WO2005024992A1 - 電解質組成物およびこれを用いた光電変換素子 - Google Patents
電解質組成物およびこれを用いた光電変換素子 Download PDFInfo
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- WO2005024992A1 WO2005024992A1 PCT/JP2004/013253 JP2004013253W WO2005024992A1 WO 2005024992 A1 WO2005024992 A1 WO 2005024992A1 JP 2004013253 W JP2004013253 W JP 2004013253W WO 2005024992 A1 WO2005024992 A1 WO 2005024992A1
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- WIPO (PCT)
- Prior art keywords
- electrolyte
- electrolyte composition
- photoelectric conversion
- ionic liquid
- dye
- Prior art date
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 55
- 239000000203 mixture Substances 0.000 title claims abstract description 36
- 239000002608 ionic liquid Substances 0.000 claims abstract description 23
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 12
- 150000001768 cations Chemical class 0.000 claims abstract description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 11
- 150000002367 halogens Chemical class 0.000 claims abstract description 10
- 150000001450 anions Chemical class 0.000 claims abstract description 9
- 125000004433 nitrogen atom Chemical group N* 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims description 29
- -1 dicyanoamide anion Chemical class 0.000 abstract description 14
- 239000004065 semiconductor Substances 0.000 description 20
- 239000000758 substrate Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 239000000975 dye Substances 0.000 description 10
- 239000010408 film Substances 0.000 description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 239000008151 electrolyte solution Substances 0.000 description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000010419 fine particle Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 229910052697 platinum Inorganic materials 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 238000005349 anion exchange Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 125000001424 substituent group Chemical group 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 4
- 229910001887 tin oxide Inorganic materials 0.000 description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 4
- MPPPKRYCTPRNTB-UHFFFAOYSA-N 1-bromobutane Chemical compound CCCCBr MPPPKRYCTPRNTB-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 239000003349 gelling agent Substances 0.000 description 3
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910003002 lithium salt Inorganic materials 0.000 description 3
- 159000000002 lithium salts Chemical class 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000002165 photosensitisation Effects 0.000 description 3
- 239000003504 photosensitizing agent Substances 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- IXBPPZBJIFNGJJ-UHFFFAOYSA-N sodium;cyanoiminomethylideneazanide Chemical compound [Na+].N#C[N-]C#N IXBPPZBJIFNGJJ-UHFFFAOYSA-N 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- MCTWTZJPVLRJOU-UHFFFAOYSA-N 1-methyl-1H-imidazole Chemical compound CN1C=CN=C1 MCTWTZJPVLRJOU-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 125000003710 aryl alkyl group Chemical group 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N coumarin Chemical compound C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 description 2
- QWJNFFYFEKXZBF-UHFFFAOYSA-N cyanocyanamide Chemical compound N#CNC#N QWJNFFYFEKXZBF-UHFFFAOYSA-N 0.000 description 2
- 125000000753 cycloalkyl group Chemical group 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229940006461 iodide ion Drugs 0.000 description 2
- 239000011325 microbead Substances 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 230000033116 oxidation-reduction process Effects 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000005118 spray pyrolysis Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- CIISBYKBBMFLEZ-UHFFFAOYSA-N 1,2-oxazolidine Chemical compound C1CNOC1 CIISBYKBBMFLEZ-UHFFFAOYSA-N 0.000 description 1
- CZSRXHJVZUBEGW-UHFFFAOYSA-N 1,2-thiazolidine Chemical compound C1CNSC1 CZSRXHJVZUBEGW-UHFFFAOYSA-N 0.000 description 1
- KVBQNFMTEUEOCD-UHFFFAOYSA-M 1-butylpyridin-1-ium;bromide Chemical compound [Br-].CCCC[N+]1=CC=CC=C1 KVBQNFMTEUEOCD-UHFFFAOYSA-M 0.000 description 1
- XUNZOJGWEGWJJG-UHFFFAOYSA-N 1-butylpyridin-1-ium;cyanoiminomethylideneazanide Chemical compound N#C[N-]C#N.CCCC[N+]1=CC=CC=C1 XUNZOJGWEGWJJG-UHFFFAOYSA-N 0.000 description 1
- GWQYPLXGJIXMMV-UHFFFAOYSA-M 1-ethyl-3-methylimidazol-3-ium;bromide Chemical compound [Br-].CCN1C=C[N+](C)=C1 GWQYPLXGJIXMMV-UHFFFAOYSA-M 0.000 description 1
- JFJNVIPVOCESGZ-UHFFFAOYSA-N 2,3-dipyridin-2-ylpyridine Chemical group N1=CC=CC=C1C1=CC=CN=C1C1=CC=CC=N1 JFJNVIPVOCESGZ-UHFFFAOYSA-N 0.000 description 1
- VMISXESAJBVFNH-UHFFFAOYSA-N 2-(4-carboxypyridin-2-yl)pyridine-4-carboxylic acid;ruthenium(2+);diisothiocyanate Chemical compound [Ru+2].[N-]=C=S.[N-]=C=S.OC(=O)C1=CC=NC(C=2N=CC=C(C=2)C(O)=O)=C1.OC(=O)C1=CC=NC(C=2N=CC=C(C=2)C(O)=O)=C1 VMISXESAJBVFNH-UHFFFAOYSA-N 0.000 description 1
- UUIMDJFBHNDZOW-UHFFFAOYSA-N 2-tert-butylpyridine Chemical compound CC(C)(C)C1=CC=CC=N1 UUIMDJFBHNDZOW-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- PZOFIRMIGXUPJG-UHFFFAOYSA-N CCN1CN(C)CC1.N#CNC#N Chemical compound CCN1CN(C)CC1.N#CNC#N PZOFIRMIGXUPJG-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- 208000000474 Poliomyelitis Diseases 0.000 description 1
- 229920012266 Poly(ether sulfone) PES Polymers 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 239000012327 Ruthenium complex Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 description 1
- 241001061127 Thione Species 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 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
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 229940006460 bromide ion Drugs 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical compound BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229960000956 coumarin Drugs 0.000 description 1
- 235000001671 coumarin Nutrition 0.000 description 1
- QZUMHWYWSGZKQF-UHFFFAOYSA-N cyanoiminomethylideneazanide;tributyl(pentyl)azanium Chemical compound [N-]=C=NC#N.CCCCC[N+](CCCC)(CCCC)CCCC QZUMHWYWSGZKQF-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001652 electrophoretic deposition Methods 0.000 description 1
- YQGOJNYOYNNSMM-UHFFFAOYSA-N eosin Chemical compound [Na+].OC(=O)C1=CC=CC=C1C1=C2C=C(Br)C(=O)C(Br)=C2OC2=C(Br)C(O)=C(Br)C=C21 YQGOJNYOYNNSMM-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 description 1
- 150000004693 imidazolium salts Chemical class 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 150000004698 iron complex Chemical class 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 159000000003 magnesium salts Chemical class 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
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910000484 niobium oxide Inorganic materials 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 150000002897 organic nitrogen compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 150000004032 porphyrins Chemical class 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 1
- 125000006413 ring segment Chemical group 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 230000001235 sensitizing effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- JSFMCJBSPUHNHS-UHFFFAOYSA-N silver;cyanoiminomethylideneazanide Chemical compound [Ag+].N#C[N-]C#N JSFMCJBSPUHNHS-UHFFFAOYSA-N 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical class CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- NFRBUOMQJKUACC-UHFFFAOYSA-N triethyl(pentyl)azanium Chemical compound CCCCC[N+](CC)(CC)CC NFRBUOMQJKUACC-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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M14/00—Electrochemical current or voltage generators not provided for in groups H01M6/00 - H01M12/00; Manufacture thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M14/00—Electrochemical current or voltage generators not provided for in groups H01M6/00 - H01M12/00; Manufacture thereof
- H01M14/005—Photoelectrochemical storage cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/12—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances organic substances
- H01B1/122—Ionic conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2004—Light-sensitive devices characterised by the electrolyte, e.g. comprising an organic electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2027—Light-sensitive devices comprising an oxide semiconductor electrode
- H01G9/2031—Light-sensitive devices comprising an oxide semiconductor electrode comprising titanium oxide, e.g. TiO2
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/542—Dye sensitized solar cells
Definitions
- the present invention relates to an electrolyte composition and a photoelectric conversion device using the same.
- Dye-sensitized solar cells have been developed by Gretzell et al. In Switzerland. They have the advantages of high photoelectric conversion efficiency and low manufacturing cost, and are attracting attention as a new type of solar cell (for example, See Japanese Patent No. 2664194, Japanese Patent No. 2001-160427, Japanese Patent No. 2001-230434, Japanese Patent No. 2002-184478).
- the schematic structure of a dye-sensitized solar cell consists of a porous conductive electrode substrate composed of oxide semiconductor fine particles (nanoparticles) such as titanium dioxide, on which a photosensitizing dye is supported, on a transparent conductive electrode substrate. And a counter electrode provided opposite to the working electrode. The working electrode and the counter electrode are filled with an electrolyte containing a redox couple.
- oxide semiconductor fine particles are sensitized by a photosensitizing dye that has absorbed incident light such as sunlight, and an electromotive force is generated between a working electrode and a counter electrode. It functions as a photoelectric conversion element that converts light energy into electric power.
- the use of the I- / I 3 electrolytic solution obtained by dissolving in a general-purpose organic solvents such as Asetonitoriru an oxidation-reduction pair, such as is common use this addition, the non-volatile I on liquid Known configurations include a quasi-solidified configuration in which a liquid electrolyte is gelled with an appropriate gelling agent, and a configuration using a solid semiconductor such as a p-type semiconductor.
- an organic solvent such as acetonitrile is used for preparing the electrolytic solution.
- the conductivity between the electrodes may not be secured, and the photoelectric conversion characteristics may be deteriorated. For this reason, it is difficult to secure a sufficient life especially when used outdoors.
- the present invention has been made in view of the above circumstances, and has as its object to provide an electrolytic solution composition having excellent characteristics and a photoelectric conversion element using the same.
- the present invention provides an electrolyte composition containing an ionic liquid having disyanamide anion as an anion.
- an ionic liquid having disyanamide anion as an anion examples include a cation containing a quaternized nitrogen atom.
- the electrolyte composition of the present invention can contain a halogen-containing redox couple.
- Preferred uses of the electrolyte composition of the present invention include, for example, an electrolyte for a photoelectric conversion element.
- the present invention provides a photoelectric conversion element using the above-mentioned electrolyte composition as an electrolyte.
- the photoelectric conversion element include a dye-sensitized solar cell.
- the electrolyte composition of the present invention has excellent properties, and is expected to have various uses as an electrolyte.
- the electrolyte composition of the present invention is used as an electrolyte of a photoelectric conversion element, high current characteristics and high voltage characteristics can be achieved at the same time, and good photoelectric conversion characteristics can be obtained.
- FIG. 1 is a cross-sectional view illustrating an example of the photoelectric conversion element of the present invention.
- the electrolyte yarn composition of the present invention contains an ionic liquid having dicyanoamide ion as anion.
- the ionic liquid is not particularly limited as long as it has dicyanoamide ion as an anion, but a room temperature molten salt which becomes a liquid at room temperature is used.
- Examples of the counter cation of dicyanoamidoadione include a cation containing a quaternized nitrogen atom.
- a force thione containing a quaternized nitrogen atom is a quaternary ammonium (N + R i RSRSR 4 ; 4 is a substituent such as an alkyl group, a cycloalkyl group, an aryl group, an aralkyl group, and a part or all of the hydrogen atoms of the substituent may be substituted.); ), Virazolidinium, isothiazolidinium, and cation of heterocyclic nitrogen-containing compounds such as isoxazolidinium.
- the quaternary nitrogen atom-containing cation has a substituent such as an alkyl group, a cycloalkyl group, an alkyl group, an aryl group, or an aralkyl group as a substituent bonded to a quaternized nitrogen atom or another ring atom. It may be.
- ionic liquid having disyanamide doorione examples include: 1-ethyl-3-methylimidazolyl-disyanamide, N-butylpyridinium-disyanamide, and N-ethyl-N-methylpyrrolidinide N-methylpyrrolidinium N-methylpyrrolidinium N-methylpyrrolidinium N-methylpyrrolidine N-methylpyrrolidinium N-hexyl-N-methylpyrrolid Geni-mousinamide, N-pentyl N, N, N-triethylammonium disinamide, N-hexyl_N, N, N-triethylammonium disinamide, N-pentyl N, N, N-tributylammonium dicyanoamide and the like.
- a redox couple can be added to the electrolyte composition of the present invention.
- a redox couple is preferably added when the electrolyte composition is applied to a dye-sensitized solar cell or the like.
- the redox couple is not particularly limited, but halide ions such as iodide ion (I-I), bromide ion (B r-), chloride ion (C 1-), and Br 3 , I 3 -, I 5 one, I 7 -, C 1 2 I-, C 1 I 2 one, B r 2 I-, B r I 2 - halogen-containing comprising a polyhalide Ion such as redox It is preferable to use pairs.
- halide ions such as iodide ion (I-I), bromide ion (B r-), chloride ion (C 1-), and Br 3 , I 3 -, I 5 one, I 7 -, C 1 2 I-, C 1 I 2 one, B r 2 I-, B r I 2 - halogen-containing comprising a polyhalide Ion such as redox It is preferable to use pairs.
- the halogen-containing redox couple can be obtained by reacting a halide molecule such as C 1—, Br—, I— with a halogen molecule.
- a halide molecule such as C 1—, Br—, I—
- the halogen molecule the use of C 1 2, B r 2, single molecular halogen and Z or C 1 I, such as I 2, B r I, interhalogen compounds such as B r C 1 (interhalogen compound) Wear.
- iodine iodide ions and bromine bromide ions can be exemplified.
- the ratio of halogen molecules to halide ions is not particularly limited, but is more preferably 0% to 100% in terms of molar ratio.
- the addition of halogen molecules is not particularly essential. However, if polio or cation halides are present, the cations and polyhalogenide ions form an oxidation-reduction pair, which can improve properties such as photoelectric conversion characteristics. Thus, it is preferable to add a halogen molecule.
- a lithium salt, a quaternized imidazolium salt, a tetrabutylammonium salt, or the like can be used alone or in combination.
- the electrolyte composition of the present invention may be physically and chemically gelled using an appropriate gelling agent.
- electrolyte composition of the present invention if necessary, 41-tert-butylpyridine, Organic nitrogen compounds such as 2-Burpyridine and N-vinyl-2-pyrrolidone; various additives such as lithium salt, sodium salt, magnesium salt, iodide salt, thiocyanate, water, etc. Or within a range that does not impair the properties.
- Organic nitrogen compounds such as 2-Burpyridine and N-vinyl-2-pyrrolidone
- various additives such as lithium salt, sodium salt, magnesium salt, iodide salt, thiocyanate, water, etc. Or within a range that does not impair the properties.
- the method for producing the electrolyte composition of the present invention from the above components is not particularly limited.
- an additive such as a redox couple is added to an ionic liquid and uniformly mixed.
- the electrolyte composition of the present invention can be preferably used for a photoelectric conversion element such as a dye-sensitized solar cell. Since the ionic liquid having dicyanoamide ion as an anion has a lower viscosity than conventional ionic liquids, it can be expected to have an effect of improving the charge transport speed in the electrolyte. Another major feature is that a higher electromotive force (open circuit voltage) is obtained when this electrolyte composition is used in a dye-sensitive solar cell than when other ionic liquids are used.
- FIG. 1 is a cross-sectional view showing a schematic configuration example of a dye-sensitized solar cell as one embodiment of the photoelectric conversion element of the present invention.
- the dye-sensitized solar cell 1 has a working electrode 6 having an oxide semiconductor porous film 5 made of fine particles of an oxide semiconductor such as titanium oxide and carrying a photosensitizing dye on a transparent electrode substrate 2; And a counter electrode 8 provided opposite to the working electrode 6.
- An electrolyte layer 7 made of the above-mentioned electrolyte composition is formed between the working electrode 6 and the counter electrode 8.
- the transparent electrode substrate 2 is obtained by forming a conductive layer 3 made of a conductive material family on a transparent substrate 4 such as a glass plate or a plastic sheet.
- the material of the transparent substrate 4 a material having high light transmittance is preferable in terms of application.
- PET polyethylene terephthalate
- PEN polyethylene naphthalate
- PC polycarbonate
- PES polyether sulfone
- a transparent oxide such as tin-doped tin oxide (IT ⁇ ), tin oxide (Sn ⁇ 2 ), and fluorine-doped tin oxide (FTO) is used from the viewpoint of the light transmittance of the transparent electrode substrate 2.
- IT ⁇ tin-doped tin oxide
- Sn ⁇ 2 tin oxide
- FTO fluorine-doped tin oxide
- the material is not particularly limited to these, and an appropriate material suitable for the purpose of use may be selected and used from the viewpoint of light transmittance and conductivity.
- a metal wiring layer made of nickel, titanium, or the like may be used in combination.
- the transparent electrode substrate 2 may be arranged in a pattern such as a lattice, a stripe, or a comb so as to transmit light evenly.
- the conductive layer 3 As a method for forming the conductive layer 3, a known appropriate method according to the material of the conductive layer 3 may be used.
- the conductive layer 3 is formed from an oxide semiconductor such as ITO, a sputtering method, Thin-film formation methods such as CVD, SPD (spray pyrolysis deposition), and vapor deposition are listed. Then, in consideration of light transmittance and conductivity, it is usually formed to a thickness of about 0.05 / im to 2.0 ⁇ .
- the oxide semiconductor porous film 5 titanium oxide (T I_ ⁇ 2), tin oxide (Sn0 2), oxidation of tungsten (W0 3), zinc oxide (ZnO), 1 such as niobium oxide (Nb 2 ⁇ 5) Average particle size of seed or compound of two or more :! It is a porous thin film mainly composed of oxide semiconductor particles of up to 1000 nm and having a thickness of about 0.5 to 50 / m.
- the oxide semiconductor porous film 5 As a method for forming the oxide semiconductor porous film 5, for example, a commercially available dispersion liquid in which fine particles of an oxide semiconductor are dispersed in a desired dispersion medium or a colloid solution that can be adjusted by a sol-gel method is required. After adding the desired additives according to the requirements, it is applied by well-known coating methods such as screen printing, inkjet printing, roll coating, doctor blade, spin coating, spray coating, and the like. Electrophoretic deposition method in which 2 is immersed and electrophoretically adheres oxide semiconductor fine particles onto electrode substrate 2. A foaming agent is mixed and applied to a colloidal solution or dispersion, then sintered and porous. After mixing and applying the polymer microbeads, the polymer microbeads are removed by heat treatment or chemical treatment to form voids. For example, and a method of making the material porous may be applied.
- a commercially available dispersion liquid in which fine particles of an oxide semiconductor are dispersed in a desired disper
- the sensitizing dye supported on the oxide semiconductor porous film 5 is not particularly limited, and may be, for example, a ruthenium complex / iron complex having a ligand having a viviridine structure, a terpyridine structure, or the like, a porphyrin It can be appropriately selected and used from organic dyes such as eosin, rhodamine, merocyanine, coumarin and the like, as well as metal complexes of the system-phthalocyanine system, depending on the application and the material of the oxide semiconductor porous film.
- the counter electrode 8 is, for example, a thin film made of a conductive oxide semiconductor such as ITO or FTO formed on a substrate made of a non-conductive material such as glass, or gold, platinum, or carbon on a substrate.
- An electrode formed by depositing or coating a conductive material such as a system material can be used.
- a layer of platinum, carbon, or the like may be formed on a thin film of a conductive oxide semiconductor such as ITO or FTO.
- a method for producing such a counter electrode 8 for example, a method of forming a platinum layer by applying a heat treatment after application of chloroplatinate is mentioned.
- a method in which electrodes are formed on a substrate by a vapor deposition method or a sputtering method may be used.
- the electrolyte layer 7 is formed between the working electrode 6 and the counter electrode 8 by being filled with an electrolyte thread containing an ionic liquid having disanamide ion as an anion.
- the main component of the electrolyte composition is an ionic liquid having dicyanoamide as anion, so that the current and voltage characteristics are higher than those of a conventional ionic liquid. And at the same time, good photoelectric conversion characteristics can be realized.
- 1-Methylimidazole was reacted with butyl bromide by a conventional method to obtain 1-ethyl-3-methylimidazolium bromide. After purifying this by recrystallization, it was mixed with sodium dicyanoamide in acetone and anion-exchanged to synthesize an ionic liquid represented by the following formula 1. The obtained 1 ethyl _ 3-meth Louisimidazolidicyanamide was purified using a silica column and then used for preparing an electrolyte.
- 1-Methylimidazole was reacted with butyl bromide according to a conventional method to obtain 1-ethyl-3-methylimidazolide monobromide. After purification by recrystallization, the mixture was mixed with bistrifluoromethylsulfonylimido lithium salt in water and subjected to anion exchange to synthesize an ionic liquid represented by the following formula 3. The obtained 1-ethynolei 3-methylimidazolium-bistriphnoleo-methylsulfoninoleide was sufficiently washed and purified with pure water, and then used for preparing an electrolytic solution. ; ⁇ CF 3
- the electrolyte compositions according to Nos. 1 to 7 were prepared by mixing the ionic liquid, the redox couple, and other additives as necessary according to the formulations shown in Table 1.
- Table 1 the meanings of the abbreviations used are as follows.
- a slurry containing titanium oxide nanoparticles having a particle diameter of 13 to 20 nm is applied on a glass substrate with an FTO film, dried, and fired at 450 ° C for 1 hour to form an oxide semiconductor porous film. Formed. This was immersed once in a dye solution to allow the oxide semiconductor porous film to carry the dye, thereby forming a photoelectrode. Ruthenium biviridine complex (N 3 dye) was used as the dye.
- the dye-carrying electrode was used as a working electrode, and a counter electrode facing the working electrode was one in which a platinum layer was formed on a glass substrate with an FTO film by a sputtering method.
- a working electrode and a counter electrode were overlapped, and the above-described electrolyte composition was filled between these electrodes to prepare a dye-sensitized solar cell serving as a test cell.
- test cells were evaluated under the light irradiation conditions of an air mass (AM) of 1.5 and an irradiance of 10 O mWZ cm 2 .
- Table 2 shows the evaluation results.
- the test cells of the examples using the electrolyte composition of the present invention are numbered 1 to 4
- the test cells of the comparative examples using the conventional electrolyte composition are numbered 5 to 7. .
- Table 2
- test cells (Nos. 1 to 4) of the example achieved higher conversion efficiency than the test cells (Nos. 5 to 7) of the comparative example.
- the electrolyte composition of the present invention has excellent characteristics, it can be expected to be used for various applications other than the electrolyte for the photoelectric conversion element.
- the photoelectric conversion element of the present invention has excellent photoelectric conversion efficiency. Therefore, a solar cell such as a dye-sensitive solar cell using such a photoelectric conversion element is extremely effective.
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Abstract
Description
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AU2004303035A AU2004303035C1 (en) | 2003-09-08 | 2004-09-06 | Electrolyte composition and photoelectric converter using same |
CN2004800255819A CN1846328B (zh) | 2003-09-08 | 2004-09-06 | 电解质组合物及采用其的光电转换元件 |
US10/571,054 US20080060698A1 (en) | 2003-09-08 | 2004-09-06 | Electrolyte Composition And Photoelectric Conversion Element Utilizing The Same |
CA2538045A CA2538045C (en) | 2003-09-08 | 2004-09-06 | Electrolyte composition and photoelectric converter using same |
EP04772935.5A EP1675211B1 (en) | 2003-09-08 | 2004-09-06 | Electrolyte composition and photoelectric converter using same |
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JP2003315955A JP4459578B2 (ja) | 2003-09-08 | 2003-09-08 | 色素増感太陽電池 |
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KR (1) | KR100767019B1 (ja) |
CN (1) | CN1846328B (ja) |
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ES2340381T3 (es) * | 2004-04-06 | 2010-06-02 | Lonza Ag | Dicianoamidas de alquilpiridinio como disolventes polares. |
JP5027997B2 (ja) * | 2005-05-17 | 2012-09-19 | 株式会社日本触媒 | 導電性付与剤及び導電性材料 |
WO2006123810A1 (en) * | 2005-05-17 | 2006-11-23 | Nippon Shokubai Co., Ltd. | Ionic material and application thereof |
DE602005011415D1 (de) * | 2005-06-16 | 2009-01-15 | Asulab Sa | Herstellungsverfahren für ein transparentes Element mit transparenten Elektroden und entsprechendes Element |
PT103765A (pt) | 2007-06-20 | 2008-12-22 | Inst Superior Tecnico | Síntese e aplicação de uma família de novos materiais resultantes do cruzamento entre gelatina e sais orgânicos |
KR101696939B1 (ko) | 2008-10-29 | 2017-01-16 | 후지필름 가부시키가이샤 | 색소, 이것을 사용한 광전 변환 소자, 광전기 화학 전지, 및 색소의 제조 방법 |
TW201024267A (en) * | 2008-12-19 | 2010-07-01 | Ind Tech Res Inst | Electrolyte composition and dye-sensitized solar cell using the same |
TWI463679B (zh) * | 2009-04-30 | 2014-12-01 | Univ Minghsin Sci & Tech | Double - sided solar cell transparent board structure |
JP5620081B2 (ja) | 2009-09-28 | 2014-11-05 | 富士フイルム株式会社 | 光電変換素子の製造方法 |
JP5834391B2 (ja) * | 2010-10-05 | 2015-12-24 | 日立化成株式会社 | 有機エレクトロルミネセンス素子、表示素子、照明装置、及び表示装置 |
JP2012195280A (ja) * | 2011-03-02 | 2012-10-11 | Sony Corp | 光電変換素子、光電変換素子の製造方法、電子機器および建築物 |
JP5591156B2 (ja) * | 2011-03-04 | 2014-09-17 | 大阪瓦斯株式会社 | 電解液及び光電変換素子 |
JP2012209243A (ja) * | 2011-03-17 | 2012-10-25 | Rohm Co Ltd | 色素増感太陽電池 |
JP5881431B2 (ja) * | 2012-01-19 | 2016-03-09 | 大阪瓦斯株式会社 | 電解液及び光電変換素子 |
CN104412346A (zh) * | 2012-06-26 | 2015-03-11 | 日本贵弥功株式会社 | 色素敏化太阳能电池 |
US20140216536A1 (en) * | 2013-02-06 | 2014-08-07 | National Cheng Kung University | Flexible dye-sensitized solar cell |
JP5972811B2 (ja) | 2013-02-22 | 2016-08-17 | 富士フイルム株式会社 | 光電変換素子、光電変換素子の製造方法および色素増感太陽電池 |
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JP2004227909A (ja) * | 2003-01-22 | 2004-08-12 | Nippon Shokubai Co Ltd | イオン性物質の製造方法 |
JP2004241378A (ja) * | 2003-01-15 | 2004-08-26 | Nippon Shokubai Co Ltd | 色素増感型太陽電池 |
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EP1626041B1 (fr) * | 1998-02-03 | 2016-07-13 | ACEP Inc. | Nouveaux matériaux utiles en tant que solutés électrolytiques |
DE69942453D1 (de) * | 1998-05-29 | 2010-07-15 | Jgc Catalysts & Chemicals Ltd | Verfahren zur herstellung photoelektrischer zellen |
JP2000100483A (ja) * | 1998-09-22 | 2000-04-07 | Sharp Corp | 光電変換素子及びその製造方法及びこれを用いた太陽電池 |
US6384321B1 (en) * | 1999-09-24 | 2002-05-07 | Kabushiki Kaisha Toshiba | Electrolyte composition, photosensitized solar cell using said electrolyte composition, and method of manufacturing photosensitized solar cell |
EP1180774B1 (en) * | 2000-08-15 | 2006-10-11 | Fuji Photo Film Co., Ltd. | Photoelectric conversion device and method for producing same |
EP1473745A1 (en) * | 2003-04-30 | 2004-11-03 | Ecole Polytechnique Federale De Lausanne (Epfl) | Dye sensitized solar cell |
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JP2004227909A (ja) * | 2003-01-22 | 2004-08-12 | Nippon Shokubai Co Ltd | イオン性物質の製造方法 |
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EP1675211A4 (en) | 2007-05-09 |
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CA2538045C (en) | 2010-07-13 |
KR100767019B1 (ko) | 2007-10-15 |
CA2538045A1 (en) | 2005-03-17 |
EP1675211A1 (en) | 2006-06-28 |
EP1675211B1 (en) | 2019-04-17 |
CN1846328B (zh) | 2010-12-15 |
US20080060698A1 (en) | 2008-03-13 |
AU2004303035B2 (en) | 2008-04-10 |
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CN1846328A (zh) | 2006-10-11 |
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