Patent ID: 7973167

Claim:
A metal complex comprising the following composition: [(Pt II ) 2 (Au I ) 2 (M I ) 2 (L) 8 ] where M I denotes Ag I or Cu I , and L denotes a structure represented by the formula (I), where R 1 , R 2 and R 3 independently denote a hydrogen atom, a chlorine atom, a bromine atom, an iodine atom, a hydroxyl group, a phenyl group, a trifluoromethylphenyl group, a pentafluorophenyl group, a naphthyl group, a methyl group, an ethyl group, an i-propyl group, a t-butyl group, a trifluoromethyl group, a hydroxymethyl group or a hydroxyethyl group.