Pd-Au

Binary Pd-M (M – d-metals) systems: Pd-Ni, Pd-Cu, Pd-Ag, Pd-Au are the type of bimetallic nanomaterials which in the last decade are the subject of interested due to their increased catalytic activity in the processes of anodic oxidation of low-molecular organic substances, in particular for the oxidation of ethanol, methanol, glycerin, formic acid, which is the subject of the application in sensors and, especially in the fuel cells. Perspective for the last in the aspect of catalysis of anode and cathode processes is a system of Pd-Au.

The electrochemical co-deposition of palladium and gold on the glassy carbon surface from solutions of their salts in dimethylsulfoxide (DMSO) is studied. It is shown that the precipitate in the form of discrete sphere-like particles of 30...140nm, which are uniformly distributed on the substrate, is formed  at concentrations of 0.004M PdCl2 + (0.002...0.004)M HAuCl4 + 0.05M Bu4NClO4, E = -0.3...-1.5V, at pulse electrolysis.