Previous reports show a number of nanostructured transition metal phosphides (e.g. Ni<sub>2</sub>P, MoP, FeP, WP and CoP) as effective Earth-abundant alternatives to Pt for the hydrogen evolution reaction (HER) via electrochemical and/or photochemical reduction of water. We now present a comprehensive study of these and other new phosphides for the electrocatalytic carbon dioxide reduction (CO2R). We examine the effect of surface chemical composition and electronic structure on the selectivity and activity of the catalysts towards CO2R, determine the HER behaviour under CO2R conditions, and investigate the trends in product distribution and faradaic efficiencies as a function of composition, potential and supporting electrolyte.

Survey of nanostructured transition metal phosphide catalysts for carbon dioxide reduction

250th National Meeting (2015)

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