Codesign of an integrated metal–insulator–semiconductor photocathode for photoelectrochemical reduction of CO<sub>2</sub> to ethylene

Authors: Chanyeon Kim, Alex J. King, Shaul Aloni, Francesca M. Toma, Adam Z. Weber, Alexis T. Bell

Published: 2023-05-22

DOI: 10.1039/d2ee03525a

Source: Full article

Abstract

Photoelectrochemical CO2 reduction to ethylene is achieved by codesigning a Cu/TiO2/p-Si photoelectrode. Bilayer ionomer coatings and electrolyte-side illumination enable 4× more ethylene compared to no coatings and semiconductor-side illumination.