COMPOUND HAVING HEPTAMETHINE STRUCTURE, SENSITIZING DYE AND PHOTOELECTRIC CONVERSION ELEMENT

Provided is a compound having a heptamethine structure represented by the following general formula (1) used as a sensitizing dye for a photoelectric conversion device, and a photoelectric conversion device using the compound as a sensitizing dye, which may solve the problems of the related art. In the general formula (1), R 1 and R 2 each represent a hydrogen atom, an alkyl group or an aryl group; R 3 to R 6 each represent an alkyl group having from 1 to 18 carbon atoms; X represents a halogen atom; Y represents a monovalent anion; Z represents an alkyl group, an alkoxy group or an aryl group when R 3 to R 6 each have from 1 to 5 carbon atoms, or a hydrogen atom, an alkyl group, an alkoxy group or an aryl group when R 3 to R 6 each have from 6 to 18 carbon atoms; and m and n each represent an integer of from 1 to 12.