The Rational Design of a Single‐Component Photocatalyst for Gas‐Phase CO₂ Reduction Using Both UV and Visible Light

Abstract

<b>The solar-to-chemical energy conversion of greenhouse gas CO₂ into carbon-based fuels</b> is a very important research challenge, with implications for both climate change and energy security. Herein, the key attributes of hydroxides and oxygen vacancies are experimentally identified in non-stoichiometric indium oxide nanoparticles, In₂O_3-x(OH)_y, that function in concert to reduce CO₂ to CO under simulated solar irradiation.