PHOTOELECTRIC CONVERSION ELEMENT, DYE FOR THE SAME, AND COMPOUND

• Main Authors: YANO TORU, TANABE YORIJI, ISHIDA TATSUYA, AKIMOTO KENSAKU, SHINKAI MASAHIRO, AOYAMA YOHEI, KADOTA ATSUSHI
• Format: Patent
• Language: English
• Published: 19.04.2012
• Subjects: ADHESIVES; BASIC ELECTRIC ELEMENTS; CHEMISTRY; DYES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; HETEROCYCLIC COMPOUNDS; LAKES; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; ORGANIC CHEMISTRY; 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; SEMICONDUCTOR DEVICES

PROBLEM TO BE SOLVED: To provide a photoelectric conversion element and the like, enhanced in photoelectric conversion characteristics and durability.SOLUTION: The photoelectric conversion element equipped with a working electrode having a dye-carrying metal oxide electrode uses a dye having a structure represented by formula (I), wherein: A is a structure in which the maximum absorption wavelength λin an ethanol solution is 350 to 500 nm; B is a cyanine skeleton in which the maximum absorption wavelength λin an ethanol solution is 500 to 700 nm; Zis one divalent coupling group selected from -CONR-, -NRCO-, SONR- and -NRSO-, and R in Zis a hydrogen atom, a 1-8C alkyl group and a 7-20C arylalkyl group; Yand Yare each independently a 1-8C alkylene group or a single bond; and r is 1 or 2, m and n are each independently an integer of 0 to 2, and (m+n) is ≥1.