Construction of dual active sites on the CuAg plasmonic aerogel for simultaneously efficient photocatalytic CO2 reduction and H2 production.

Photocatalytic CO reduction and H production are a competitive reaction, and existing active sites cannot take into account the simultaneous gas-solid and liquid-solid reaction processes. Hence, a metallic aerogel (CuAg) with dual active sites was constructed via straightforward in-situ reduction process. CuAg aerosol has larger porosity and CO adsorption capacity, which enables HO and CO to fully contact it.