Preparation of hollow Aux-Cu2O nanospheres by galvanic replacement to enhance the selective electrocatalytic CO2 reduction to ethanol

Lijie Zhang, Ying Zhang, Hongtao Wang, Jianbing Chen & Zhongqi Cao
Electrocatalytic CO2 reduction to fuel is one of the important ways to solve energy and environmental problems. In this work, the preparation of hollow Aux-Cu2O electrocatalyst and the performance of electrocatalytic CO2 reduction to ethanol were studied. Hollow Cu2O nanospheres were prepared by a soft template method, and Aux-Cu2O composites were prepared by galvanic replacement. The characterization results of XRD and XPS reveal that Cu+ is the main chemical state of Cu in the catalysts....
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