Universal synthesis of pure-phase IB-group Sn-based alloys with modulable electrocatalytic CO2 reduction products

Abstract

We present a universal preparation method for synthesizing a range of pure-phase IB-group Sn-based alloy catalysts (Cu₃Sn, Ag₄Sn, and AuSn) for electrochemical reduction of CO₂ to C₁ product. The selectivity can be widely adjusted by altering metal composition and potential, improving the understanding of the structure–activity relationship in various Sn-based alloys.