Highly efficient Cu/CeO2-hollow nanospheres catalyst for the reverse water-gas shift reaction: Investigation on the role of oxygen vacancies through in situ UV-Raman and DRIFTS

Yudong Zhang,Long Liang,Ziyang Chen,Jinjun Wen, Wen Zhong,Sibei Zou,Mingli Fu,Limin Chen,Daiqi Ye

Applied Surface Science（2020）

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摘要

•CeO2 with three different morphologies were used as supports to load copper.•Cu/CeO2-hollow nanospheres catalysts performed high catalytic activity in the RWGS reaction.•The surface oxygen vacancies directly participate in CO2 adsorption and activation.•Bidentate carbonate and bidentate formate are key intermediates for the RWGS reaction.

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关键词

Self-assembled 3D CeO2 hollow nanosphere,Surface oxygen vacancies,Copper,Reverse water-gas shift reaction

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