Photo-/electrocatalytic approaches to CO2 conversion on Cu2O-based catalysts
Zixuan Zhao, Hongtao Wang, Qi Yu, S. K. Roy, Xiaohu Yu
Abstract
Carbon dioxide (CO 2 ) reduction reaction (CO 2 RR) with renewable energy represents a promising way for effective utilization of the major anthropogenic greenhouse gas. Cuprous oxide (Cu 2 O)-based catalysts have attracted great attention in recent years due to abundant reserves, lower price, environmental friendliness , and higher activity of CO 2 RR. Moreover, Cu + site in Cu 2 O plays an important role in improving the C 2+ product selectivity. This paper reviews recent advances of photo- and electrocatalytic CO 2 RR on Cu 2 O-based catalysts in both experimental and computational studies. Firstly, the basic principle of photo- and electrocatalytic CO 2 RR on Cu 2 O-based catalysts is briefly reviewed. Secondly, various strategies have been adopted to improve CO 2 RR catalytic performance of Cu 2 O-based catalysts, mainly including morphology control, heterojunction engineering, metal deposition , and defective engineering. Finally, potential strategies to further promote CO 2 RR have also been suggested: including single atom catalyst , double atom catalyst, single cluster catalyst, and frustrated Lewis pairs, etc. We hope that the present comprehensive overview paves the way for future development of CO 2 RR on Cu 2 O-based catalysts.