PHOTOELECTRIC CONVERSION ELEMENT, PHOTOELECTROCHEMICAL BATTERY, DYE FOR PHOTOELECTRIC CONVERSION ELEMENT, AND DYE SOLUTION FOR PHOTOELECTRIC CONVERSION ELEMENT

• Main Authors: USU TATSUYA, KIMURA KEIZO, KOBAYASHI KATSUMI, SATO HIROTAKA
• Format: Patent
• Language: English
• Published: 02.08.2012
• Subjects: ADHESIVES; BASIC ELECTRIC ELEMENTS; CHEMISTRY; DYES; ELECTRICITY; LAKES; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; PAINTS; POLISHES; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

PROBLEM TO BE SOLVED: To provide a photoelectric conversion element and a photoelectrochemical battery, having high conversion efficiency and excellent in durability, and to provide a dye for photoelectric conversion elements and a dye solution for photoelectric conversion elements.SOLUTION: There is provided a photoelectric conversion element having a photosensitive material layer comprising a dye represented by general formula (1) and semiconductor microparticles, wherein the dye comprises a dye of a compound having a 5C-18C aliphatic group and represented by general formula (1), wherein, Q represents tetravalent aromatic; Xand Xrepresent each independently S, O or CRR, (Rand Rrepresent each independently H, aliphatic, aromatic or heterocycle bonding through C); R and R' represent each independently aliphatic, aromatic, or heterocycle bonding through C; Pand Prepresent each independently a dye residue; and Wrepresents a counter ion in the case of required for the neutralization of an electric charge.