CO oxidation over CuOx/TiO2 catalyst: The importance of oxygen vacancies and Cu+ species

Wei Chen,Jue Xu,Fajun Huang,Chaoying Zhao,Yingqiao Guan,Yarong Fang,Jinpeng Hu,Weiwei Yang,Zhu Luo,Yanbing Guo

Applied Surface Science（2023）

引用 12|浏览3

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摘要

•The reduction treatment of CuOx/TiO2 by NaBH4 can generate oxygen vacancies.•Compared to Cu2+, Cu+ is more favorable to adsorb CO molecules.•The moderate amount of Ov can improve the activation rate of molecular oxygen.•The suitable ratio of Cu+/Ov can promote the CO conversion of CuOx/TiO2 catalyst.

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关键词

Oxygen vacancies,Cu plus,brookiteTiO2,CO oxidation

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