Organic dye, photoelectric conversion material, semiconductor electrode and photoelectric conversion device
AssigneeMitsubishi Paper Mills Limited
InventorsTamotsu Horiuchi, Hidetoshi Miura
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Abstract
Disclosed are an organic dye having a specific structure, a photoelectric conversion material containing the dye, a semiconductor electrode formed of a substrate having an electrically conductive surface, a semiconductor layer coated on the electrically conductive surface and the above dye adsorbed on the surface, and a photoelectric conversion device to which the above dye is applied. The present invention uses the above dye and can therefore provide a photoelectric conversion device excellent in photoelectric conversion efficiency, and the photoelectric conversion device is suitable for use in a solar cell or the like.
Claims13
A merocyanine dye having a structure represented by the general formula (II-3) or (II-4),
- wherein R5 is an alkyl group, an aralkyl group, an alkenyl group, an aryl group or a heterocyclic moiety and may have a substituent;
- each of R7 and R8 is a hydrogen atom, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an arylthio group or a heterocyclic moiety and may have a substituent;
- R9 is a substituent having an acidic group;
- X4 is propane-1,3-diyl, butane-1,4-diyl or pentane-1,5-diyl;
- each of R33 and R34 is a hydrogen atom, an alkyl group or an aryl group and may have a substituent;
- m is 0 or 1, and a carbon-carbon double bond may be any one of E form and Z form.
Dependencies are inferred from the claim text.