JP5924783B2 - ウエットプロセス用有機半導体材料 - Google Patents
ウエットプロセス用有機半導体材料 Download PDFInfo
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- JP5924783B2 JP5924783B2 JP2013525733A JP2013525733A JP5924783B2 JP 5924783 B2 JP5924783 B2 JP 5924783B2 JP 2013525733 A JP2013525733 A JP 2013525733A JP 2013525733 A JP2013525733 A JP 2013525733A JP 5924783 B2 JP5924783 B2 JP 5924783B2
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- 239000004065 semiconductor Substances 0.000 title claims description 61
- 239000000463 material Substances 0.000 title claims description 44
- 238000000034 method Methods 0.000 title claims description 17
- 150000001875 compounds Chemical class 0.000 claims description 73
- 229920000642 polymer Polymers 0.000 claims description 62
- 125000000217 alkyl group Chemical group 0.000 claims description 25
- 125000003545 alkoxy group Chemical group 0.000 claims description 24
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 24
- 125000004448 alkyl carbonyl group Chemical group 0.000 claims description 24
- 125000001424 substituent group Chemical group 0.000 claims description 17
- 239000001257 hydrogen Substances 0.000 claims description 16
- 229910052739 hydrogen Inorganic materials 0.000 claims description 16
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 16
- 125000001072 heteroaryl group Chemical group 0.000 claims description 14
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical group C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 claims description 7
- 125000003118 aryl group Chemical group 0.000 claims description 6
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 3
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical group [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 125000002950 monocyclic group Chemical group 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052711 selenium Inorganic materials 0.000 claims description 3
- MABNMNVCOAICNO-UHFFFAOYSA-N selenophene Chemical group C=1C=C[se]C=1 MABNMNVCOAICNO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- 125000004585 polycyclic heterocycle group Chemical group 0.000 claims description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 45
- 238000006243 chemical reaction Methods 0.000 description 26
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 21
- 239000010409 thin film Substances 0.000 description 20
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- 239000000243 solution Substances 0.000 description 13
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 12
- 238000003786 synthesis reaction Methods 0.000 description 11
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- 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 10
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 238000011156 evaluation Methods 0.000 description 8
- 238000002441 X-ray diffraction Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- -1 2-hexyldecyl Chemical group 0.000 description 5
- 229940126214 compound 3 Drugs 0.000 description 5
- 239000010408 film Substances 0.000 description 5
- 239000011259 mixed solution Substances 0.000 description 5
- 239000011541 reaction mixture Substances 0.000 description 5
- 238000001226 reprecipitation Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 4
- 0 C*C(C)Cc1c[s]c(*)c1 Chemical compound C*C(C)Cc1c[s]c(*)c1 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 4
- 229940125904 compound 1 Drugs 0.000 description 4
- 229940125782 compound 2 Drugs 0.000 description 4
- 239000012299 nitrogen atmosphere Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000004528 spin coating Methods 0.000 description 4
- FNQJDLTXOVEEFB-UHFFFAOYSA-N 1,2,3-benzothiadiazole Chemical compound C1=CC=C2SN=NC2=C1 FNQJDLTXOVEEFB-UHFFFAOYSA-N 0.000 description 3
- 239000005964 Acibenzolar-S-methyl Substances 0.000 description 3
- LFZAGIJXANFPFN-UHFFFAOYSA-N N-[3-[4-(3-methyl-5-propan-2-yl-1,2,4-triazol-4-yl)piperidin-1-yl]-1-thiophen-2-ylpropyl]acetamide Chemical compound C(C)(C)C1=NN=C(N1C1CCN(CC1)CCC(C=1SC=CC=1)NC(C)=O)C LFZAGIJXANFPFN-UHFFFAOYSA-N 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- IZNFRMRFKBIIGX-UHFFFAOYSA-N [4-(2-decyltetradecyl)thiophen-2-yl]-trimethylstannane Chemical compound CCCCCCCCCCCCC(CCCCCCCCCC)CC1=CSC([Sn](C)(C)C)=C1 IZNFRMRFKBIIGX-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- UDGKZGLPXCRRAM-UHFFFAOYSA-N 1,2,5-thiadiazole Chemical compound C=1C=NSN=1 UDGKZGLPXCRRAM-UHFFFAOYSA-N 0.000 description 2
- BWGRDBSNKQABCB-UHFFFAOYSA-N 4,4-difluoro-N-[3-[3-(3-methyl-5-propan-2-yl-1,2,4-triazol-4-yl)-8-azabicyclo[3.2.1]octan-8-yl]-1-thiophen-2-ylpropyl]cyclohexane-1-carboxamide Chemical compound CC(C)C1=NN=C(C)N1C1CC2CCC(C1)N2CCC(NC(=O)C1CCC(F)(F)CC1)C1=CC=CS1 BWGRDBSNKQABCB-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 101710162828 Flavin-dependent thymidylate synthase Proteins 0.000 description 2
- PCLIMKBDDGJMGD-UHFFFAOYSA-N N-bromosuccinimide Chemical compound BrN1C(=O)CCC1=O PCLIMKBDDGJMGD-UHFFFAOYSA-N 0.000 description 2
- 101710135409 Probable flavin-dependent thymidylate synthase Proteins 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004440 column chromatography Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- RJVPHPXQVBVPLV-UHFFFAOYSA-N cyclopenta[2,1-b:3,4-b']dithiophene Chemical compound S1C=CC2=CC3=CCSC3=C21 RJVPHPXQVBVPLV-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- QRPMCZNLJXJVSG-UHFFFAOYSA-N trichloro(1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-henicosafluorodecyl)silane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)[Si](Cl)(Cl)Cl QRPMCZNLJXJVSG-UHFFFAOYSA-N 0.000 description 2
- VIFIHLXNOOCGLJ-UHFFFAOYSA-N trichloro(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl)silane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)CC[Si](Cl)(Cl)Cl VIFIHLXNOOCGLJ-UHFFFAOYSA-N 0.000 description 2
- ZGWZWRHJHVTXEL-UHFFFAOYSA-N trimethyl(thiophen-2-yl)stannane Chemical compound C[Sn](C)(C)C1=CC=CS1 ZGWZWRHJHVTXEL-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- CYPYTURSJDMMMP-WVCUSYJESA-N (1e,4e)-1,5-diphenylpenta-1,4-dien-3-one;palladium Chemical compound [Pd].[Pd].C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1.C=1C=CC=CC=1\C=C\C(=O)\C=C\C1=CC=CC=C1 CYPYTURSJDMMMP-WVCUSYJESA-N 0.000 description 1
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical class C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 1
- OHZAHWOAMVVGEL-UHFFFAOYSA-N 2,2'-bithiophene Chemical compound C1=CSC(C=2SC=CC=2)=C1 OHZAHWOAMVVGEL-UHFFFAOYSA-N 0.000 description 1
- FEOWHLLJXAECMU-UHFFFAOYSA-N 4,7-dibromo-2,1,3-benzothiadiazole Chemical compound BrC1=CC=C(Br)C2=NSN=C12 FEOWHLLJXAECMU-UHFFFAOYSA-N 0.000 description 1
- BHPAAVZSQLQZAM-UHFFFAOYSA-N Brc1cc(c2n[s]nc2c(Br)c2)c2c2n[s]nc12 Chemical compound Brc1cc(c2n[s]nc2c(Br)c2)c2c2n[s]nc12 BHPAAVZSQLQZAM-UHFFFAOYSA-N 0.000 description 1
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical class C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 description 1
- GWTRZACRVRESIJ-UHFFFAOYSA-N CC(C)c1n[s]nc1C Chemical compound CC(C)c1n[s]nc1C GWTRZACRVRESIJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- MOZTVOICZIVCFC-UHFFFAOYSA-N [1]benzothiolo[7,6-g][1]benzothiole Chemical compound C1=CC2=C(SC=C3)C3=CC=C2C2=C1C=CS2 MOZTVOICZIVCFC-UHFFFAOYSA-N 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229940125898 compound 5 Drugs 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 description 1
- 230000009878 intermolecular interaction Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011698 potassium fluoride Substances 0.000 description 1
- 235000003270 potassium fluoride Nutrition 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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- 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
- H10K85/10—Organic polymers or oligomers
- H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
- H10K85/113—Heteroaromatic compounds comprising sulfur or selene, e.g. polythiophene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
- C08G61/122—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides
- C08G61/123—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides derived from five-membered heterocyclic compounds
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- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
- C08G61/122—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides
- C08G61/123—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides derived from five-membered heterocyclic compounds
- C08G61/126—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides derived from five-membered heterocyclic compounds with a five-membered ring containing one sulfur atom in the ring
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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
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- H10K85/151—Copolymers
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- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/10—Definition of the polymer structure
- C08G2261/12—Copolymers
- C08G2261/124—Copolymers alternating
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/10—Definition of the polymer structure
- C08G2261/14—Side-groups
- C08G2261/141—Side-chains having aliphatic units
- C08G2261/1412—Saturated aliphatic units
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- C08G2261/30—Monomer units or repeat units incorporating structural elements in the main chain
- C08G2261/32—Monomer units or repeat units incorporating structural elements in the main chain incorporating heteroaromatic structural elements in the main chain
- C08G2261/322—Monomer units or repeat units incorporating structural elements in the main chain incorporating heteroaromatic structural elements in the main chain non-condensed
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- C08G2261/3243—Monomer units or repeat units incorporating structural elements in the main chain incorporating heteroaromatic structural elements in the main chain condensed containing one or more sulfur atoms as the only heteroatom, e.g. benzothiophene
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- C08G2261/3246—Monomer units or repeat units incorporating structural elements in the main chain incorporating heteroaromatic structural elements in the main chain condensed containing nitrogen and sulfur as heteroatoms
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- C08G2261/30—Monomer units or repeat units incorporating structural elements in the main chain
- C08G2261/36—Oligomers, i.e. comprising up to 10 repeat units
- C08G2261/364—Oligomers, i.e. comprising up to 10 repeat units containing hetero atoms
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- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/40—Polymerisation processes
- C08G2261/41—Organometallic coupling reactions
- C08G2261/414—Stille reactions
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- C08G2261/50—Physical properties
- C08G2261/51—Charge transport
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G2261/90—Applications
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- H10K10/00—Organic devices specially adapted for rectifying, amplifying, oscillating or switching; Organic capacitors or resistors having a potential-jump barrier or a surface barrier
- H10K10/40—Organic transistors
- H10K10/46—Field-effect transistors, e.g. organic thin-film transistors [OTFT]
- H10K10/462—Insulated gate field-effect transistors [IGFETs]
- H10K10/484—Insulated gate field-effect transistors [IGFETs] characterised by the channel regions
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
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Description
下式1で示される骨格を繰り返し単位とする高分子化合物を含む、
ことを特徴とする。
(式1中、R1は水素、アルキル基、アルキルカルボニル基、アルコキシ基及びアルコキシカルボニル基、mは1以上の整数、Arは置換基を有していてもよい単環若しくは縮合多環の複素芳香環であり、複数の複素芳香環が連結している場合、同一の複素芳香環が連結していても異なる複素芳香環が連結していてもよい。)
下式21乃至式24のいずれかで表される高分子化合物である、
ことを特徴とする。
(式21乃至式24中、R1は水素、アルキル基、アルキルカルボニル基、アルコキシ基又はアルコキシカルボニル基、nは正の実数を表し、式21中、R4及びR5は水素、アルキル基、アルキルカルボニル基、アルコキシ基又はアルコキシカルボニル基、mは1以上の整数を表し、式23中、R3はアルキル基、アルキルカルボニル基、アルコキシ基又はアルコキシカルボニル基を表し、式24中、R2は、水素、アルキル基、アルキルカルボニル基、アルコキシ基、アルコキシカルボニル基又は置換基を有していてもよい芳香環を表す。)
反応溶液に4,8−ジブロモナフト[1,2−c:5,6−c’]ビス[1,2,5]チアジアゾール(以下、化合物1)(40.2mg,0.1mmol)、4,4’−ビス(2−ヘキシルデシル)−2,6−ビス(トリメチルスズ)シクロペンタ[2,1−b:3,4−b’]−ジチオフェン(95.3mg,0.1mmol),テトラキス(トリフェニルホスフィン)−パラジウム(0)(2.3mg,2mmol)、トルエン(5ml)をそれぞれ加えた。アルゴン封入後封管し、μ−ウェーブリアクターを用いて180℃で40分間反応させた。なお、化合物1は、「Sufur Nitride in Organic Chemistry. Part 19. Selective Formation of Benzo- and Benzobis[1,2,5]thiadiazole Skeleton in the Reaction of Tetranitride with Naphthalenols and Related Compounds; S Mataka, K Takahashi, Y Ikezaki, T Hatta, A Torii, and M Tashiro; Bull.Chem.Soc.Jpn.,64,68-73,1991」に従い調製した。
室温まで冷却後、反応溶液をメタノール(100ml)と塩酸(2ml)の混合溶液に注ぎ再沈殿させた。
反応混合物をメタノール、ヘキサンを用いてソックスレー洗浄後、クロロホルムを用いてソックスレー抽出を行い、メタノールを用いて再沈殿させることで高分子化合物P1(45mg,25%)を暗緑色固体として得た。高分子化合物P1の数平均分子量は12,100、重量平均分子量は18,000であった。
反応溶液に化合物1(20.1mg,0.05mmol)、4,4’−ビス(ヘキサデシル)−2,6−ビス(トリメチルスズ)シクロペンタ[2,1−b:3,4−b’]−ジチオフェン(47.6mg,0.05mmol),テトラキス(トリフェニルホスフィン)−パラジウム(0)(1.16mg,1mmol)、トルエン(5ml)をそれぞれ加えた。アルゴン封入後封管し、μ−ウェーブリアクターを用いて180℃で40分間反応させた。
室温まで冷却後、反応溶液をメタノール(100ml)と塩酸(2ml)の混合溶液に注ぎ再沈殿させた。反応混合物をメタノール、ヘキサンを用いてソックスレー洗浄後、クロロホルムを用いてソックスレー抽出を行い、メタノールを用いて再沈殿させることで高分子化合物(P2)(37mg,85%)を暗緑色固体として得た。高分子化合物P2の数平均分子量は5,800、重量平均分子量は7,600であった。
以下のように、段階的に高分子化合物P3を合成した。
窒素雰囲気下、トルエン25mlを三口フラスコに入れ30分間脱気した。その後、化合物1(201mg,0.5mmol)、4−(2−デシルテトラデシル)−2−トリメチルスタニルチオフェン(584mg,1mmol)、テトラキス(トリフェニルホスフィン)−パラジウム(0)(11.5mg,10 mol)を加え14時間還流させた。
室温まで冷却後、飽和フッ化カリウム水溶液に注ぎ、塩化メチレンを加え抽出した。
水、飽和食塩水でそれぞれ洗浄後、硫酸マグネシウムを加え乾燥させた。その後、ろ過、濃縮を行い、ヘキサン:塩化メチレン=2:1の混合溶媒を移動相とするカラムクロマトグラフィーにより単離することで化合物2(454mg,84%)を赤色固体として得た。
窒素雰囲気下、化合物2(270mg,0.25mmol)、THF(15ml)を三口フラスコに加え、0℃に冷却した。
そこに、N−ブロモスクシンイミド(89mg,0.5mmol)を加え、室温に戻し4時間攪拌した。
その後、反応溶液を炭酸カルシウム水溶液に注ぎ、塩化メチレンを加え抽出した。
水、飽和食塩水でそれぞれ洗浄後、硫酸マグネシウムを加え乾燥させた。
その後、ろ過、濃縮を行い、ヘキサン:塩化メチレン=2:1の混合溶媒を移動相とするカラムクロマトグラフィーにより単離することで化合物3(242mg,78%)を赤色固体として得た。
反応容器に化合物3(124.0mg,0.1mmol)、2,7−ビス(トリメチルスタニル)ナフト[1,2−b:5,6−b’]ジチオフェン(56.6mg,0.1mmol),テトラキス(トリフェニルホスフィン)−パラジウム(0)(2.3mg,2mmol)、トルエン(5ml)をそれぞれ加えた。
アルゴン封入後封管し、μ−ウェーブリアクターを用いて180℃で40分間反応させた。
室温まで冷却後、反応溶液をメタノール(100ml)と塩酸(2ml)の混合溶液に注ぎ再沈殿させた。
反応混合物をメタノール、ヘキサン、クロロホルムを用いてソックスレー洗浄後、クロロベンゼンを用いてソックスレー抽出を行い、メタノールを用いて再沈殿させることで高分子化合物P3(98mg,74%)を暗紫色固体として得た。
高分子化合物P3の数平均分子量は30,000、重量平均分子量は300,000であった。
反応容器に化合物3(124.0mg,0.1mmol)、2−2’−ビス(トリメチルスズ)ビチオフェン(49.2mg,0.1mmol),テトラキス(トリフェニルホスフィン)−パラジウム(0)(2.3mg,2mmol)、トルエン(5ml)をそれぞれ加えた。
アルゴン封入後封管し、μ−ウェーブリアクターを用いて180℃で40分間反応させた。
室温まで冷却後、反応溶液をメタノール(100ml)と塩酸(2ml)の混合溶液に注ぎ再沈殿させた。
反応混合物をメタノール、ヘキサン、クロロホルムを用いてソックスレー洗浄後、クロロベンゼンを用いてソックスレー抽出を行い、メタノールを用いて再沈殿させることでP5(117mg,94%)を暗紫色固体として得た。
高分子化合物P4の数平均分子量は52,600、重量平均分子量は126,000であった。
窒素雰囲気下、蒸留クロロベンゼン(10ml)を三口フラスコに入れ、30分間脱気を行った。
その後4,7−ジブロモ−2,1,3ベンゾチアジアゾール(29.4mg,0.1mmol)、4,4’−ビス(ヘキサデシル)−2,6−ビス(トリメチルスズ)シクロペンタ[2,1−b:3,4−b’]−ジチオフェン(95.2mg,0.1mmol),トリス(ジベンジリデンアセトン)ジパラジウム(2.1mg,2mmol)、をそれぞれ加え、2日間還流させた。室温まで冷却後、反応溶液をメタノール(100ml)と塩酸(2ml)の混合溶液に注ぎ再沈殿させた。
反応混合物をメタノール、ヘキサンを用いてソックスレー洗浄後、クロロホルムを用いてソックスレー抽出を行い、メタノールを用いて再沈殿させることで高分子化合物P5(45.7mg,85%)を暗緑色固体として得た。高分子化合物P5の数平均分子量は11,000、重量平均分子量は15,600であった。
ITO膜を付けたガラス基板上に、高分子化合物P1及びフラーレン誘導体であるC61PCBM(phenyl C61−butyric acid methyl ester)を含むオルトジクロロベンゼン溶液(高分子化合物P1/PCBMの重量比=1/1)を用いて、スピンコートにより光活性層を作製した(膜厚約100nm)。次に、真空蒸着機によりフッ化リチウムを厚さ5nmで蒸着し、次いでAlを厚さ100nmで蒸着して有機薄膜太陽電池を得た。得られた有機薄膜太陽電池の形状は、Φ2mmの円であり、面積は0.0314cm2であった。
高分子化合物P3/C61PCBM=1/1にした以外は、上記と同様にして有機薄膜太陽電池を作製し、その特性を評価した。図2に示す電流密度−電圧特性が得られ、Jsc=7.50mA/cm2、Voc=0.83V、FF=0.60、ηは3.8%であった。
高分子化合物P4/C61PCBM=1/1.5にした以外は、上記と同様にして有機薄膜太陽電池を作製し、その特性を評価した。図3に示す電流密度−電圧特性が得られ、Jsc=12.0mA/cm2、Voc=0.76V、FF=0.69、ηは6.3%であった。
高分子化合物P5/C61PCBM=1/1にした以外は、上記と同様にして有機薄膜太陽電池を作製し、その特性を評価した。図4に示すような電流密度−電圧特性が得られ、Jsc=5.64mA/cm2、Voc=0.63V、FF=0.35であり、ηは1.2%であった。
ゲート電極となる、200nmのシリコン酸化膜を有する高濃度にドーピングされたn型シリコン基板を十分洗浄した後、ヘキサメチルジシラザン(HMDS)を用いて、基板のシリコン酸化膜表面をシラン処理した。高分子化合物P2をオルトジクロロベンゼンに溶解して3g/Lの溶液を作製し、メンブランフィルターでろ過した後、上記表面処理した基板上にスピンコート法により約50nmの高分子化合物P2薄膜を作製した。この薄膜を窒素雰囲気下にて、150℃で30分加熱した。次に金を真空蒸着して、高分子薄膜上にチャネル長50μm、チャネル幅1.5mmのソース電極、ドレイン電極を作製した。
高分子化合物P3を用い、シラン処理剤としてパーフルオロデシルトリクロロシラン(FDTS)を用いた以外は、上記と同様にしてトランジスタ素子を作製し、評価した。図6(A)に伝達特性、図6(B)に出力特性を示す。これらの特性から、ホール移動度は0.54cm2/Vs、電流のオン・オフ比は1×105と算出された。
高分子化合物P4を用い、シラン処理剤としてパーフルオロデシルトリクロロシラン(FDTS)を用いた以外は、上記と同様にしてトランジスタ素子を作製し、評価した。図7(A)に伝達特性、図7(B)に出力特性を示す。これらの特性から、ホール移動度は0.45cm2/Vs、電流のオン・オフ比は1×106と算出された。
下記反応式に示したように、更に、種々の高分子化合物(高分子化合物P21〜高分子化合物P34)を合成した。
それぞれの高分子化合物P21〜P34を用いて、上述した太陽電池素子の作製方法に準じて太陽電池素子を作製し、その特性を評価した。また、それぞれの高分子化合物P21〜P34を用いて、上述したトランジスタ素子の作成方法に準じてトランジスタ素子を作製し、その特性を評価した。
Claims (4)
- 前記単環の複素芳香環がチオフェン環或いはセレノフェン環である、
ことを特徴とする請求項1に記載のウエットプロセス用有機半導体材料。 - 下式21乃至式24のいずれかで表される高分子化合物である、
ことを特徴とするウエットプロセス用有機半導体材料。
(式21乃至式24中、R1は水素、アルキル基、アルキルカルボニル基、アルコキシ基又はアルコキシカルボニル基、nは正の実数を表し、式21中、R4及びR5は水素、アルキル基、アルキルカルボニル基、アルコキシ基又はアルコキシカルボニル基、mは1以上の整数を表し、式23中、R3はアルキル基、アルキルカルボニル基、アルコキシ基又はアルコキシカルボニル基を表し、式24中、R2は、水素、アルキル基、アルキルカルボニル基、アルコキシ基、アルコキシカルボニル基又は置換基を有していてもよい芳香環を表す。)
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JP2015050297A (ja) * | 2013-08-30 | 2015-03-16 | Jx日鉱日石エネルギー株式会社 | 光電変換素子 |
TWI568736B (zh) * | 2014-04-02 | 2017-02-01 | 國立交通大學 | 雜環化合物及其合成方法 |
CN103897156B (zh) * | 2014-04-02 | 2016-05-18 | 国家纳米科学中心 | 一种带噻吩侧链的萘并二噻吩类二维共轭聚合物、制备方法及其用途 |
CN104031245B (zh) * | 2014-06-24 | 2016-05-18 | 国家纳米科学中心 | 一种聚合物光伏材料、制备方法及其用途 |
WO2017047808A1 (ja) * | 2015-09-18 | 2017-03-23 | 三菱化学株式会社 | コポリマー、光電変換素子、太陽電池及び太陽電池モジュール |
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CN106632999A (zh) * | 2016-09-06 | 2017-05-10 | 华南理工大学 | 一种含萘[1,2‑c;5,6‑c]二[1,2,5]噻二唑的聚合物半导体材料及其制备方法与应用 |
US10793584B2 (en) | 2016-12-27 | 2020-10-06 | Osaka University | Naphthobischalcogenadiazole derivative and production method therefor |
WO2019039369A1 (ja) * | 2017-08-23 | 2019-02-28 | 国立大学法人広島大学 | 高分子化合物及びその製造方法、それを含む有機半導体材料並びにそれを含む有機太陽電池 |
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US20140163188A1 (en) | 2014-06-12 |
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