As a sensitizer the useful ruthenium complex, the oxide semiconductor electrode and solar battery null formula (i)

摘要

PROBLEM TO BE SOLVED: To provide a material capable of utilizing light energy with higher efficiency.;SOLUTION: This ruthenium complex is represented by formula (I): RuLL'X [wherein, L is a 2,2'-6'-2"-terpyridine derivative containing any of carboxy group, sulfonate group and phosphate group which are at least one binding group; each binding group is a salt of an acid with an alkali metal, ammonium or the like; and L' is a diketonate represented by the formula (wherein, R₁, R₂ and R₃ are each independently an alkyl, an alkoxyalkyl, an aminoalkyl, a perfluoroalkyl, an aryl or hydrogen atom; and X is a monodentate ligand selected from a halide, cyano group, thiocyano group and thiolate)].;COPYRIGHT: (C)2003,JPO