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US09564274B2 Metal complex dye, photoelectric conversion element, dye-sensitized solar cell, dye solution, and compound 有权
金属络合染料,光电转换元件,染料敏化太阳能电池,染料溶液和化合物

Metal complex dye, photoelectric conversion element, dye-sensitized solar cell, dye solution, and compound
Abstract:
A photoelectric conversion element, having: an electrically-conductive support; a photoconductor layer having a semiconductor fine-particle layer adsorbed a dye; a charge transfer layer containing an electrolyte; and a counter electrode; which are provided on one side of the support in this order, in which the dye has at least one terdentate ligand having at least one acidic group; at least one ligand coordinating to a metal atom M has an sp2 carbon atom; a cyclic group binds to the sp2 carbon atom; a specific substituent R is substituted at an atom of α- or β-position to the atom of the cyclic group directly binding to the sp2 carbon atom; and with the metal atom M, an atom G1 of the α- or β-position, and an atom G2 of the substituent R, an angle θ (∠MG1G2) is 150° or less.
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