TWI529239B - 用於發光二極體的發光材料 - Google Patents
用於發光二極體的發光材料 Download PDFInfo
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- TWI529239B TWI529239B TW104113121A TW104113121A TWI529239B TW I529239 B TWI529239 B TW I529239B TW 104113121 A TW104113121 A TW 104113121A TW 104113121 A TW104113121 A TW 104113121A TW I529239 B TWI529239 B TW I529239B
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- TW
- Taiwan
- Prior art keywords
- group
- alkyl
- independently hydrogen
- aryl
- luminescent
- Prior art date
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- 239000000463 material Substances 0.000 title claims description 46
- 125000003118 aryl group Chemical group 0.000 claims description 31
- 229910052739 hydrogen Inorganic materials 0.000 claims description 18
- 239000001257 hydrogen Substances 0.000 claims description 18
- 125000000217 alkyl group Chemical group 0.000 claims description 16
- 229910052736 halogen Inorganic materials 0.000 claims description 14
- 150000002367 halogens Chemical class 0.000 claims description 14
- 150000002431 hydrogen Chemical class 0.000 claims description 12
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 11
- -1 cyano, carboxy Chemical group 0.000 claims description 9
- 125000003545 alkoxy group Chemical group 0.000 claims description 7
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 7
- 125000000449 nitro group Chemical group [O-][N+](*)=O 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
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 6
- 125000000547 substituted alkyl group Chemical group 0.000 claims description 3
- 125000003107 substituted aryl group Chemical group 0.000 claims description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 2
- 238000007641 inkjet printing Methods 0.000 claims description 2
- 238000004528 spin coating Methods 0.000 claims description 2
- 238000002207 thermal evaporation Methods 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 3
- 125000003277 amino group Chemical group 0.000 claims 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 14
- 125000004432 carbon atom Chemical group C* 0.000 description 11
- 125000001424 substituent group Chemical group 0.000 description 11
- 229910052697 platinum Inorganic materials 0.000 description 10
- 239000000126 substance Substances 0.000 description 9
- 239000003446 ligand Substances 0.000 description 7
- 238000010791 quenching Methods 0.000 description 7
- 230000000171 quenching effect Effects 0.000 description 7
- 125000006615 aromatic heterocyclic group Chemical group 0.000 description 6
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 6
- WSNMPAVSZJSIMT-UHFFFAOYSA-N COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 Chemical compound COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 WSNMPAVSZJSIMT-UHFFFAOYSA-N 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 5
- 229910052731 fluorine Inorganic materials 0.000 description 5
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- HRGDZIGMBDGFTC-UHFFFAOYSA-N platinum(2+) Chemical compound [Pt+2] HRGDZIGMBDGFTC-UHFFFAOYSA-N 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 229910052715 tantalum Inorganic materials 0.000 description 5
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 5
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 125000001072 heteroaryl group Chemical group 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 125000003342 alkenyl group Chemical group 0.000 description 3
- 229910052794 bromium Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000005525 hole transport Effects 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 125000004433 nitrogen atom Chemical group N* 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- BCMCBBGGLRIHSE-UHFFFAOYSA-N 1,3-benzoxazole Chemical compound C1=CC=C2OC=NC2=C1 BCMCBBGGLRIHSE-UHFFFAOYSA-N 0.000 description 2
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical compound C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 description 2
- KDCGOANMDULRCW-UHFFFAOYSA-N 7H-purine Chemical compound N1=CNC2=NC=NC2=C1 KDCGOANMDULRCW-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- KYQCOXFCLRTKLS-UHFFFAOYSA-N Pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 description 2
- WTKZEGDFNFYCGP-UHFFFAOYSA-N Pyrazole Chemical compound C=1C=NNC=1 WTKZEGDFNFYCGP-UHFFFAOYSA-N 0.000 description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 2
- 125000003710 aryl alkyl group Chemical group 0.000 description 2
- 125000005161 aryl oxy carbonyl group Chemical group 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 2
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 description 2
- 125000002704 decyl 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])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- AWJUIBRHMBBTKR-UHFFFAOYSA-N isoquinoline Chemical compound C1=NC=CC2=CC=CC=C21 AWJUIBRHMBBTKR-UHFFFAOYSA-N 0.000 description 2
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 125000006678 phenoxycarbonyl group Chemical group 0.000 description 2
- 150000003057 platinum Chemical class 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- XSCHRSMBECNVNS-UHFFFAOYSA-N quinoxaline Chemical compound N1=CC=NC2=CC=CC=C21 XSCHRSMBECNVNS-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 125000000446 sulfanediyl group Chemical group *S* 0.000 description 2
- 125000004434 sulfur atom Chemical group 0.000 description 2
- JWZZKOKVBUJMES-UHFFFAOYSA-N (+-)-Isoprenaline Chemical compound CC(C)NCC(O)C1=CC=C(O)C(O)=C1 JWZZKOKVBUJMES-UHFFFAOYSA-N 0.000 description 1
- UGUHFDPGDQDVGX-UHFFFAOYSA-N 1,2,3-thiadiazole Chemical compound C1=CSN=N1 UGUHFDPGDQDVGX-UHFFFAOYSA-N 0.000 description 1
- YGTAZGSLCXNBQL-UHFFFAOYSA-N 1,2,4-thiadiazole Chemical compound C=1N=CSN=1 YGTAZGSLCXNBQL-UHFFFAOYSA-N 0.000 description 1
- DIIIISSCIXVANO-UHFFFAOYSA-N 1,2-Dimethylhydrazine Chemical compound CNNC DIIIISSCIXVANO-UHFFFAOYSA-N 0.000 description 1
- KTZQTRPPVKQPFO-UHFFFAOYSA-N 1,2-benzoxazole Chemical compound C1=CC=C2C=NOC2=C1 KTZQTRPPVKQPFO-UHFFFAOYSA-N 0.000 description 1
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 1
- BAXOFTOLAUCFNW-UHFFFAOYSA-N 1H-indazole Chemical compound C1=CC=C2C=NNC2=C1 BAXOFTOLAUCFNW-UHFFFAOYSA-N 0.000 description 1
- CINYXYWQPZSTOT-UHFFFAOYSA-N 3-[3-[3,5-bis(3-pyridin-3-ylphenyl)phenyl]phenyl]pyridine Chemical compound C1=CN=CC(C=2C=C(C=CC=2)C=2C=C(C=C(C=2)C=2C=C(C=CC=2)C=2C=NC=CC=2)C=2C=C(C=CC=2)C=2C=NC=CC=2)=C1 CINYXYWQPZSTOT-UHFFFAOYSA-N 0.000 description 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 1
- YWKKLBATUCJUHI-UHFFFAOYSA-N 4-methyl-n-(4-methylphenyl)-n-phenylaniline Chemical compound C1=CC(C)=CC=C1N(C=1C=CC(C)=CC=1)C1=CC=CC=C1 YWKKLBATUCJUHI-UHFFFAOYSA-N 0.000 description 1
- GDRVFDDBLLKWRI-UHFFFAOYSA-N 4H-quinolizine Chemical compound C1=CC=CN2CC=CC=C21 GDRVFDDBLLKWRI-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- SSISGEXGWPDWEC-UHFFFAOYSA-N C1=CC=CC2=CC3=CC=CC=C3C=C12.N1=CC=NC=C1 Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C12.N1=CC=NC=C1 SSISGEXGWPDWEC-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 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
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 101150088517 TCTA gene Proteins 0.000 description 1
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000004062 acenaphthenyl group Chemical group C1(CC2=CC=CC3=CC=CC1=C23)* 0.000 description 1
- 125000004054 acenaphthylenyl group Chemical group C1(=CC2=CC=CC3=CC=CC1=C23)* 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 125000006620 amino-(C1-C6) alkyl group Chemical group 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
- 125000005605 benzo group Chemical group 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 125000002619 bicyclic group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 125000006165 cyclic alkyl group Chemical group 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 150000002240 furans Chemical class 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000004491 isohexyl group Chemical group C(CCC(C)C)* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 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
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- 125000001828 phenalenyl group Chemical group C1(C=CC2=CC=CC3=CC=CC1=C23)* 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid group Chemical group C(C=1C(C(=O)O)=CC=CC1)(=O)O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 150000004032 porphyrins Chemical class 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- CPNGPNLZQNNVQM-UHFFFAOYSA-N pteridine Chemical compound N1=CN=CC2=NC=CN=C21 CPNGPNLZQNNVQM-UHFFFAOYSA-N 0.000 description 1
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical compound C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 description 1
- JWVCLYRUEFBMGU-UHFFFAOYSA-N quinazoline Chemical compound N1=CN=CC2=CC=CC=C21 JWVCLYRUEFBMGU-UHFFFAOYSA-N 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000003548 sec-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 150000003536 tetrazoles Chemical class 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- 238000004832 voltammetry Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C251/00—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
- C07C251/02—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton containing imino groups
- C07C251/24—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton containing imino groups having carbon atoms of imino groups bound to carbon atoms of six-membered aromatic rings
-
- 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
- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/15—Hole transporting layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/16—Electron transporting layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
- H10K71/13—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing
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Description
本發明涉及一種發光材料,特別是涉及一種新型鉑(II)絡合物發光材料及其在有機發光二極體(OLED)中的用途。
在上世紀八十年代,C.W.Tang公開了雙層結構OLED(有機發光器件)(美國專利No.4,356,429;Appl.Phys.Lett.1987,51,12,913)。這種發現基於使用包括發光電子傳輸層(emissive electron-transporting layer)和合適的有機材料的空穴傳輸層的多層結構。選擇Alq3(q:脫質子8-羥基唑琳基)作為發光電子傳輸材料。從那時起,持續研究OLED中使用的材料OLED提供幾個優點,包括:(1)低工作電壓,(2)薄整體結構,(3)發射光而非調製光,(4)良好的發光效率,(5)全色潛力,和(6)高對比和解析度;這些優點表明OLED可能用在平板顯示器中。
對有機小分子進行研究以改進OLED的性能。通常,使用磷光材料作為OLED的發光層中的光發射體,而在不同的磷光材料之中,帶銥和帶鉑的絡合物是主流材料。因為帶銥材料有著八面體的幾何配置,由帶銥材料製備的OLED,除了有高效能之外,一般也不會有極大的效率衰減。相對而言,帶鉑的材料有著平面的幾何配置,所以由帶銥材料製備的OLED,雖然也可以有高效能,但卻同時有極大的效率衰減,換言之這些器件只能在極低亮度的情況之下
得到高效能,而在正常運作的亮度,例如1000cd m-2之下,器件的效能一般也會降至十分低的水準。例如,我們在2007年開發了一類帶鉑的磷光材料,由這些材料製備的器件可以得到高達51.8cd A-1的效能,但是這些器件的效能急速地下跌至低於最高效能的百分之五十(Appl.Phys.Lett.91,2007,063508)。這也是導致現在只有帶銥材料能夠用在OLED商品上應用的一個主要原因。
一般來說,材料具有高猝滅常數(在108dm3 mol-1 s-1以上)會導致嚴重的三重態-三重態湮滅而產生快速效率衰減。除了效率衰減之外,高猝滅常數還會使帶鉑的材料製備的器件只能在十分窄的摻雜視窗運作。換言之,高效能及高色純度的器件只能在一個很小的摻雜範圍(例如1%-2%)達到。這也是帶鉑材料未能被工業界接納的原因。
為了解決這問題,不同的學者提出了不同的方案並製備出了不同的材料。在2010年我們加了大基團,Huo加了非平面基,在2012年,Xie加了非平面基到帶鉑材料中(Chem.Eur.J.2010,16,233-247;Inorg.Chem.2010,49,5107-5119;Chem.Commun.2012,48,3854-3856)。但是這問題並沒有得到明顯的改善,製備出來的器件還是有著高於50%的效率衰減。這證明了加入大基團及非平面基並不是通常可行的方法去解決這問題。
針對上述領域中的缺陷,本發明提供一種新型鉑(II)絡合物發光材料,其具有低猝滅常數,可以製造高效率並低效率衰減的紅光OLED。
本發明也提供該發光材料的製備方法。
本發明還提供該發光材料製備的發光器件。
用於發光二極體的發光材料,其結構如式(I)所示:
其中R1-R26獨立地為氫、鹵素、羥基、未取代烷基、取代烷基、環烷基、未取代芳基、取代芳基、醯基、烷氧基、醯氧基、氨基、硝基、醯基氨基、芳烷基、氰基、羧基、硫代、苯乙烯基、氨基羰基、氨基甲醯基、芳氧基羰基、苯氧基羰基或烷氧基羰基,R1-R26可獨立地與鄰近其它的R1-R26基團形成5-8元環。
其中R1-R26獨立地為氫、鹵素、羥基、C1-C6烷基、五元或六元環烷基、五元或六元芳基、烷氧基、氨基、硝基、氰基、羧基、R1-R26可獨立地與鄰近其它的R1-R26基團形成5-6元環。
其中R3-8、R17-22獨立地為氫。
其中R1、R11、R16、R24獨立地為氫,R2、R23、R9-10、R25-26獨立的為氫、C1-C6烷基。
其中R12-15獨立的為氫、鹵素、羥基、C1-C6烷基、五元或六元環烷基、五元或六元芳基、氨基、硝基、氰基,或者R13、R14形成5-6元芳環。
其中R13、R14獨立的為氫、鹵素、C1-C4烷基、氨基、硝基、氰基,或者R13、R14形成苯環。
其中R12、R15獨立的為氫、C1-C6烷基。
具有結構I的化學結構的有機金屬絡合物被稱作環金屬化絡合物,結構I中的鉑中心為+2氧化態並具有正方形平面幾何形狀。該鉑中心的配位點被一個四齒配體,四齒配體通過兩個氮給體鍵和兩個氧給體鍵鍵配位到鉑中心上,為了達到發紅光的需求,四齒配體的基本結構為希夫堿。在背景資料中提及到由於帶有希夫堿的鉑絡合物都具有高猝滅常數,用他們製備的器件都有高效率衰減,就算加入大基團也不能改善這問題。在本發明中,附在酚的雙環是其中一個重點,能有效地減低猝滅常數。通過結構I,我們把這兩個方法連在一起並得到了用其他基團得不到的效果。在這發明中,結構I中的中心部分(下列圖中,粗線部分)是使材料有著發紅光並有低猝滅常數的原因:
而在結構I中,其他基團(R1-R26)並不會嚴重的影響材料的發光性質及猝滅常數,所以他們可以是獨立地為氫、鹵素、羥基、未取代烷基、取代烷基、環烷基、未取代芳基、取代芳基、醯基、烷氧基、醯氧基、氨基、硝基、醯基氨基、芳烷基、氰基、羧基、硫代、苯乙烯基、氨基羰基、氨基甲醯基、芳氧基羰基、苯氧基羰基或烷氧基羰基。各個R1-R26可獨立地與鄰近的R基團形成5-8元環。
為了本申請說明的目的,除非另有指明,術語鹵素、烷基、環烷基、芳基、醯基、烷氧基和雜環芳族體系或雜環芳族基團可有以下含義:本文所用的鹵素或鹵代包括氟、氯、溴和碘,優選F,Cl,Br,特別優選F或Cl,最優選F。
如本文所用的芳基、芳基部分或芳族體系包括具有6-30個碳原子,優選6-20個碳原子,更優選6-8個碳原子並且由一個芳環或多個稠合的芳環組成的芳基。適宜的芳基為,例如苯基、萘基、苊基(acenaphthenyl)、二氫苊基(acenaphthylenyl)、蒽基、芴基、菲基(phenalenyl)。該芳基可為未取代的(即所有能夠取代的碳原子帶有氫原子)或在芳基的一個、多於一個或所有可取代的位置上被取代。適宜的取代基為,例如鹵素,優選F、Br或Cl;烷基,優選具有1-20個,1-10個或1-8個碳原子的烷基,特別優選甲基、乙基、異-丙基或叔-丁基;芳基,優選可再次被取代的或是未取代的C6-芳基或芴基;雜芳基,優選含至少一個氮原子的雜芳基,特別優選吡啶基,烯基是適宜的取代基,優選具有一個雙鍵的烯基,特別優選具有雙鍵和1-8個碳原子的烯基。芳基尤其特別優選帶有選自F和叔-丁基的取代基,優選可為給定的芳基或任選被至少一個上述取代基取代的為C6-芳基的芳基,C6-芳基特別優選帶有0、1或2個上述取代基,C6-芳基尤其
特別優選未取代的苯基或取代的苯基,諸如聯苯基、被兩個叔丁基優選在間位取代的苯基。如本文所用的芳基或芳基部分優選為苯基,其可為未取代的或被上述取代基,優選鹵素、烷基或芳基取代。
本文使用的烷基或烷基部分包括具有1-20個碳原子,優選1-10個碳原子,特別優1-6個碳原子的烷基。該烷基可為支鏈或是直鏈的,並且可被一個或多個雜原子,優選N、O或S間斷。而且,該烷基可被一個或多個提及的關於芳基的取代基取代。同樣,對於烷基而言,帶有一個或多個芳基是可能的,所有提到的芳基均適宜用於該目的,烷基特別優選選自甲基、乙基、異-丙基、正-丙基、異-丁基、正-丁基、叔-丁基、仲-丁基、異-戊基、正-戊基、仲-戊基、新戊基、正-已基、異-已基和仲-已基,尤其特別優選的是叔-丁基、C4H9、C6H13。
如本文所用的,環烷基期望為環形烷基,優選的環烷基為那些含3-7個碳原子的環烷基,並且包括環丙基、環戊基、環已基等。再有,環烷基可被選自鹵代、烷基,諸如叔-丁基、C4H9、C6H13的一個或多個取代基任選取代。
如本文所用的,醯基是以單鍵連接至CO基團的、如本文所用的烷基。
如本文所用的,烷氧基是與氧相連的、如本文所用的烷基。
如本文所用的,雜環芳族體系或雜環芳族基團被理解為與芳族、C3-C8環基相關,並且還包含一個氧或硫原子或1-4個氮原子或一個氧或硫原子與最多兩個氮原子的組合,和它們的取代的以及苯並和吡啶並-稠合的衍生物,例如,經由其中一個成環碳原子相連,所述雜環芳族體系或雜環芳族基團可被一個或多個提到的關於芳基的取代基所取代。
在某些實施方案中,雜芳基可為攜帶以上彼此可相同或不同的0、1、或2個取代基的五-和六元-芳族雜環體系。雜芳基的典型的實例包括,但不限於未取代的呋喃、苯並呋喃、噻吩、苯並噻吩、吡咯、吡啶、吲哚、唑、苯並唑、異唑、苯並異唑、噻唑、苯並噻唑、異噻唑、咪唑、苯並咪唑、吡唑、吲唑、四唑、喹啉、異喹啉、噠嗪、嘧啶、嘌呤和吡嗪、呋喃、1,2,3-二唑、1,2,3-噻二唑、1,2,4-噻二唑、三唑、苯並三唑、蝶啶、苯並唑、二唑、苯並吡唑、喹嗪、噌啉、酞嗪、喹唑和喹喔琳及其單-或二-取代的衍生物.在某些實施方案中,取代基為鹵代、羥基、氰基、O-C1-6-烷基、C1-6-烷基、羥基-C1-6-烷基和氨基-C1-6-烷基。
鉑(II)絡合物的具體實例示出如下,但不限於以下絡合物:
採用具有結構I的絡合物,可製造熱沉積和溶液處理的OLED。
包括含有一種或多種如申請專利範圍第1項所述的用於發光二極體的發光材料的有機發光器件。
其中,通過熱沉積在該器件中以層形式施加該用於發光二極體的發光材料。
其中,通過旋塗在該器件中以層形式施加該用於發光二極體的發光材料。
其中,通過噴墨印刷在該器件中以層形式施加該用於發光二極體的發光材料。
上述有機發光器件,其中在對層施加電流時該器件發射單色-紅色。
本發明中的鉑(II)絡合物具有高發光量子效率,良好的熱穩應性及低猝滅常數,可以製造高效率並低效率衰減的紅光OLED。
[圖1]是具有結構II的化學結構的配體的合成方案;[圖2]是具有結構I的化學結構的絡合物的合成方案;[圖3]是絡合物101的吸收及發射光譜;
[圖4]是絡合物101的迴圈伏安;[圖5]是用絡合物101製備的OLED的數據;以及[圖6]是用絡合物101製備的OLED的光譜。
下面是如本文描述的鉑(II)絡合物(用於發光二極體的發光材料)的製備、物理性質和和電致發光資料的實施例。提出實施例是為了說明理解本發明,而並非意欲且不應被解釋為以任何方式對在其後所附權利要求書中闡述的本發明的限制。
除非在下面的實施例中和在說明書及申請專利範圍的權利要求項中其它地方另有指出,所有份數和百分比均以重量計,所有溫度以攝氏度表示和壓力為處於大氣壓或接近大氣壓。
不在操作實施例中,或另有指出,提及用於本說明書及申請專利範圍的權利要求項中的成分、反應條件等的量的所有數字、值和/或表達應被理解為在所有情況下通過術語"約"來修飾。
至於給出特徵的任何圖或數位範圍,自一個範圍中的圖或參數可與自對相同特徵的不同範圍的圖或參數合併,以形成數位範圍。
實施例201-具有結構II的化學結構的配體的通用製備方法:
參考圖1,利用含有鄰苯二胺基(結構IV)的化學物與含有酚及雙環的化學物(結構III),通過縮合反應生成兩個亞胺鍵後得到具有結構II的化學結構的配體。(上述III、IV是市售產品)
實施例202-配體301的製備:
通過實施例201中的方法製備配體301,其中R1-R26是氫。得率:100%。1H NMR(500MHz,CDCl3)δ 13.33(s,2H),8.54(s,2H),7.34-7.22(m,2H),7.22-7.11(m,2H),7.09(s,2H),6.87(s,2H),3.32(d,J=11.0Hz,4H),1.90(d,J=7.5Hz,4H),1.73(d,J=8.1Hz,2H),1.54(d,J=8.6Hz,2H),1.20(d,J=5.7Hz,4H)。
實施例203-具有結構I的化學結構的結構I的絡合物的通用製備方法:
參考圖2,首先把具有結構II(301)的化學結構的配體及兩倍份量的弱鹼溶在小量的熱二甲基甲醯胺中,跟著把含有一倍份量帶鉑的鹽的二甲基亞碸溶液加入其中。在反應一個晚上之後,用過濾法收集沉澱物,最後用重結晶法提純。
實施例204-絡合物101的製備:
通過實施例203中的方法製絡合物101,其中弱鹼是乙酸鈉,帶鉑的鹽是四氯鉑酸鉀,得率:32%.1H NMR(500MHz,CD2Cl2)δ 8.76(s,2H),7.97(dd,J=6.0,3.2Hz,2H),7.32(dd,J=6.1,3.2Hz,2H),7.28(s,2H),7.08(s,2H),3.36(d,J=6.4Hz,4H),1.97(d,J=8.3Hz,4H),1.80(d,J=8.0Hz,2H),1.62(d,J=8.8Hz,2H),1.31(d,J=7.5Hz,4H)。
實施例205-絡合物101的光物理性質。
實施例206-絡合物101的電物理性質。
實施例207-通用熱離解OLED製造方法:
在高真空環境(壓力<1x10-6托)中,在覆蓋透明物質、空穴傳輸層、發光層、電子傳輸層、電子注入層的陽極和金屬陰極上順序沉積。
實施例208-用實施例207製造一種裝置,其中的空穴傳輸層為40nm的4,4'-環己基二[N,N-二(4-甲基苯基)苯胺](TAPC);發光由兩層不同分層組
成,第一層主要是三(4-哢唑-9基-苯基)胺(TcTa)(主體材料)的發光層,摻雜有小量絡合物101(摻雜劑),第二層是主要是9,9'-(2,6-吡啶二基二-3,1-亞苯)雙-9H-哢唑(26DczPPy)(主體材料)的發光層,摻雜有小量絡合物101(摻雜劑);電子傳輸層為40nm的3,3'-[5'-[3-(3-吡啶基)苯基][1,1':3',1"-三聯苯]-3,3"-二基]二吡啶(TmPYPB);電子注入層為1nm的氟化鋰和金屬陰極為100nm的鋁。
實施例209-實施例209闡明通過實施例208中所述的方法使用絡合物101作為發光材料製成的OLED器件的器件性能。
a)最大亮度;b)最大電流效率;c)最大電源效率;d)在1000cdm-2的電流效率;e)效率衰減=1-(ηc 1000/ηc max)
Claims (10)
- 一種用於發光二極體的發光材料,其結構如式(I)所示,
- 如申請專利範圍第1項所述的材料,其中R1-R26獨立地為氫、鹵素、羥基、C1-C6烷基、五元或六元環烷基、五元或六元芳基、烷氧基、氨基、硝基、氰基、羧基、R1-R26可獨立地與鄰近其它的R1-R26基團形成5-6元環。
- 如申請專利範圍第2項所述的材料,其中R3-8、R17-22獨立地為氫。
- 如申請專利範圍第3項所述的材料,其中R1、R11、R16、R24獨立地為氫,R2、R23、R9-10、R25-26獨立的為氫、C1-C6烷基。
- 如申請專利範圍第4項所述的材料,其中R12-15獨立的為氫、鹵素、羥基、C1-C6烷基、五元或六元環烷基、五元或六元芳基、氨基、硝基、氰基,或者R13、R14形成5-6元芳環。
- 如申請專利範圍第5項所述的材料,其中R13、R14獨立的為氫、鹵素、C1-C4烷基、氨基、硝基、氰基,或者R13、R14形成苯環。
- 如申請專利範圍第6項所述的材料,其中R12、R15獨立的為氫、C1-C6烷基。
- 如申請專利範圍第7項所述的材料,為如下結構的化合物之一:
- 一種有機發光器件,其含有一種或多種如申請專利範圍第1至8項中任一項所述的材料。
- 如申請專利範圍第9項所述的器件,其中通過熱沉積在該器件中以層形式施加該用於發光二極體的發光材料;或者通過旋塗在該器件中以層形式施加該用於發光二極體的發光材料;或者通過噴墨印刷在該器件中以層形式施加該用於發光二極體的發光材料。
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