JP4939044B2 - 星形(オリゴチオフェン−アリーレン)誘導体およびこれを用いた有機薄膜トランジスタ - Google Patents
星形(オリゴチオフェン−アリーレン)誘導体およびこれを用いた有機薄膜トランジスタ Download PDFInfo
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- JP4939044B2 JP4939044B2 JP2005343010A JP2005343010A JP4939044B2 JP 4939044 B2 JP4939044 B2 JP 4939044B2 JP 2005343010 A JP2005343010 A JP 2005343010A JP 2005343010 A JP2005343010 A JP 2005343010A JP 4939044 B2 JP4939044 B2 JP 4939044B2
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- thin film
- arylene
- film transistor
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- 239000010409 thin film Substances 0.000 title claims description 23
- 125000004432 carbon atom Chemical group C* 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 16
- 239000004065 semiconductor Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 125000000732 arylene group Chemical group 0.000 claims description 12
- 125000006165 cyclic alkyl group Chemical group 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 9
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 239000012212 insulator Substances 0.000 claims description 7
- 238000004528 spin coating Methods 0.000 claims description 7
- ZADPBFCGQRWHPN-UHFFFAOYSA-N boronic acid Chemical compound OBO ZADPBFCGQRWHPN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 239000004642 Polyimide Substances 0.000 claims description 4
- UMIVXZPTRXBADB-UHFFFAOYSA-N benzocyclobutene Chemical compound C1=CC=C2CCC2=C1 UMIVXZPTRXBADB-UHFFFAOYSA-N 0.000 claims description 4
- 229910052794 bromium Inorganic materials 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 229910052740 iodine Inorganic materials 0.000 claims description 4
- 229920000058 polyacrylate Polymers 0.000 claims description 4
- -1 polyethylene terephthalate Polymers 0.000 claims description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 claims description 4
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- KZPYGQFFRCFCPP-UHFFFAOYSA-N 1,1'-bis(diphenylphosphino)ferrocene Chemical compound [Fe+2].C1=CC=C[C-]1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=C[C-]1P(C=1C=CC=CC=1)C1=CC=CC=C1 KZPYGQFFRCFCPP-UHFFFAOYSA-N 0.000 claims description 2
- BCJVBDBJSMFBRW-UHFFFAOYSA-N 4-diphenylphosphanylbutyl(diphenyl)phosphane Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)CCCCP(C=1C=CC=CC=1)C1=CC=CC=C1 BCJVBDBJSMFBRW-UHFFFAOYSA-N 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 2
- 229910017109 AlON Inorganic materials 0.000 claims description 2
- 229910020684 PbZr Inorganic materials 0.000 claims description 2
- 229920012266 Poly(ether sulfone) PES Polymers 0.000 claims description 2
- 229920001665 Poly-4-vinylphenol Polymers 0.000 claims description 2
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- 229910002367 SrTiO Inorganic materials 0.000 claims description 2
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- WXMZPPIDLJRXNK-UHFFFAOYSA-N butyl(diphenyl)phosphane Chemical compound C=1C=CC=CC=1P(CCCC)C1=CC=CC=C1 WXMZPPIDLJRXNK-UHFFFAOYSA-N 0.000 claims description 2
- KFGVRWGDTLZAAO-UHFFFAOYSA-N cyclopenta-1,3-diene dicyclohexyl(cyclopenta-1,3-dien-1-yl)phosphane iron(2+) Chemical compound [Fe++].c1cc[cH-]c1.C1CCC(CC1)P(C1CCCCC1)c1ccc[cH-]1 KFGVRWGDTLZAAO-UHFFFAOYSA-N 0.000 claims description 2
- WMKGGPCROCCUDY-PHEQNACWSA-N dibenzylideneacetone Chemical compound C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 WMKGGPCROCCUDY-PHEQNACWSA-N 0.000 claims description 2
- 238000007598 dipping method Methods 0.000 claims description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 2
- 238000007641 inkjet printing Methods 0.000 claims description 2
- 229920000636 poly(norbornene) polymer Polymers 0.000 claims description 2
- 229920000052 poly(p-xylylene) Polymers 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 239000011112 polyethylene naphthalate Substances 0.000 claims description 2
- 238000007639 printing Methods 0.000 claims description 2
- 238000007650 screen-printing Methods 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- BPLUKJNHPBNVQL-UHFFFAOYSA-N triphenylarsine Chemical compound C1=CC=CC=C1[As](C=1C=CC=CC=1)C1=CC=CC=C1 BPLUKJNHPBNVQL-UHFFFAOYSA-N 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims 1
- 239000003446 ligand Substances 0.000 claims 1
- 230000000379 polymerizing effect Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 17
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 11
- ZCSHNCUQKCANBX-UHFFFAOYSA-N lithium diisopropylamide Chemical compound [Li+].CC(C)[N-]C(C)C ZCSHNCUQKCANBX-UHFFFAOYSA-N 0.000 description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 125000004183 alkoxy alkyl group Chemical group 0.000 description 7
- 125000003545 alkoxy group Chemical group 0.000 description 7
- 125000003282 alkyl amino group Chemical group 0.000 description 7
- 125000003368 amide group Chemical group 0.000 description 7
- 125000003277 amino group Chemical group 0.000 description 7
- 125000004185 ester group Chemical group 0.000 description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 7
- 0 CCCC=C([C@](C1=CCC(C2SCC(*)CC2)S1)N[C@](c1ccc(-c2cc(*)c[s]2)[s]1)N1)C1=C(*c1ccc(-c2cc(*)c[s]2)[s]1)[C@@]1SC(c2cc(*)c[s]2)=CC1 Chemical compound CCCC=C([C@](C1=CCC(C2SCC(*)CC2)S1)N[C@](c1ccc(-c2cc(*)c[s]2)[s]1)N1)C1=C(*c1ccc(-c2cc(*)c[s]2)[s]1)[C@@]1SC(c2cc(*)c[s]2)=CC1 0.000 description 6
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 description 6
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- UAYWVJHJZHQCIE-UHFFFAOYSA-L zinc iodide Chemical compound I[Zn]I UAYWVJHJZHQCIE-UHFFFAOYSA-L 0.000 description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 5
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- PCNDJXKNXGMECE-UHFFFAOYSA-N Phenazine Natural products C1=CC=CC2=NC3=CC=CC=C3N=C21 PCNDJXKNXGMECE-UHFFFAOYSA-N 0.000 description 4
- KYQCOXFCLRTKLS-UHFFFAOYSA-N Pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 4
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 4
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 4
- AWJUIBRHMBBTKR-UHFFFAOYSA-N isoquinoline Chemical compound C1=NC=CC2=CC=CC=C21 AWJUIBRHMBBTKR-UHFFFAOYSA-N 0.000 description 4
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 4
- RDOWQLZANAYVLL-UHFFFAOYSA-N phenanthridine Chemical compound C1=CC=C2C3=CC=CC=C3C=NC2=C1 RDOWQLZANAYVLL-UHFFFAOYSA-N 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- XSCHRSMBECNVNS-UHFFFAOYSA-N quinoxaline Chemical compound N1=CC=NC2=CC=CC=C21 XSCHRSMBECNVNS-UHFFFAOYSA-N 0.000 description 4
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 description 4
- 238000005160 1H NMR spectroscopy Methods 0.000 description 3
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 description 3
- 238000006069 Suzuki reaction reaction Methods 0.000 description 3
- 229920000301 poly(3-hexylthiophene-2,5-diyl) polymer Polymers 0.000 description 3
- 229920000123 polythiophene Polymers 0.000 description 3
- FNQJDLTXOVEEFB-UHFFFAOYSA-N 1,2,3-benzothiadiazole Chemical compound C1=CC=C2SN=NC2=C1 FNQJDLTXOVEEFB-UHFFFAOYSA-N 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 2
- BCMCBBGGLRIHSE-UHFFFAOYSA-N 1,3-benzoxazole Chemical compound C1=CC=C2OC=NC2=C1 BCMCBBGGLRIHSE-UHFFFAOYSA-N 0.000 description 2
- FLBAYUMRQUHISI-UHFFFAOYSA-N 1,8-naphthyridine Chemical compound N1=CC=CC2=CC=CN=C21 FLBAYUMRQUHISI-UHFFFAOYSA-N 0.000 description 2
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 2
- VEPOHXYIFQMVHW-XOZOLZJESA-N 2,3-dihydroxybutanedioic acid (2S,3S)-3,4-dimethyl-2-phenylmorpholine Chemical compound OC(C(O)C(O)=O)C(O)=O.C[C@H]1[C@@H](OCCN1C)c1ccccc1 VEPOHXYIFQMVHW-XOZOLZJESA-N 0.000 description 2
- 239000005964 Acibenzolar-S-methyl Substances 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 description 2
- WTKZEGDFNFYCGP-UHFFFAOYSA-N Pyrazole Chemical compound C=1C=NNC=1 WTKZEGDFNFYCGP-UHFFFAOYSA-N 0.000 description 2
- DGEZNRSVGBDHLK-UHFFFAOYSA-N [1,10]phenanthroline Chemical compound C1=CN=C2C3=NC=CC=C3C=CC2=C1 DGEZNRSVGBDHLK-UHFFFAOYSA-N 0.000 description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 2
- 239000012964 benzotriazole Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- RMBPEFMHABBEKP-UHFFFAOYSA-N fluorene Chemical compound C1=CC=C2C3=C[CH]C=CC3=CC2=C1 RMBPEFMHABBEKP-UHFFFAOYSA-N 0.000 description 2
- 125000005842 heteroatom Chemical group 0.000 description 2
- JARKCYVAAOWBJS-UHFFFAOYSA-N hexanal Chemical compound CCCCCC=O JARKCYVAAOWBJS-UHFFFAOYSA-N 0.000 description 2
- CTAPFRYPJLPFDF-UHFFFAOYSA-N isoxazole Chemical compound C=1C=NOC=1 CTAPFRYPJLPFDF-UHFFFAOYSA-N 0.000 description 2
- DLEDOFVPSDKWEF-UHFFFAOYSA-N lithium butane Chemical compound [Li+].CCC[CH2-] DLEDOFVPSDKWEF-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- MZRVEZGGRBJDDB-UHFFFAOYSA-N n-Butyllithium Substances [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 2
- 125000001624 naphthyl group Chemical group 0.000 description 2
- NIHNNTQXNPWCJQ-UHFFFAOYSA-N o-biphenylenemethane Natural products C1=CC=C2CC3=CC=CC=C3C2=C1 NIHNNTQXNPWCJQ-UHFFFAOYSA-N 0.000 description 2
- WCPAKWJPBJAGKN-UHFFFAOYSA-N oxadiazole Chemical compound C1=CON=N1 WCPAKWJPBJAGKN-UHFFFAOYSA-N 0.000 description 2
- SLIUAWYAILUBJU-UHFFFAOYSA-N pentacene Chemical compound C1=CC=CC2=CC3=CC4=CC5=CC=CC=C5C=C4C=C3C=C21 SLIUAWYAILUBJU-UHFFFAOYSA-N 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 description 2
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 2
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical compound C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- JOZPEVMCAKXSEY-UHFFFAOYSA-N pyrimido[5,4-d]pyrimidine Chemical compound N1=CN=CC2=NC=NC=C21 JOZPEVMCAKXSEY-UHFFFAOYSA-N 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000001308 synthesis method Methods 0.000 description 2
- 150000003536 tetrazoles Chemical class 0.000 description 2
- 229930192474 thiophene Natural products 0.000 description 2
- 150000003852 triazoles Chemical class 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- QNKFHUMDHRWWES-UHFFFAOYSA-N 2,4,6,8-tetrachloropyrimido[5,4-d]pyrimidine Chemical compound N1=C(Cl)N=C(Cl)C2=NC(Cl)=NC(Cl)=C21 QNKFHUMDHRWWES-UHFFFAOYSA-N 0.000 description 1
- RGYLAOMELFKDOL-UHFFFAOYSA-N 2-(2-bromo-3h-thiophen-2-yl)thiophene Chemical compound C=1C=CSC=1C1(Br)CC=CS1 RGYLAOMELFKDOL-UHFFFAOYSA-N 0.000 description 1
- TUCRZHGAIRVWTI-UHFFFAOYSA-N 2-bromothiophene Chemical compound BrC1=CC=CS1 TUCRZHGAIRVWTI-UHFFFAOYSA-N 0.000 description 1
- JEDHEMYZURJGRQ-UHFFFAOYSA-N 3-hexylthiophene Chemical compound CCCCCCC=1C=CSC=1 JEDHEMYZURJGRQ-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 125000003184 C60 fullerene group Chemical group 0.000 description 1
- PCLIMKBDDGJMGD-UHFFFAOYSA-N N-bromosuccinimide Chemical compound BrN1C(=O)CCC1=O PCLIMKBDDGJMGD-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 150000004849 borolanes Chemical class 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 150000002366 halogen compounds Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002390 heteroarenes Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- HTJPDOPKPWUNBX-UHFFFAOYSA-M magnesium;2h-thiophen-2-ide;bromide Chemical compound [Mg+2].[Br-].C=1C=[C-]SC=1 HTJPDOPKPWUNBX-UHFFFAOYSA-M 0.000 description 1
- DZVCFNFOPIZQKX-LTHRDKTGSA-M merocyanine Chemical compound [Na+].O=C1N(CCCC)C(=O)N(CCCC)C(=O)C1=C\C=C\C=C/1N(CCCS([O-])(=O)=O)C2=CC=CC=C2O\1 DZVCFNFOPIZQKX-LTHRDKTGSA-M 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000010898 silica gel chromatography Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- BEOOHQFXGBMRKU-UHFFFAOYSA-N sodium cyanoborohydride Chemical compound [Na+].[B-]C#N BEOOHQFXGBMRKU-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 150000003623 transition metal compounds Chemical class 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- 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
- H10K85/60—Organic compounds having low molecular weight
- H10K85/649—Aromatic compounds comprising a hetero atom
-
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Description
一方、高分子系材料としてF8T2というポリチオフェン系材料を採用した高分子系OTFT素子を試験製作して0.01〜0.02cm2/Vsの電荷移動度となることが報告されている(特許文献1、非特許文献3参照)。また、特許文献2は、位置規則的(regioregular)なポリチオフェンP3HTを用いて電荷移動度0.01〜0.04cm2/VsのOTFT素子を製造したことを開示している。
また、本発明の別の観点によれば、前記単分子材料を有機活性層として用いて常温スピンコーティング工程が可能であるうえ、高い電荷移動度及び低い遮断漏洩電流を同時に満足する有機薄膜トランジスタを提供する。
本発明の星形(オリゴチオフェン−アリーレン)誘導体は、n型半導体特性を有するアリーレンを分子中心に含み、p型半導体特性を有するオリゴチオフェンが前記アリーレンに星状に結合し、下記式(1)で表わされる。
Arは置換されていない又はヒドロキシ基、アミン基、炭素原子数1〜20の直鎖状、分枝状または環状アルキル基、アルコキシ基、炭素原子数1〜20のアルコキシアルキル基、アルキルアミン基、エステル基、アミド基で置換された、窒素原子を少なくとも1つ含む炭素原子数2〜30のアリーレンであり、
Ar1は置換されていない又はヒドロキシ基、アミン基、炭素原子数1〜20の直鎖状、分枝状または環状アルキル基、アルコキシ基、炭素原子数1〜20のアルコキシアルキル基、アルキルアミン基、エステル基、アミド基で置換された、ヘテロ原子が含有できる炭素原子数2〜30のアリール基であり、
Ar2は置換されていない又はヒドロキシ基、アミン基、炭素原子数1〜20の直鎖状、分枝状または環状アルキル基、アルコキシ基、炭素原子数1〜20のアルコキシアルキル基、アルキルアミン基、エステル基、アミド基で置換された、ヘテロ原子を含有してもよい炭素原子数5〜30のアリール基であり、
Rは同一であってもまたは互いに相異なってもよく、そして水素原子、ヒドロキシ基、アミン基、炭素原子数1〜20の直鎖状、分枝状または環状アルキル基、アルコキシ基、炭素原子数1〜20のアルコキシアルキル基、アルキルアミン基、エステル基、アミド基であり、
nは3〜8の整数であり、
n1およびn3は同一であってもまたは互いに相異なってもよく、そして0〜6の整数であり、そして
n2は2〜8の整数である。
PdL2Hal2 ・・・(10)
PdL2 ・・・(11)
前記各式中、Lはトリフェニルホスフィン(PPh3)、トリフェニルアルシン(AsPh3)、トリフェニルホスファイト(P(OPh)3)、ジフェニルホスフィノフェロセン(dppf)、ジフェニルホスフィノブタン(dppb)、アセテート(OAc)、ジベンジリデンアセトン(dba)よりなる群から選択されたリガンドであり、HalはI、BrまたはClである。
製造例1:オリゴチオフェンボロラン(borolane)1および2の製造
1H−NMRスペクトルであるを図2に示す。
実施例1:(オリゴチオフェン−アリーレン)誘導体1を用いた有機薄膜トランジスタの製作
まず、図1に示す通り、洗浄したガラス基板1にゲート電極2として用いられるモリブデン/タングステン(Mo/W)をスパッタリング法で1000Åの厚さに蒸着した後、ゲート絶縁膜3として用いられるポリアクリル系高分子をスピンコーティング法で塗布し、その後150℃で1時間乾燥させた。その上にソース電極4およびドレイン電極5として用いられる金(Au)をスパッタリング法で500Åの厚さに蒸着し、有機活性層6として前記製造例3で合成された(オリゴチオフェン−アリーレン)誘導体1をトルエンに2wt%の濃度で溶解させて1000rpmで800Åの厚さに塗布した後、100℃、1時間ベーキングしてOTFT素子を製作した。
ポリヘキシルチオフェンHT−P3HT(Aldrich社)を使用する以外は、実施例1と同様にして有機薄膜トランジスタ素子を製造した。
実施例1および比較例で製造された素子を用いて電荷移動度を測定した。KEITHLEY社のSemiconductor Characterization System(4200−SCS)を用いて電流伝達特性曲線を測定した後、各測定値を表1に示した。また、前記電流伝達曲線を用いて下記飽和領域(saturation region)の電流式から電荷移動度を計算した。なお、実施例1で製造した有機薄膜トランジスタの電流伝達特性曲線を図3に示した。
電荷移動度は、下記飽和領域の電流式から(ISD)1/2とVGを変数としたグラフを得、そのグラフの傾きから求めた。
遮断漏洩電流IOffは、オフ状態のときに流れる電流であって、電流比においてオフ状態で最小電流から求めた。
2 ゲート電極
3 ゲート絶縁層
4 ソース電極
5 ドレイン電極
6 有機活性層
Claims (7)
- n型半導体特性を有するアリーレンを分子中心に含み、p型半導体特性を有するオリゴチオフェンが前記アリーレンに星状に結合する、下記式(1)で表わされる星形(オリゴチオフェン−アリーレン)誘導体。
(式中、
Arは下記式(2)で表わされる群から選択され、
Ar1は下記式(3)で表わされる群から選択され、
Ar2は下記式(4)で表わされる群から選択され、
Rは同一であってもまたは互いに相異なってもよく、そして水素原子、炭素原子数1〜20の直鎖状、分枝状または環状アルキル基であり、
nは3〜8の整数であり、
n1およびn3は同一であってもまたは互いに相異なってもよく、そして0〜6の整数であり、そして
n2は2〜8の整数である。)
(式中、R1〜R4は同一であってもまたは互いに相異なってもよく、そして水素原子、炭素原子数1〜20の直鎖状、分枝状または環状アルキル基である。)
(式中、R5 ,R 6 ,R10 は同一であってもまたは互いに相異なってもよく、そして水素原子、炭素原子数1〜20の直鎖状、分枝状または環状アルキル基である。)
(式中、R14 は同一であってもまたは互いに相異なってもよく、そして水素原子、炭素原子数1〜20の直鎖状、分枝状または環状アルキル基である。) - 下記式(5)〜(8):
で表わされる化合物を70℃〜130℃の温度条件で下記式(9)〜(11):
PdL4 ・・・(9)
PdL2Hal2 ・・・(10)
PdL2 ・・・(11)
(式中、Lはトリフェニルホスフィン(PPh3)、トリフェニルアルシン(AsPh3)、トリフェニルホスファイトP(OPh)3、ジフェニルホスフィノフェロセン(dppf)、ジフェニルホスフィノブタン(dppb)、アセテート(OAc)、ジベンジリデンアセトン(dba)よりなる群から選択されたリガンドであり、HalはI、BrまたはClである。)
で表わされる触媒を用いて2時間〜24時間重合させる段階を含むことを特徴とする、請求項1に記載の星形(オリゴチオフェン−アリーレン)誘導体の製造方法。 - 基板上にゲート電極、ゲート絶縁層、有機活性層およびソース−ドレイン電極を含んで形成された有機薄膜トランジスタにおいて、前記有機活性層が請求項1記載の星形(オリゴチオフェン−アリーレン)誘導体からなることを特徴とする、有機薄膜トランジスタ。
- 前記有機活性層が、スクリーン印刷法、印刷法、スピンコーティング法、浸漬(dipping)法またはインク噴射法によって薄膜に形成されることを特徴とする、請求項3に記載の有機薄膜トランジスタ。
- 前記絶縁層が、Ba0.33Sr0.66TiO3(BST)、Al2O3、Ta2O5、La2O5、Y2O3およびTiO2よりなる群から選択された強誘電性絶縁体、PbZr0.33Ti0.66O3(PZT)、Bi4Ti3O12、BaMgF4、SrBi2(TaNb-)2O9、Ba(ZrTi)O3(BZT)、BaTiO3、SrTiO3、Bi4Ti3O12、SiO2、SiNxおよびAlONよりなる群から選択された無機絶縁体、またはポリイミド、BCB(ベンゾシクロブテン)、パリレン、ポリアクリレート、ポリビニルアルコールおよびポリビニルフェノールよりなる群から選択された有機絶縁体で形成されることを特徴とする、請求項3に記載の有機薄膜トランジスタ。
- 前記基板が、ガラス、ポリエチレンナフタレート(PEN)、ポリエチレンテレフタレート(PET)、ポリカーボネート、ポリビニルアルコール、ポリアクリレート、ポリイミド、ポリノルボルネンおよびポリエーテルスルホン(PES)よりなる群から選択された物質で形成されることを特徴とする、請求項3に記載の有機薄膜トランジスタ。
- 前記ゲート電極およびソース−ドレイン電極が、金(Au)、銀(Ag)、アルミニウム(Al)、ニッケル(Ni)、インジウムスズ酸化物(ITO)およびモリブデン/タングステン(Mo/W)よりなる群から選択された物質で形成されることを特徴とする、請求項3に記載の有機薄膜トランジスタ。
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