Fig. 17: PLA assisted synthesis of CuZnO, ZnO, and Cu2O for electrochemical reduction of CO2.

a Schematic design for the production of CuZnO, ZnO, and Cu2O using PLA in water followed by electroreduction. b(a–c) Faradaic efficiency (FE) values of the electroreduction of CO2 into value-added products over various catalysts, b(b–d) Current density and FE of CO and ethylene over CuZn alloy at –1.1 V vs RHE for 15 h, and c CO2 reduction mechanism on the CuZn NP surface211. Copyright (2021) American Chemical Society