DYE-SENSITIZED SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME
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United States of America Patent
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Issued Date -
May 31, 2012
app pub date -
Aug 20, 2009
filing date -
Aug 20, 2009
priority date (Note) -
Abandoned
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Abstract
A dye-sensitized solar cell comprises a photoelectrode formed by using a stainless steel plate and a counter electrode formed by using a light-transmissive electroconductive material, wherein the photoelectrode comprises, as the substrate thereof, a stainless steel plate having a chemical composition containing Cr: at least 16% by mass and Mo: at least 0.3% by mass and having a roughened surface in which pit-like indentations are formed and which is controlled to have an arithmetic average roughness Ra of at least 0.2 μm, and comprises, as formed on the roughened surface of the substrate, a sensitizing dye-carrying semiconductor layer, the counter electrode has a catalyst thin-film layer formed on the surface of the light-transmissive electroconductive material and has visible light tansmissiveness, and the semiconductor layer of the photoelectrode and the catalyst thin-film layer of the counter electrode face each other via an electrolytic solution.
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