Bimetallic Bi-In Interfaces on Micropyramidal Silicon for Efficient Solar-Driven CO2-to-Formate Conversion

Abstract

Micropyramidal silicon decorated with bismuth-indium catalysts enables selective CO₂ photoelectroreduction to formate. Bimetallic interface engineering enhances charge transfer, improving photocurrent and formate production relative to monometallic systems. This simple strategy advances efficient solar-driven CO₂ conversion.