PHOTOELECTRIC CONVERSION ELEMENT AND DYE-SENSITIZED SOLAR CELL USING THE SAME

PROBLEM TO BE SOLVED: To provide a photoelectric conversion element using an electrolytic solution which hardly causes the deterioration of the solar cell and achieves a high energy conversion efficiency even if an amount of iodine to be added to the electrolytic solution is significantly reduced an...

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Bibliographische Detailangaben
Hauptverfasser:	IKEGAMI KAZUSHI, TESHIMA KENJIRO, KISHIMOTO SHINZO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION SEMICONDUCTOR DEVICES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a photoelectric conversion element using an electrolytic solution which hardly causes the deterioration of the solar cell and achieves a high energy conversion efficiency even if an amount of iodine to be added to the electrolytic solution is significantly reduced and to provide a dye-sensitized solar cell using the photoelectric conversion element.SOLUTION: The dye-sensitized solar cell or the photoelectric conversion element has a semiconductor electrode layer including dye-sensitized semiconductor particles, an electrolytic solution layer and a counter electrode, which are laminated on a conductive support in this order. The electrolytic solution layer includes: a mixture of an inorganic salt selected from alkali metal halide, alkali earth metal halide and ammonium halide, and imidazolium salt as a solute; and one or both of glycol ether and five-membered cyclic ether as a solvent. The density of triiodide ions as redox pairs in the electrolytic solution is 0-0.05 mol/L.