JP6404133B2 - 末端にチオフェンを有する屈曲型のチエノチオフェン骨格を特徴とする有機半導体材料を有機半導体層に使用した有機トランジスタ。 - Google Patents
末端にチオフェンを有する屈曲型のチエノチオフェン骨格を特徴とする有機半導体材料を有機半導体層に使用した有機トランジスタ。 Download PDFInfo
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- JP6404133B2 JP6404133B2 JP2015013913A JP2015013913A JP6404133B2 JP 6404133 B2 JP6404133 B2 JP 6404133B2 JP 2015013913 A JP2015013913 A JP 2015013913A JP 2015013913 A JP2015013913 A JP 2015013913A JP 6404133 B2 JP6404133 B2 JP 6404133B2
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- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- WQONPSCCEXUXTQ-UHFFFAOYSA-N 1,2-dibromobenzene Chemical compound BrC1=CC=CC=C1Br WQONPSCCEXUXTQ-UHFFFAOYSA-N 0.000 description 1
- OIRHKGBNGGSCGS-UHFFFAOYSA-N 1-bromo-2-iodobenzene Chemical compound BrC1=CC=CC=C1I OIRHKGBNGGSCGS-UHFFFAOYSA-N 0.000 description 1
- 125000001637 1-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C(*)=C([H])C([H])=C([H])C2=C1[H] 0.000 description 1
- 125000001731 2-cyanoethyl group Chemical group [H]C([H])(*)C([H])([H])C#N 0.000 description 1
- 125000001622 2-naphthyl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C(*)C([H])=C([H])C2=C1[H] 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical class CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 1
- 229910015900 BF3 Inorganic materials 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- BBXYPUKBKQVENX-UHFFFAOYSA-N C=Cc1cccc2c1[nH]cc2 Chemical compound C=Cc1cccc2c1[nH]cc2 BBXYPUKBKQVENX-UHFFFAOYSA-N 0.000 description 1
- MNIBDUXJYDYMHW-UHFFFAOYSA-N C=[IH]1c2c3c(N=C(C45)C=Cc6c4[nH]cc6)c5[nH]c3ccc2C=C1 Chemical compound C=[IH]1c2c3c(N=C(C45)C=Cc6c4[nH]cc6)c5[nH]c3ccc2C=C1 MNIBDUXJYDYMHW-UHFFFAOYSA-N 0.000 description 1
- LPQHMHCYIPTROO-UHFFFAOYSA-N Cc1c(-c2c(CCCOC)ccc3ccccc23)[nH]c2ccc(cccc3)c3c12 Chemical compound Cc1c(-c2c(CCCOC)ccc3ccccc23)[nH]c2ccc(cccc3)c3c12 LPQHMHCYIPTROO-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000004057 DFT-B3LYP calculation Methods 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- QZRGKCOWNLSUDK-UHFFFAOYSA-N Iodochlorine Chemical compound ICl QZRGKCOWNLSUDK-UHFFFAOYSA-N 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 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
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 1
- XBDYBAVJXHJMNQ-UHFFFAOYSA-N Tetrahydroanthracene Natural products C1=CC=C2C=C(CCCC3)C3=CC2=C1 XBDYBAVJXHJMNQ-UHFFFAOYSA-N 0.000 description 1
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- RWBMMASKJODNSV-UHFFFAOYSA-N [1]benzothiolo[2,3-g][1]benzothiole Chemical compound C1=CC=C2C3=C(SC=C4)C4=CC=C3SC2=C1 RWBMMASKJODNSV-UHFFFAOYSA-N 0.000 description 1
- WXVRAHOQLYAQCR-UHFFFAOYSA-M [O-]c1cccc2c1[o]cc2 Chemical compound [O-]c1cccc2c1[o]cc2 WXVRAHOQLYAQCR-UHFFFAOYSA-M 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 150000001241 acetals Chemical class 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 125000005073 adamantyl group Chemical group C12(CC3CC(CC(C1)C3)C2)* 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 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
- 150000001413 amino acids Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical group C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 1
- 125000005428 anthryl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C(*)=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007611 bar coating method Methods 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- RFRXIWQYSOIBDI-UHFFFAOYSA-N benzarone Chemical compound CCC=1OC2=CC=CC=C2C=1C(=O)C1=CC=C(O)C=C1 RFRXIWQYSOIBDI-UHFFFAOYSA-N 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 229910052798 chalcogen Inorganic materials 0.000 description 1
- 150000001787 chalcogens Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 125000006165 cyclic alkyl group Chemical group 0.000 description 1
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 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
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- BOCFGAMKSYQRCI-UHFFFAOYSA-N dinaphtho[2,3-b:2',3'-d]furan Chemical compound C1=CC=C2C=C3C4=CC5=CC=CC=C5C=C4OC3=CC2=C1 BOCFGAMKSYQRCI-UHFFFAOYSA-N 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- VGWBXRXNERKBSJ-UHFFFAOYSA-N dithieno[2,3-a:2',3'-d]thiophene Chemical compound C1=CSC2=C1SC1=C2SC=C1 VGWBXRXNERKBSJ-UHFFFAOYSA-N 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000004991 fluoroalkenyl group Chemical group 0.000 description 1
- 125000003709 fluoroalkyl group Chemical group 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 150000002366 halogen compounds Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-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
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000009878 intermolecular interaction Effects 0.000 description 1
- CBEQRNSPHCCXSH-UHFFFAOYSA-N iodine monobromide Chemical compound IBr CBEQRNSPHCCXSH-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- 238000004768 lowest unoccupied molecular orbital Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- IUYHWZFSGMZEOG-UHFFFAOYSA-M magnesium;propane;chloride Chemical compound [Mg+2].[Cl-].C[CH-]C IUYHWZFSGMZEOG-UHFFFAOYSA-M 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000005743 methylethenyl group Chemical group [H]\C(*)=C(\[H])C([H])([H])[H] 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 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
- 125000003136 n-heptyl 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])* 0.000 description 1
- JIKUXBYRTXDNIY-UHFFFAOYSA-N n-methyl-n-phenylformamide Chemical compound O=CN(C)C1=CC=CC=C1 JIKUXBYRTXDNIY-UHFFFAOYSA-N 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
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 125000002347 octyl 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])[H] 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- QHIRVZBLPRTQQO-UHFFFAOYSA-I pentafluorotungsten Chemical compound F[W](F)(F)(F)F QHIRVZBLPRTQQO-UHFFFAOYSA-I 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 125000005561 phenanthryl group Chemical group 0.000 description 1
- OBCUTHMOOONNBS-UHFFFAOYSA-N phosphorus pentafluoride Chemical compound FP(F)(F)(F)F OBCUTHMOOONNBS-UHFFFAOYSA-N 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 238000003077 quantum chemistry computational method Methods 0.000 description 1
- 230000005610 quantum mechanics Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- MABNMNVCOAICNO-UHFFFAOYSA-N selenophene Chemical group C=1C=C[se]C=1 MABNMNVCOAICNO-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000005207 tetraalkylammonium group Chemical group 0.000 description 1
- 125000005497 tetraalkylphosphonium group Chemical group 0.000 description 1
- IFLREYGFSNHWGE-UHFFFAOYSA-N tetracene Chemical compound C1=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C21 IFLREYGFSNHWGE-UHFFFAOYSA-N 0.000 description 1
- 125000000101 thioether group Chemical group 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 150000003623 transition metal compounds Chemical class 0.000 description 1
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- KPGXUAIFQMJJFB-UHFFFAOYSA-H tungsten hexachloride Chemical compound Cl[W](Cl)(Cl)(Cl)(Cl)Cl KPGXUAIFQMJJFB-UHFFFAOYSA-H 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 230000005428 wave function Effects 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 description 1
- 238000004857 zone melting Methods 0.000 description 1
Images
Landscapes
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Thin Film Transistor (AREA)
Description
また、2,1−DNTTと異性体関係にあるジナフト[1,2−b:1‘,2’−f]チエノ[3,2−b]チオフェン(以下1,2−DNTTとする。)も特許文献2、3と同一の出願人により特許されている(特許文献4)。
[化A4]
[[化A4]中、Xは、酸素、硫黄またはセレンである。]
なお、45DBT3は1,2−DNTTの端末のベンゼン環をチオフェン環に置き換えた有機半導体材料である。
[化A5]
[化A5]中、Aは、チオフェン、フラン、セレノフェン、ピロール環である。]
化合物Bに臭素などのハロゲンや塩化チオニル等の公知のハロゲン化剤と硫黄を作用させることで、67DBT3を合成することができる。
[化2]
ただし、化学式[化2]中のR1からR8は、第1発明の[化1]のR1からR8と同じである。
[化5]
[化3]
ただし、化学式[化3]中のR1からR8は、第1発明の[化1]のR1からR8と同じである。
また、ここで言うドライプロセスとは、真空蒸着法、スパッタリング法、CVD法、レーザー蒸着法、分子線エピタキシャル成長法、気相輸送成長法などを示しており、これら公知の方法が利用できる。
のような有機絶縁膜や、酸化ケイ素、酸化アルミニウム、酸化タンタル、酸化チタン、酸化スズ、チタン酸バリウム、チタン酸ストロンチウムなどの無機絶縁膜を用いることができる。なお、CYTOPとは、アモルファス(非晶質)構造を有するフッ素樹脂で、透明性があり、コーティング剤、絶縁膜等に使用される。
また、目的の化合物は必要に応じてMS(質量分析スペクトル)、1H―NMRおよび13C−NMRにより決定した。使用した機器は以下の通りである。
MS:ABSCIEX Q−STAR
1H―NMRおよび13C−NMR:Agilent Technologies MercuryPlus
1H―NMR(CDCl3, 400.4MHz)δ=7.23(1H,t,J=8.6Hz),7.41(1H,d,J=5.5Hz),7.47(1H,d,J=8.6Hz),7.47(1H,d,J=5.3Hz),7.74(1H,dd,J=0.8Hz,8.6Hz).
13C−NMR(CDCl3, 100.7MHz)δ=116.1,122.7,124.9,125.7,127.3,127.4,140.7,141.8.
窒素雰囲気下、化合物A0.3g(1.4mmol)のTHF溶液10mlにi−PrMgCl・LiCl(1M−THF溶液)を2.8ml(2.8mmol、2eq)滴下し、室温で2時間撹拌後、0℃でN,N−ジメチルホルムアミド0.29ml(4.2mmol、3eq)を滴下し、滴下後室温に昇温後、塩酸で処理、トルエンで抽出し、有機層を減圧濃縮後、化合物Bを0.15g、収率66%で得た。
1H―NMR(CDCl3, 400.4MHz)δ=7.42(1H,d,J=5.5Hz),7.56(1H,t,J=7.2Hz),7.64(1H,d,J=5.6Hz),7.85(1H,ddd,J=0.4Hz,1.1Hz,7.2Hz)8.03(1H,dd,J=1.1Hz,7.8Hz),10.23(1H,s).13C−NMR(CDCl3, 100.7MHz)δ=122.9,124.3,129.8,130.5,130.9,131.4,137.1,141.3,191.3.
MS(APPI) m/z=3521H―NMR(C2D2Cl4, 400.4MHz)δ=7.62(2H,d,J=5.3Hz),7.68(2H,d,J=5.3Hz),7.96(2H,d,J=8.5Hz),8.04(2H,d,J=8.5Hz).
[化7]
MS(APPI) m/z=576
1 H−NMR(C2D2Cl4, 400.4MHz)δ=0.91(6H,t,J=7.1Hz),1.31(20H,m),1.85(4H,m),3.04(4H,t,J=7.4Hz),7.25(2H,s),7.76(2H,d,J=8.6Hz),7.94(2H,d,J=8.6Hz).
13C−NMR(C2D2Cl4, 100.7MHz)δ=14.3,22.7,29.2,29.3,29.4,30.9,31.5,31.9,120.1,120.2,121.2,127.0,131.8,132.1,137.7,139.0,146.7
54DBT3のMSおよび1H−NMRの測定結果を以下に示す。また、54DBT3の1H−NMRスペクトルを図7に示す。
MS(APPI) m/z=352
1H―NMR(C2D2Cl4, 400.4MHz)δ=7.76(2H,d,J=5.3Hz),7.96(6H,m).
また、アルキル基を有する8−67DBT3の溶解度は、ジクロロメタン中1125mg/Lであり、80℃トルエン中66g/Lと溶解性が非常に高い。
Gaussianは、多種多様な分子・化学反応を解析・設計するための量子化学計算ソフトウェアであり、有名で利用者数の多い量子化学計算ソフトウェアである。分子設計・構造解析・化学反応解析などで多くの成果を上げている。Gaussianは、様々な半経験的・非経験的量子化学計算法に関する機能を有しており、密度汎関数理論に基づく計算にも対応している。また、分子構造・基準振動などの基礎物性や、NMR化学シフトや紫外・可視吸収スペクトルなどの分子の同定や材料設計に役立つ物性値などを算出することが可能である。
密度汎関数理論(Density Functional Theory, DFT)とは、物理や化学の分野に於いて、原子、分子、凝集系などの多体電子系の電子状態を調べるために用いられる量子力学の理論である。この理論では、多体系の全ての物理量は空間的に変化する電子密度の汎関数として表され、密度汎関数理論という名前はそれに由来している。汎関数理論を用いた計算は実験結果と十分に一致し、また計算コストもハートリー-フォック法などの多体の波動関数を用いる手法と比べて低為、最も広く使われている手法である。
54DBT3を170℃に加熱しながら、アルゴンガスをキャリアガスとして、100ml/minの流速で流し、結晶の析出部分を120℃にすることで54DBT3の単結晶サンプルを作成した。
54DBT3の0.01wt%メシチレン溶液を基板へキャストした。調整の際、室温でサンプルが溶解しなかったため、ヒートガンを使用した。基板は0.7wt%のポリメチルメタクリレート(PMMA)溶液を2000rpmで30秒間の条件でスピンコート法により成膜し、120℃で4時間アニールしたSi/SiO2基板(膜厚30nm)を使用した。ソース・ドレイン電極は単結晶の両端にカーボンペーストを塗布することで形成し、減圧条件下でFET測定を行った。
54DBT3を真空蒸着装置を用いて基板上に50nm蒸着し、さらにその上にソース、ドレイン電極となる金を電子ビーム法を用いて80nm蒸着(L=50μm、W=1.5mm)し、トップコンタクト型素子を作成した。なお、用いた基板はSi/SiO2基板にPSとCYTOPでそれぞれ表面処理したものと未処理(bare)のものを用い、有機膜の作製条件として、基板温度は室温で作製を行った。AFM測定によりPSの膜厚は13nm、CYTOPの膜厚は27.8nmであった。
8−67DBT3のメシチレン溶液を0.2wt%、0.1wt%、0.05wt%の濃度で調整し、基板へキャストした。調整の際、室温でサンプルが溶解しなかったため、ヒートガンを使用した。基板は0.7wt%のPMMA溶液を2000rpmで30秒間の条件でスピンコート法により成膜し、120℃で4時間アニールしたSi/SiO2基板(膜厚30nm)を使用した。ソース・ドレイン電極は単結晶の両端にカーボンペーストを塗布することで形成し、減圧条件下でFET測定を行った。
8−67DBT3を真空蒸着装置を用いて基板上に50nm蒸着し、さらにその上にソース、ドレイン電極となる金を電子ビーム法を用いて80nm蒸着(L=50μm、W=1.5mm)し、トップコンタクト型素子を作成した。なお、用いた基板はSi/SiO2基板にPSとCYTOPでそれぞれ表面処理したものと未処理(bare)のものを用い、有機膜の作製条件として、基板温度は室温で作製を行った。
2 ボトムコンタクト型FET
3 ソース
4 ドレイン
5 有機半導体
6 絶縁膜
7 基板(ゲート)
Claims (3)
- 化学式[化1]で示される末端にチオフェンを有する屈曲型のチエノチオフェン骨格を特徴とする化合物を有機半導体に使用する有機トランジスタ。[化1]
化学式〔化1〕中の置換基R1からR8は、水素原子及びハロゲン原子、炭素数が3から60のアリール基、炭素数が3から60の複素環基、炭素数が1から30のアルキル基、炭素数が2から30のアルケニル基、炭素数が2から30のアルキニル基、炭素数が1から30のアルコキシル基、炭素数が1から60のアミノ基、炭素数が1から30のアミド基、炭素数が1から30のイミノ基、炭素数が1から30のカルボキシル基、ヒドロキシル基、炭素数が1から30のエステル基、ニトロ基、ニトリル基、炭素数が1から30のスルフィド基、メルカプト基、炭素数が1から30のスルホニル基、炭素数が1から60のシリル基のうち、少なくとも一つを含み、これらの各基は置換基を有していてもよい。 - 請求項1から請求項2に記載の化学式[化1]、[化2]の有機半導体材料を組み合わせて有機半導体層に使用する有機トランジスタ。
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