Separation-free artificial photosynthesis of concentrated hydrogen peroxide and value-added fuels over Ta atomic sites.

ABSTRACT: Solar-driven artificial photosynthesis of hydrogen peroxide and high-value chemicals from oxygen and biomass is promising but is hindered by poor light absorption, sluggish kinetics of biomass dehydrogenation, and low oxygen reduction selectivity. Herein, we develop a resorcinol-formaldehyde resin/carbon-supported Ta-N₂O₂ single-atom catalyst (RF/C-TaSA) that enables broad-spectrum light harvesting (> 932 nm) and selective biomass conversion in a solid-organic-aqueous three-phase system. RF/C-TaSA achieves a high 3.0% quantum yield at 635 nm, with Ta-N₂O₂ sites stabilizing intermediates and reducing the energy barrier for biomass conversion. We further demonstrate that RF/C-TaSA enables efficient artificial photosynthesis of H₂O_2<

SUBMITTER: Tan H 

PROVIDER: S-EPMC12491456 | biostudies-literature | 2025 Oct

REPOSITORIES: biostudies-literature