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).
本发明的主要目的是提供一种可用作
染料敏化太阳能电池敏化
染料的化合物,该化合物可实现出色的耐久性和光电转换效率。
1.因此,本发明提供了一种如下通式(1)所示的化合物:
(其中,在式 (1) 中,Y 是羟基或
氨基;E1 是 N 或 CH;L 是氢原子或光敏基团;R 是具有以下通式 (D) 所示基本单元 D 之一的基团,或具有支链结构的基团,其中一个结构单元通过肽链反复键合,该结构单元为以下通式 (G) 所示基本单元 D 的 1-100 个和基本单元 G 的 1-100 个。光敏基团与不构成该基团肽键的氮原子中 50% 或更多的氮原子键合,氢原子与其余氮原子键合)。