Elemental‐Doped Catalysts for Photoelectrochemical CO₂ Conversion to Solar Fuels

CO2 Conversion In article number 2400022, Dowon Bae, Su-Il In, and co-workers reviewed the photoelectrochemical (PEC) CO2 conversion into solar fuels such as CO, COOH, CH3OH, etc. using elemental doping to photoelectrode materials. The introduction of impurities into electrode materials induces defect states, facilitating band gap tuning, broadening light absorption spectra, enhancing charge separation efficiency, and improving CO2 adsorption capabilities. Hence, elemental doped photoelectrodes collectively contribute to the enhancement of optoelectronic properties and lead to improved catalytic activity of CO2 reduction in a PEC cell.