| abstract |
(57) [Problem] To provide a photoelectrochemical cell excellent in photoelectric conversion efficiency and durability. SOLUTION: In a photoelectrochemical cell having a radiation-sensitive semiconductor, a charge transfer layer, and a counter electrode, a nitrogen-containing 5-membered aromatic member having a specific structure having a specific substituent at the α-position carbon of nitrogen in the ring or It contains a 6-membered ring compound (molecular weight 1000 or less). |