Optimizing C─C Coupling on Cu/Cu/Ga Interfaces by Enhancing Active Hydrogen Absorption for Excellent CO-to-C Electrosynthesis.

The electrocatalytic reduction of CO (CORR) to high-value chemicals and fuels offers a promising route for a clean carbon cycle. However, it often suffers from low catalytic activity and poor selectivity. Heterostructure construction has been shown to be an effective strategy for producing multi-carbon products, but the synergistic mechanisms between multiple active sites resulting from the reconstruction process remain unclear.