DYE-SENSITIZED SOLAR CELL
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United States of America Patent
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Issued Date -
Aug 12, 2010
app pub date -
Jul 23, 2008
filing date -
Aug 6, 2007
priority date (Note) -
Abandoned
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Abstract
[Problems] To provide an electrode substrate for a dye-sensitized solar cell having a dye-sensitized semiconductor porous layer of a structure capable of improving conversion efficiency.[Means for Solution] The dye-sensitized semiconductor porous layer formed on the surface of the electrode substrate comprises oxide semiconductor fine particles (A) having spherical shapes and oxide semiconductor fine particles (B) having irregular shapes and particle diameters smaller than those of the spherical oxide semiconductor fine particles, has a voidage of not less than 60%, and in which a maximum peak of pore volume in the semiconductor porous layer as measured by a BET method is present in a region of pore diameters of not smaller than 30 nm.
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