High-entropy doping engineering of Pt-based catalysts with high-index facets boosts electrooxidation of C1 and C2 molecules

Abstract

Rare-earth high-entropy doping Pt-based alloy concave nanocubes with high-index facets (HIFs) was designed to enhance the electrooxidation of C1 and C2 molecules. Benefiting from the HIFs and high-entropy doping characteristics, the as-synthesized rare-earth high-entropy doping PtCeNdSmDyGd (REHED-Pt) concave nanocubes exhibit remarkable electrocatalytic activity toward carbon monoxide, methanol, and ethanol oxidations.