Patent ID: 6639073
Filing Date: 2003-10-28
Classification: C07F,C09B,H01G,H01L,Y02E

Abstract:
A ruthenium complex represented by the following formula:RuL1L2X whereinL1 represents a 2,2â€²;6â€²,2â€³-terpyridine compound having at least one group selected from the group consisting of a carboxyl group, a salt of a carboxyl group, a sulfonic acid group, a salt of a sulfonic acid group, a phosphoric acid group and a salt of a phosphoric acid group, L2 represents a diketonate ligand represented by the following formula: wherein R1 and R2 are independently selected from alkyl, alkoxyalkyl, aminoalkyl, perfluoroalkyl and aryl, R3 represents a hydrogen atom, alkyl, alkoxyalkyl, aminoalkyl, perfluoroalkyl and aryl, and X represents a monodentate ligand selected from the group consisting of a halide, a cyano group, a thiocyano group and a thiolate.