JP2016175860A - ヘテロアセン誘導体、有機半導体層、及び有機薄膜トランジスタ - Google Patents
ヘテロアセン誘導体、有機半導体層、及び有機薄膜トランジスタ Download PDFInfo
- Publication number
- JP2016175860A JP2016175860A JP2015056952A JP2015056952A JP2016175860A JP 2016175860 A JP2016175860 A JP 2016175860A JP 2015056952 A JP2015056952 A JP 2015056952A JP 2015056952 A JP2015056952 A JP 2015056952A JP 2016175860 A JP2016175860 A JP 2016175860A
- Authority
- JP
- Japan
- Prior art keywords
- dithienobenzodithiophene
- bis
- general formula
- group
- heteroacene derivative
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 52
- 239000010409 thin film Substances 0.000 title claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 27
- 125000001424 substituent group Chemical group 0.000 claims abstract description 26
- 125000004430 oxygen atom Chemical group O* 0.000 claims abstract description 18
- 125000004434 sulfur atom Chemical group 0.000 claims abstract description 16
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 14
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 23
- 125000000217 alkyl group Chemical group 0.000 claims description 11
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- 125000003118 aryl group Chemical group 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000011593 sulfur Chemical group 0.000 claims description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- 238000000576 coating method Methods 0.000 abstract description 10
- 239000011248 coating agent Substances 0.000 abstract description 6
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 abstract 2
- 125000006549 C4-C10 aryl group Chemical group 0.000 abstract 1
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- 239000010410 layer Substances 0.000 description 35
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- 238000000034 method Methods 0.000 description 22
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 21
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- 239000000243 solution Substances 0.000 description 17
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- 239000012280 lithium aluminium hydride Substances 0.000 description 4
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- 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 4
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 4
- 239000012312 sodium hydride Substances 0.000 description 4
- 229910000104 sodium hydride Inorganic materials 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- FMZQNTNMBORAJM-UHFFFAOYSA-N tri(propan-2-yl)-[2-[13-[2-tri(propan-2-yl)silylethynyl]pentacen-6-yl]ethynyl]silane Chemical compound C1=CC=C2C=C3C(C#C[Si](C(C)C)(C(C)C)C(C)C)=C(C=C4C(C=CC=C4)=C4)C4=C(C#C[Si](C(C)C)(C(C)C)C(C)C)C3=CC2=C1 FMZQNTNMBORAJM-UHFFFAOYSA-N 0.000 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 description 4
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- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 3
- JALILDKSIHTILC-UHFFFAOYSA-N 2,3-dioctyl-[1]benzothiolo[2,3-g][1]benzothiole Chemical compound S1C2=CC=CC=C2C2=C1C=CC1=C2SC(CCCCCCCC)=C1CCCCCCCC JALILDKSIHTILC-UHFFFAOYSA-N 0.000 description 3
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- 238000003756 stirring Methods 0.000 description 2
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 description 2
- BGHCVCJVXZWKCC-UHFFFAOYSA-N tetradecane Chemical compound CCCCCCCCCCCCCC BGHCVCJVXZWKCC-UHFFFAOYSA-N 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- ABDKAPXRBAPSQN-UHFFFAOYSA-N veratrole Chemical compound COC1=CC=CC=C1OC ABDKAPXRBAPSQN-UHFFFAOYSA-N 0.000 description 2
- 235000005074 zinc chloride Nutrition 0.000 description 2
- 239000011592 zinc chloride Substances 0.000 description 2
- RELMFMZEBKVZJC-UHFFFAOYSA-N 1,2,3-trichlorobenzene Chemical compound ClC1=CC=CC(Cl)=C1Cl RELMFMZEBKVZJC-UHFFFAOYSA-N 0.000 description 1
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 1
- LAVARTIQQDZFNT-UHFFFAOYSA-N 1-(1-methoxypropan-2-yloxy)propan-2-yl acetate Chemical compound COCC(C)OCC(C)OC(C)=O LAVARTIQQDZFNT-UHFFFAOYSA-N 0.000 description 1
- BLMBNEVGYRXFNA-UHFFFAOYSA-N 1-methoxy-2,3-dimethylbenzene Chemical compound COC1=CC=CC(C)=C1C BLMBNEVGYRXFNA-UHFFFAOYSA-N 0.000 description 1
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- 229910052581 Si3N4 Inorganic materials 0.000 description 1
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- 150000001408 amides Chemical class 0.000 description 1
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- 229910002115 bismuth titanate Inorganic materials 0.000 description 1
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- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- RLPXAKVDWHODPX-UHFFFAOYSA-N cyclohexane;ethene Chemical group C=C.C1CCCCC1 RLPXAKVDWHODPX-UHFFFAOYSA-N 0.000 description 1
- 150000001934 cyclohexanes Chemical class 0.000 description 1
- 125000001511 cyclopentyl group Chemical class [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- KQAHMVLQCSALSX-UHFFFAOYSA-N decyl(trimethoxy)silane Chemical compound CCCCCCCCCC[Si](OC)(OC)OC KQAHMVLQCSALSX-UHFFFAOYSA-N 0.000 description 1
- DZQISOJKASMITI-UHFFFAOYSA-N decyl-dioxido-oxo-$l^{5}-phosphane;hydron Chemical compound CCCCCCCCCCP(O)(O)=O DZQISOJKASMITI-UHFFFAOYSA-N 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 229940117389 dichlorobenzene Drugs 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- FNMTVMWFISHPEV-WAYWQWQTSA-N dipropan-2-yl (z)-but-2-enedioate Chemical compound CC(C)OC(=O)\C=C/C(=O)OC(C)C FNMTVMWFISHPEV-WAYWQWQTSA-N 0.000 description 1
- 239000012769 display material Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000003759 ester based solvent Substances 0.000 description 1
- 239000004210 ether based solvent Substances 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
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- 239000005453 ketone based solvent Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- UBJFKNSINUCEAL-UHFFFAOYSA-N lithium;2-methylpropane Chemical compound [Li+].C[C-](C)C UBJFKNSINUCEAL-UHFFFAOYSA-N 0.000 description 1
- WGOPGODQLGJZGL-UHFFFAOYSA-N lithium;butane Chemical compound [Li+].CC[CH-]C WGOPGODQLGJZGL-UHFFFAOYSA-N 0.000 description 1
- 125000000040 m-tolyl group Chemical group [H]C1=C([H])C(*)=C([H])C(=C1[H])C([H])([H])[H] 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 1
- SRXOJMOGPYFZKC-UHFFFAOYSA-N methyl 4-chloro-4-oxobutanoate Chemical compound COC(=O)CCC(Cl)=O SRXOJMOGPYFZKC-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- SKECXRFZFFAANN-UHFFFAOYSA-N n,n-dimethylmethanethioamide Chemical group CN(C)C=S SKECXRFZFFAANN-UHFFFAOYSA-N 0.000 description 1
- 125000003261 o-tolyl group Chemical group [H]C1=C([H])C(*)=C(C([H])=C1[H])C([H])([H])[H] 0.000 description 1
- FTMKAMVLFVRZQX-UHFFFAOYSA-N octadecylphosphonic acid Chemical compound CCCCCCCCCCCCCCCCCCP(O)(O)=O FTMKAMVLFVRZQX-UHFFFAOYSA-N 0.000 description 1
- SLYCYWCVSGPDFR-UHFFFAOYSA-N octadecyltrimethoxysilane Chemical compound CCCCCCCCCCCCCCCCCC[Si](OC)(OC)OC SLYCYWCVSGPDFR-UHFFFAOYSA-N 0.000 description 1
- VXNSQGRKHCZUSU-UHFFFAOYSA-N octylbenzene Chemical compound [CH2]CCCCCCCC1=CC=CC=C1 VXNSQGRKHCZUSU-UHFFFAOYSA-N 0.000 description 1
- NJGCRMAPOWGWMW-UHFFFAOYSA-N octylphosphonic acid Chemical compound CCCCCCCCP(O)(O)=O NJGCRMAPOWGWMW-UHFFFAOYSA-N 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 1
- 239000005054 phenyltrichlorosilane Substances 0.000 description 1
- 150000003009 phosphonic acids Chemical class 0.000 description 1
- 239000004038 photonic crystal Substances 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920005596 polymer binder Polymers 0.000 description 1
- 239000002491 polymer binding agent Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- VVWRJUBEIPHGQF-UHFFFAOYSA-N propan-2-yl n-propan-2-yloxycarbonyliminocarbamate Chemical compound CC(C)OC(=O)N=NC(=O)OC(C)C VVWRJUBEIPHGQF-UHFFFAOYSA-N 0.000 description 1
- 125000001325 propanoyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical group [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 238000010898 silica gel chromatography Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000012756 surface treatment agent Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- CRUIOQJBPNKOJG-UHFFFAOYSA-N thieno[3,2-e][1]benzothiole Chemical compound C1=C2SC=CC2=C2C=CSC2=C1 CRUIOQJBPNKOJG-UHFFFAOYSA-N 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- FMYXZXAKZWIOHO-UHFFFAOYSA-N trichloro(2-phenylethyl)silane Chemical compound Cl[Si](Cl)(Cl)CCC1=CC=CC=C1 FMYXZXAKZWIOHO-UHFFFAOYSA-N 0.000 description 1
- HLWCOIUDOLYBGD-UHFFFAOYSA-N trichloro(decyl)silane Chemical compound CCCCCCCCCC[Si](Cl)(Cl)Cl HLWCOIUDOLYBGD-UHFFFAOYSA-N 0.000 description 1
- PYJJCSYBSYXGQQ-UHFFFAOYSA-N trichloro(octadecyl)silane Chemical compound CCCCCCCCCCCCCCCCCC[Si](Cl)(Cl)Cl PYJJCSYBSYXGQQ-UHFFFAOYSA-N 0.000 description 1
- RCHUVCPBWWSUMC-UHFFFAOYSA-N trichloro(octyl)silane Chemical compound CCCCCCCC[Si](Cl)(Cl)Cl RCHUVCPBWWSUMC-UHFFFAOYSA-N 0.000 description 1
- ORVMIVQULIKXCP-UHFFFAOYSA-N trichloro(phenyl)silane Chemical compound Cl[Si](Cl)(Cl)C1=CC=CC=C1 ORVMIVQULIKXCP-UHFFFAOYSA-N 0.000 description 1
- UBMUZYGBAGFCDF-UHFFFAOYSA-N trimethoxy(2-phenylethyl)silane Chemical compound CO[Si](OC)(OC)CCC1=CC=CC=C1 UBMUZYGBAGFCDF-UHFFFAOYSA-N 0.000 description 1
- ZNOCGWVLWPVKAO-UHFFFAOYSA-N trimethoxy(phenyl)silane Chemical compound CO[Si](OC)(OC)C1=CC=CC=C1 ZNOCGWVLWPVKAO-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
以下に本発明を詳細に説明する。
上記(A)工程において、ヘテロアセンのジリチオ化に用いるリチオ化剤としては、ヘテロアセンのジリチオ化が可能であれば特に制限はなく、例えば、n−ブチルリチウム、sec−ブチルリチウム、t−ブチルリチウム等が挙げられる。
上記(D)工程において、一般式(10)で示される化合物としては、メチルクロログリオキシレート、メチルマロニルクロリド、メチル−4−クロロ−4−オキソブチレート、メチル−5−クロロ−5−オキソペンチレート等が挙げられる。
上記(I)工程において、具体的な一般式(14)で示される化合物としては、ビス[(アセチルチオ)エチル]ジチエノベンゾジチオフェン、ビス[(アセチルチオ)プロピル]ジチエノベンゾジチオフェン、ビス[(アセチルチオ)ブチル]ジチエノベンゾジチオフェン、ビス[(アセチルチオ)ペンチル]ジチエノベンゾジチオフェン等が挙げられる。
特開2013−64063号公報に記載の方法を参考に以下の様に合成した。
MS m/z: 358(M+,100%)
1HNMR(CDCl3、60℃):δ=10.04(s,2H),8.46(s,2H),7.98(s,2H)
ビス(ヒドロキシメチル)ジチエノベンゾジチオフェンの合成((B)工程)
窒素雰囲気下、100ml三口フラスコに前工程で合成したジホルミルジチエノベンゾジチオフェン150mg(0.42mmol)、THF27mL、メタノール3mLを入れた。窒素雰囲気下、水素化ホウ素ナトリウム79mg(2.09mmol)を投入し、室温で攪拌した。5時間後、水素化ホウ素ナトリウム16mg(0.66mmol)を投入し、さらに室温で1時間攪拌した。その後、水を添加し反応を停止。1N塩酸7.5mlを加えて固体を濾過し、水、メタノール、アセトン、ジクロロメタンで順次洗浄した。採取した固体を真空乾燥し、ビス(ヒドロキシメチル)ジチエノベンゾジチオフェン113mgを得た(収率:74%)
MS m/z: 362(M+,100%)
1HNMR(DMSO−d6、60℃):δ=8.63(s, 2H),7.40(s,2H),5.74−5.72(t,J=5.9Hz,2H),4.78−4.77(d,J=5.4Hz,4H)
ビス[(ベンジルオキシ)メチル]ジチエノベンゾジチオフェン((C)工程)
窒素雰囲気下、100mlナスフラスコに前工程で合成したビス(ヒドロキシメチル)ジチエノベンゾジチオフェン240mg(0.66mmol)とジメチルホルムアミド9mlを添加した。氷冷下、水素化ナトリウム530mg(13mmol)を加え、室温で1時間攪拌、その後再度氷冷しベンジルブロミド1.2mL(10mmol)を滴下し室温で5時間攪拌した。氷冷し、メタノール3mL、水3mLを添加した。その後、低沸分を減圧留去し、ろ過して水とメタノールで洗浄した。残渣をシリカゲルクロマトグラフィー(展開溶媒;ジクロロメタン/メタノール(9/1))、及び再結晶精製(溶媒;トルエン)で精製し、ビス[(ベンジルオキシ)メチル]ジチエノベンゾジチオフェンを72mg得た(収率:20%)。
融点;197℃
LC純度: 97.8%。
MS m/z: 542(M+,100%)
1H−NMR(THF−d8,25℃):δ=8.40(s, 2H),7.38−7.23(m,12H),4.83(s,4H),4.61(s,4H)
実施例2 (ビス[(2−チエニルメトキシ)エチル]ジチエノベンゾジチオフェンの合成)
ジャーナル オブ オーガニック ケミストリー、2008年、73巻、3842〜3847頁に記載の方法を参考に以下の様に合成した。
MS m/z: 474(M+,100%)
(ビス(ヒドロキシエチル)ジチエノベンゾジチオフェンの合成)((E)工程))
シンセシス、1987年、8巻、736〜738頁およびジャーナル オブ ザ アメリカン ケミカル ソサイエティ、1956年、78巻、2582〜2588頁に記載の方法を参考に以下の様に合成した。
MS m/z: 390(M+,100%)
(ビス[(2−チエニルメトキシ)エチル]ジチエノベンゾジチオフェンの合成)((F)工程))
実施例1の(C)工程において、ビス(ヒドロキシメチル)ジチエノベンゾジチオフェンをビス(ヒドロキシエチル)ジチエノベンゾジチオフェンに、ベンジルブロミドを2−クロロメチルチオフェン(ナカライテスク)にした以外は、同様に反応を行い、ビス[(2−チエニルメトキシ)エチル]ジチエノベンゾジチオフェンを62mg得た(収率:16%)。
LC純度: 98.8%。
MS m/z: 582(M+,100%)
実施例3(ビス[(フェネチルチオ)エチル)]ジチエノベンゾジチオフェンの合成)
実施例2に従って、ビス(ヒドロキシエチル)ジチエノベンゾジチオフェンを合成した。
MS m/z: 506(M+,100%)
(ビス(メルカプトエチル)ジチエノベンゾジチオフェンの合成)((J)工程))
窒素雰囲気下、300ml三口フラスコにTHF40ml、水素化アルミニウムリチウム(273mg、7.2mmol)を加え、撹拌した。ここへビス[(アセチルチオ)エチル]ジチエノベンゾジチオフェン(608mg、1.2mmol)とTHF5mlからなる溶液を滴下し、室温で10時間撹拌した。低沸分を減圧留去し、ジクロロメタンにより有機層を抽出した。シリカゲルカラム(ジクロロメタン/メタノール=9/1)により精製し、ビス(メルカプトエチル)ジチエノベンゾジチオフェン355mgを得た(収率:70%)。
MS m/z: 422(M+,100%)
(ビス[(フェネチルチオ)エチル)]ジチエノベンゾジチオフェンの合成)((K)工程))
実施例1の(C)工程において、ビス(ヒドロキシメチル)ジチエノベンゾジチオフェンを前工程で合成したビス(メルカプトエチル)ジチエノベンゾジチオフェンに、ベンジルブロミドを2−ブロモエチルベンゼン(和光純薬)にした以外は、同様に反応を行い、ビス[(フェネチルチオ)エチル)]ジチエノベンゾジチオフェンを87mg得た(収率:23%)。
LC純度: 98.0%。
MS m/z: 574(M+,100%)
実施例4
実施例1で合成したビス[(ベンジルオキシ)メチル]ジチエノベンゾジチオフェン0.92mg及びトルエン617mgを添加し、50℃に加熱溶解後、室温下(25℃)に放冷し、ドロップキャスト有機半導体層形成用溶液を調製した(0.15重量%の無色溶液)。
実施例4でビス[(ベンジルオキシ)メチル]ジチエノベンゾジチオフェンの代わりに実施例2で合成したビス[(2−チエニルメトキシ)エチル]ジチエノベンゾジチオフェンを使用した以外は実施例4と同様の操作を繰り返して、有機薄膜トランジスタを作製した。正孔のキャリア移動度は0.62cm2/V・sと高移動度を示した。さらにこの有機薄膜トランジスタを150℃で15分間アニール処理した後の電気物性を測定したところ、正孔のキャリア移動度は0.64cm2/V・sであり、熱処理による性能の低下は見られなかった。
実施例4でビス[(ベンジルオキシ)メチル]ジチエノベンゾジチオフェンの代わりに実施例3で合成したビス[(フェネチルチオ)エチル)]ジチエノベンゾジチオフェンを使用した以外は実施例4と同様の操作を繰り返して、有機薄膜トランジスタを作製した。正孔のキャリア移動度は0.66cm2/V・sと高移動度を示した。さらにこの有機薄膜トランジスタを150℃で15分間アニール処理した後の電気物性を測定したところ、正孔のキャリア移動度は0.59cm2/V・sであり、熱処理による性能の低下は見られなかった。
実施例4でビス[(ベンジルオキシ)メチル]ジチエノベンゾジチオフェンの代わりにジn−オクチルベンゾチエノベンゾチオフェン(シグマアルドリッチ製)を使用した以外は実施例4と同様の操作を繰り返して、有機薄膜トランジスタを作製した。正孔のキャリア移動度は0.17cm2/V・sであった。さらにこの有機薄膜トランジスタを150℃で15分間アニール処理した後の電気物性を測定した。しかしジn−オクチルベンゾチエノベンゾチオフェンからなる有機半導体層が熱で溶解しており、トランジスタ動作を得ることはできず、耐熱性に劣る材料であった。
実施例4でビス[(ベンジルオキシ)メチル]ジチエノベンゾジチオフェンの代わりに6,13−ビス[(トリイソプロピルシリル)エチニル]ペンタセン(シグマアルドリッチ製)を使用した以外は実施例4と同様の操作を繰り返して、有機薄膜トランジスタを作製した。正孔のキャリア移動度は0.052cm2/V・sであった。さらにこの有機薄膜トランジスタを150℃で15分間アニール処理した後の電気物性を測定した。しかしトランジスタ動作を得ることはできず、耐熱性に劣る材料であった。
特開2012−206953号公報に記載の方法を用いジn−デシルジチエノベンゾジチオフェンを合成した。
(B):ボトムゲート−ボトムコンタクト型有機薄膜トランジスタ
(C):トップゲート−トップコンタクト型有機薄膜トランジスタ
(D):トップゲート−ボトムコンタクト型有機薄膜トランジスタ
1:有機半導体層
2:基板
3:ゲート電極
4:ゲート絶縁層
5:ソース電極
6:ドレイン電極
Claims (6)
- 請求項1〜請求項3のいずれかに記載のヘテロアセン誘導体を、液状媒体中に溶解又は分散することで得られることを特徴とする有機半導体層形成用溶液。
- 請求項1〜請求項3のいずれかに記載のヘテロアセン誘導体を1種類以上含むことを特徴とする有機半導体層。
- 基材上に、ソース電極及びドレイン電極を付設した請求項5に記載の有機半導体層とゲート電極とを、絶縁層を介して積層したものであることを特徴とする有機薄膜トランジスタ。
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WO2008047896A1 (fr) * | 2006-10-20 | 2008-04-24 | Nippon Kayaku Kabushiki Kaisha | Transistor à effet de champ |
JP2011526588A (ja) * | 2008-07-02 | 2011-10-13 | ビーエーエスエフ ソシエタス・ヨーロピア | ジチエノ[2,3−d:2’,3’−d]ベンゾ[1,2−b:4,5−b’]ジチオフェン系の高性能で溶液加工可能な半導体 |
JP2012209329A (ja) * | 2011-03-29 | 2012-10-25 | Tosoh Corp | ジチエノベンゾジチオフェン誘導体溶液及び有機半導体層 |
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WO2008047896A1 (fr) * | 2006-10-20 | 2008-04-24 | Nippon Kayaku Kabushiki Kaisha | Transistor à effet de champ |
JP2011526588A (ja) * | 2008-07-02 | 2011-10-13 | ビーエーエスエフ ソシエタス・ヨーロピア | ジチエノ[2,3−d:2’,3’−d]ベンゾ[1,2−b:4,5−b’]ジチオフェン系の高性能で溶液加工可能な半導体 |
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