),7.77-7.65(m,12H),7.51-7.45(m,8H).13C NMR(100MHz,CDCl3,δ[ppm]):145.67,144.36,140.50,140.22,139.84,137.79,136.90,136.54,133.73,133.48,131.05,130.04,129.25,128.91,128.18,126.64,126.15,122.75,122.07,120.03,110.82.HRMS(FAB,m/z):[M+]calcd.for C52H34N6Si,770.2614;found 770.2615.Anal.calcd for C52H34N6Si:C 81.01,H 4.45,N 10.90;found:C 80.95,H 4.75,N 10.59.
範例9
6,6'-(4,4'-(9H-fluorene-9,9-diyl)bis(4,1-phenylene))bis(6H-indolo[3,2-b]quinoxaline)(簡稱FINQ,產率81%)
1H NMR(400MHz,CDCl3,δ[ppm]):8.52(d,J=7.6Hz,2H),8.30(m,2H),8.08(m,2H),7.87(d,J=7.2Hz,2H),7.74-7.66(m,8H),7.64-7.55(m,10H),7.48-7.39(m,6H).13C NMR(100MHz,CDCl3,δ[ppm]):150.61,145.75,145.22,144.61,140.52,140.33,140.20,139.77,134.15,131.04,129.58,129.25,128.90,128.17,128.10,128.01,126.74,126.58,126.48,122.71,121.95,120.51,119.88,110.79.HRMS(FAB,m/z):[M+]calcd.for C53H32N6,752.2688;found 752.2687.Anal.calcd for C53H32N6:C 84.55,H 4.28,N 11.16;found:C 84.55,H 4.39,N 10.89.
範例10
6-(3-(diphenylphosphoryl)phenyl)-6H-indolo[3,2-b]quinoxaline(簡稱m-INQPO,產率78%)
1H NMR(400MHz,CDCl3,δ[ppm]):8.53(d,J=7.6Hz,1H),8.31(d,J=8.0Hz,1H),8.01(m,3H),7.89(m,1H),7.77(m,7H),7.49(m,9H).31P NMR(162MHz,CDCl3,δ[ppm]):28.83.
範例11
6-(4-(diphenylphosphoryl)phenyl)-6H-indolo[3,2-b]quinoxaline(簡稱p-INQPO,產率83%)
1H NMR(400MHz,CDCl3,δ[ppm]):8.57(d,J=7.6Hz,1H),8.34(m,1H),8.07(m,1H),7.95(m,4H),7.77(m,6H),7.61(m,4H),7.53(m,4H),7.46(m,1H).31P NMR(162MHz,CDCl3,δ[ppm]):29.01.
由上表可知,本發明之化合物波長約為460~550nm,因此可以製備一紅色有機發光二極體、一綠色有機發光二極體、紅色磷光有機發光二極體、一綠色磷光有機發光二極體。
此外,請參照圖1,為示意圖顯示具有6H-吲哚[3,2-b]喹喔啉衍生物的發光元件結構之一實施例。發光元件結構具有設置於陽極1及陰極2之間包含化合物的發光層3。發光層3係將發光材料摻雜至主體發光材料中所構成。發光元件結構還包括從陽極1上方依序形成之電洞傳輸層4、電子阻擋層9、發光層3、電洞阻擋層6、電子傳輸層5及電子注入層8。其中,各層之實際厚度與圖中所顯示之尺寸並無關係。其中,本發光元件之電子阻擋層9、電洞阻擋層6及電子注入層8為選擇性包含。其中6H-吲哚[3,2-b]喹喔啉衍生物可為發光層之一主體發光材料或一摻雜物。
所形成的裝置結構之中,ITO做為基板,測試的電極材料包括LiF/Al;測試的發光材料包括(piq)2Ir(acac)(iridium(III)bis(1-(phenyl)isoquinolinato-C2,N)-acetylanetonate)、Ir(piq)3(iridium(III)tri(1-(phenyl)isoquinolinato-C2,N))、Ir15(iridium(III)bis(4-methyl-2-(thiophen-2-yl)quinolinato-C3,N)-acetylacetonate)、(btp)2Ir(acac)(iridium(III)bis(2-2’-benzo[4,5-α]thienyl)pyridnato-C3,N)-acetylacetonate)及Ir6(iridium(III)bis(4-methyl-2-(naphthalen-1-yl)quinolinato-C2,N)-acetylacetonate);測試的電子傳輸層包括BCP(2,9-dimethyl-4,7-diphenyl-[1,10]phenanthroline)
及Alq3(tris(8-hydroxyquinoline)aluminum(III),其可做為電洞阻擋層或者同時做為電洞阻擋層及電子傳輸層。測試的電洞傳輸層包括NPB(4,4’-bis[N-(1-naphthyl)-N-phenyl-amino]bipheny)及TCTA(4,4’,4”-tri(N-carbazolyl)triphenylamine)),其可做為電子阻擋層或者同時做為電子阻擋層及電洞傳輸層。。
測試裝置的個別詳細架構如下列:
裝置A:NPB(20nm)/TCTA(10nm)/m-INQBz:7%(piq)2Ir(acac)(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置B:NPB(20nm)/TCTA(10nm)/m-INQCz:7%(piq)2Ir(acac)(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置C:NPB(20nm)/TCTA(10nm)/mDINQ:7%(piq)2Ir(acac)(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置D:NPB(20nm)/TCTA(10nm)/m-INQDA:7%(piq)2Ir(acac)(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置E:NPB(20nm)/TCTA(10nm)/p-INQSi:7%(piq)2Ir(acac)(30nm)/BCP(15nm)/Alq(40nm)/LiF(1nm)/Al(100nm)
裝置F:NPB(20nm)/TCTA(10nm)/p-INQSi:7%(piq)2Ir(acac)(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置G:NPB(20nm)/TCTA(10nm)/p-INQCz:7%(piq)2Ir(acac)(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置H:NPB(20nm)/TCTA(10nm)/p-INQDA:7%(piq)2Ir(acac)(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置I:NPB(20nm)/TCTA(10nm)/2INQ:1%(piq)2Ir(acac)(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置J:NPB(20nm)/TCTA(10nm)/2INQ:4%(piq)2Ir(acac)(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置K:NPB(20nm)/TCTA(10nm)/2INQ:7%(piq)2Ir(acac)(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置L:NPB(20nm)/TCTA(10nm)/2INQ:7%(piq)2Ir(acac)(30nm)/BCP(15nm)/Alq(40nm)/LiF(1nm)/Al(100nm)
裝置M:NPB(20nm)/TCTA(10nm)/2INQ:7%(piq)2Ir(acac)(30mm)/BCP(15nm)/Alq(60nm)/LiF(1nm)/Al(100nm)
裝置N:NPB(20nm)/TCTA(10nm)/2INQ:7% Ir15(30nm)/BCP(15nm)/Alq(70nm)/LiF(1nm)/Al(100nm)
裝置O:NPB(20nm)/TCTA(10nm)/2INQ:1% Ir15(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置P:NPB(20nm)/TCTA(10nm)/2INQ:4% Ir15(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置Q NPB(20nm)/TCTA(10nm)/2INQ:7% Ir15(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置R NPB(20nm)/TCTA(10nm)/2INQ:7% Ir(piq)3(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置S NPB(20nm)/TCTA(10nm)/2INQ:7%(btp)2Ir(acac)(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置T:NPB(20nm)/TCTA(10nm)/FINQ:1%(piq)2Ir(acac)(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置U:NPB(20nm)/TCTA(10nm)/FINQ:4%(piq)2Ir(acac)(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置V:NPB(20nm)/TCTA(10nm)/FINQ:7%(piq)2Ir(acac)(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置W NPB(20nm)/TCTA(10nm)/FINQ:7% Ir(piq)3(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置X NPB(20nm)/TCTA(10nm)/FINQ:7%(btp)2Ir(acac)(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置Y NPB(20nm)/TCTA(10nm)/2INQ:7% Ir6(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置Z NPB(20nm)/TCTA(10nm)/DPINQ:7%(piq)2Ir(acac)(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置Z’ NPB(20nm)/TCTA(10nm)/TPINQ:7%(piq)2Ir(acac)(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
裝置Z” NPB(20nm)/TCTA(10mm)/p-INQPO:7%(piq)2Ir(acac)(30nm)/BCP(15nm)/Alq(50nm)/LiF(1nm)/Al(100nm)
綜合上述,本發明之化合物具有6H-吲哚[3,2-b]喹喔啉官能基,其結合了吲哚及喹喔啉,因此具有吲哚之高熱穩定性、良好能量轉移能力及喹喔啉之良好電子注入能力,而可做為有機電子裝置之中的主體發光材料、客體發光材料、電子傳輸材料或電洞傳輸材料。
以上所述之實施例僅是為說明本發明之技術思想及特點,其目的在使熟習此項技藝之人士能夠瞭解本發明之內容並據以實施,當
不能以之限定本發明之專利範圍,即大凡依本發明所揭示之精神所作之均等變化或修飾,仍應涵蓋在本發明之專利範圍內。
1‧‧‧陽極
2‧‧‧陰極
3‧‧‧發光層
4‧‧‧電洞傳輸層
5‧‧‧電子傳輸層
6‧‧‧電洞阻擋層
8‧‧‧電子注入層
9‧‧‧電子阻擋層
圖1為示意圖顯示具有6H-吲哚[3,2-b]喹喔啉衍生物的發光元件結構。
1‧‧‧陽極
2‧‧‧陰極
3‧‧‧發光層
4‧‧‧電洞傳輸層
5‧‧‧電子傳輸層
6‧‧‧電洞阻擋層
8‧‧‧電子注入層
9‧‧‧電子阻擋層
Claims (11)
- 一種6H-吲哚[3,2-b]喹喔啉衍生物,其具有化學式3:
- 如請求項1所述之6H-吲哚[3,2-b]喹喔啉衍生物,其中R”係選自由三苯基矽(triphenylsilane)及二苯基磷氧(diphenylphosphine oxide)所組成的群組,如以下化學式所示:
- 一種有機發光二極體,包括:一陰極;一陽極;以及一有機層,設置於該陰極及該陽極之間,其中該有機層包含請求項1至2至少其一之6H-吲哚[3,2-b]喹喔啉衍生物。
- 如請求項3所述之有機發光二極體,其中該有機層為一發光層,而該6H-吲哚[3,2-b]喹喔啉衍生物為一主體發光材料。
- 如請求項3所述之有機發光二極體,其中該有機層為一發光層,而該6H-吲哚[3,2-b]喹喔啉衍生物為一摻雜物。
- 如請求項3所述之有機發光二極體,其中該有機發光二極體為一紅色 有機發光二極體、一綠色有機發光二極體、紅色磷光有機發光二極體、一綠色磷光有機發光二極體。
- 如請求項3所述之有機發光二極體,更包含一發光層,設置於該陰極及該陽極之間。
- 如請求項7所述之有機發光二極體,其中該有機層為一電子傳輸層,其位於該發光層和該陰極之間,以及該6H-吲哚[3,2-b]喹喔啉衍生物為一電子傳輸材料。
- 如請求項7所述之有機發光二極體,其中該有機層為一電洞阻擋層,其位於該發光層和該陰極之間,以及該6H-吲哚[3,2-b]喹喔啉衍生物為一電洞阻擋材料。
- 一種如請求項1所述之6H-吲哚[3,2-b]喹喔啉衍生物之合成方法,包含:提供一6H-吲哚[3,2-b]喹喔啉化合物,其具有化學式(III);
- 如請求項10所述的6H-吲哚[3,2-b]喹喔啉衍生物之合成方法,其中該鹼性溶液之溶劑為1,4-二氧六環(1,4-dioxane)、二甲基亞碸(dimethyl sulfoxide)、甲苯(toluene)、四氫呋喃(tetrahydrofuran)、N,N-二甲基甲醯胺(dimethylformamide)、或乙晴(acetonitrile);該鹼性溶液之OH-之提供者為磷酸鉀(potassium phosphate)、磷酸三鈉(sodium phosphate)、碳酸鉀(potassium carbonate)、碳酸鈉(sodium carbonate)、碳酸銫(cesium carbonate)、叔丁醇鈉(sodium tert-butoxide)、氫氧化鉀(potassium hydroxide)、或氫氧化鈉(sodium hydroxide)。
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