COMPOUND HAVING PHOTOSENSITIZATION ACTIVITY, PHOTOELECTRODE, AND PHOTOSENSITIZATION-TYPE SOLAR CELL

摘要

The main object of the invention is to provide a compound that can be used as a sensitizing dye of a dye-sensitized solar cell, which can realize outstanding endurance and photovoltaic conversion efficiency.;1. A compound shown by the following general formula (1) is therefore provided:; (wherein, in the formula (1), Y is a hydroxyl group or an amino group; E1 is N or CH; L is a hydrogen atom or a photosensitizing group; R is a group having one of the basic units D shown by the following general formula (D), or a group having a branched structure wherein a structural unit is repeatedly bonded via a peptide linkage, this structural unit being 1-100 of the basic units D and 1-100 of the basic units G shown by the following general formula (G). The photosensitizing group is bonded to 50% or more of the nitrogen atoms among the nitrogen atoms which do not constitute the peptide linkage of this group, hydrogen atoms being bonded to the remaining nitrogen atoms).