Abstract
Two new silver(I) complexes 2-diphenylphosphinopyridine (dppy), {Ag2(dppy)2[N(CN)2]}2[μ-N(CN)2]2 (1) and {Ag2(dppy)2[μ-C(CN)3]2}n (2) linked by dicyanamide (N(CN)2−) or tricyanomethanide (C(CN)3−) were synthesized and characterized by X-ray crystallography. Complex 1 forms a tetranuclear structure with two binucleate moieties [Ag2(dppy)2]+ linked by two dicyanamide ligands. Interestingly, when bridging ligand is changed to tricyanomethanide, complex 2 displays one-dimensional infinite chain structure. Both complexes exhibit strong blue emission with phosphorescent quantum yields of 13.4% for 1 and 39.2% for 2 in solid state.
Full Text
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