Tailoring assemblies of plasmonic silver/gold and zinc-gallium layered double hydroxides for photocatalytic conversion of carbon dioxide using UV-visible light

- Assemblies of layered double hydroxide with Ag or Au nanoparticles were prepared.
- Assemblies with Ag/Au via LDH reconstruction were compared to that via ion exchange.
- Surface plasmon resonance of Ag enhanced the CO2 photoreduction on LDH to CH3OH/CO.
- Au promoted the CO2 photoreduction on LDH but switched to CO selective.
- Au worked as electron trap due to greater work function and the SPR did not work.