Preface for the 72nd Special Feature “Research Frontiers of Photoelectrochemical Energy Conversion and Photocatalysis”

Photoelectrochemical strategies offer promising pathways for both solar-to-electricity and solar-to-chemical conversion. Advances in functional materials and devices, including solar cells, photocatalysts, plasmonic materials, quantum dots, and electrocatalysts, have significantly broadened the scope of the field. The 72nd Special Feature of Electrochemistry, "Research Frontiers of Photoelectrochemical Energy Conversion and Photocatalysis," covers a wide range of state-of-the-art topics of photoelectrochemistry, highlighting recent progress and emerging trends in electrochemical solar energy conversion.