Open Access Article
This Open Access Article is licensed under a Creative Commons Attribution-Non Commercial 3.0 Unported LicenceBimetallic Bi-In Interfaces on Micropyramidal Silicon for Efficient Solar-Driven CO2-to-Formate Conversion
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Manel Machreki , Marielle Blot , Antoine Vacher , Stephanie Lamy and Bruno Fabre
First published on 22nd June 2026
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.