An object of the present invention is to provide a novel porphyrin complex having excellent light collection characteristics and a dye-sensitized solar cell using the porphyrin complex as a sensitizing dye. The porphyrin complex of the present invention as a means for achieving the object is characterized by comprising a porphyrin derivative and a metal atom. The porphyrin derivative has a carboxyaryl group, which is optionally substituted on the aryl ring, attached to at least one of four meso positions of a porphyrin ring optionally substituted at the β-position and also has a diarylamino group, which is optionally substituted on one or both of the aryl rings, attached to at least either of a meso position adjacent thereto and a meso position opposite thereto.
本发明的一个目的是提供一种具有优异光收集特性的新型
卟啉络合物,以及一种以该
卟啉络合物作为感光
染料的
染料敏化太阳能电池。本发明的
卟啉络合物作为实现该目的的手段的特征在于包括一种
卟啉衍
生物和一种
金属原子。该
卟啉衍
生物具有一个羧基芳基团,该羧基芳基团可选择地取代在芳环上,连接到至少四个
卟啉环的四个meso位置中的一个,该
卟啉环可选择地在β位置取代,还具有一个二芳胺基团,该二芳胺基团可选择地取代在一个或两个芳环上,连接到其相邻的meso位置和相对的meso位置中的至少一个。