Strategies to understand and enhance selectivity and stability in CO2 (photo)electroreduction

Abstract

The (photo)electrochemical conversion of CO₂ into added-value chemicals and fuels is a promising route to address energy and climate challenges. However, despite significant progress in the field, achieving high selectivity and stability remains a major hurdle. Here, we present our recent strategies to addressing selectivity and stability in CO2 (photo)electroreduction. We will show our recent results on how we addressed selectivity challenges by improving stability of unstable light absorbing materials and by optimizing CO2 selectivity of already stable photocathodes. In addition, we will focus on metal electrodes, as well as metal and covalent organic frameworks to further tune selectivity in integrated photoelectrodes, thus offering promising pathways toward efficient and sustainable CO₂ conversion systems.