Metallic Ag⁰-induced electron transfer at Ag-CeO₂ Interface: The key to efficient CO oxidation

2026-07-28

PRE

Richuan Rao *

Hao Zhang

凌

凌强 (Qiang Ling) *

Xiongzi Dong

Song Fang

Mingyue Zheng

Tao Wang

Binghui Wang

Chunming Hu *

DOI：10.1016/j.mcat.2026.116246

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Abstract

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• Interfacial Ag° content of Ag-CeO2 catalysts was modulated by pyrolysis temperature. • Rich Ag0 catalysts had higher catalytic ability than those rich in Ce3+ and defects. • Temperature triggered electron transfer of Ag0 to carbonate-activated CeO2 interface. • Dynamic evolution of Ag-CeO2 interface determined catalytic capacity of its catalyst.

Keywords:

Ag-CeO2 catalysts

Interfacial active sites

Electron transfer

Carbonates

CO oxidation

Metallic Ag⁰-induced electron transfer at Ag-CeO₂ Interface: The key to efficient CO oxidation

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