Nanoconfined tandem three-phase photocatalysis for highly selective CO₂ reduction to ethanol.

ABSTRACT: The conversion of CO₂ and H₂O into ethanol with high selectivity via photocatalysis is greatly desired for effective CO₂ resource utilization. However, the sluggish and challenging C-C coupling hinders this goal, with the behavior of *CO holding the key. Here, a nanoconfined and tandem three-phase reaction system is established to simultaneously enhance the *CO concentration and interaction time, achieving an outstanding ethanol selectively of 94.15%. This system utilizes a tandem catalyst comprising an Ag core and a hydrophobic Cu₂O shell. The hydrophobic Cu₂O shell acts as a CO₂ reservoir, effectively overcoming the CO₂ mass-transfer limitation, while the Ag core facilitates the conversion of CO₂

SUBMITTER: Huo H 

PROVIDER: S-EPMC11376270 | biostudies-literature | 2024 Aug

REPOSITORIES: biostudies-literature