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Published on: March 9, 2017
Phosphorescent Isocyanide-Metal-Carboranyl Complexes of Copper(I) and Gold(I): Synthesis and Radioluminescence
Samuel L Powley1, Charlotte Riley1, Nguyen Le Phuoc2
1Department of Chemistry, The University of Manchester, Oxford Rd, Manchester, M13 9PL, United Kingdom.
Abstract:
A series of (L)MX (L=isocyanide; M=Cu(I) or Au(I); X=chloride or carboranyl) complexes have been prepared. The first examples of isocyanide Cu(I) chloride complexes with 1 : 1 stoichiometry between isocyanide and CuCl are reported and structurally characterised. The photophysical properties of (RNC)AuCl and (RNC)Au(η1-carboranyl) complexes have been investigated. Complexes (RNC)Au(η1-carboranyl) show no aurophilic Au-Au interactions and emit long-lived deep-blue phosphorescence up to 377 μs. The radioluminescence of these gold complexes was studied to show a superior radioluminescence stability for the gold(carboranyl) complexes compared to gold chloride materials under constant high energy X-ray radiation of 350 keV.
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