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原位光谱检测 Ni/CeO2 体系中 SMSI 效应：氢诱导金属镍的埋藏和挖出。

In situ spectroscopic detection of SMSI effect in a Ni/CeO2 system: hydrogen-induced burial and dig out of metallic nickel.

机构信息

Instituto de Ciencia de Materiales and Departamento Quimica Inorganica (CSIC-Universidad de Sevilla), Sevilla, Spain.

出版信息

Chem Commun (Camb). 2010 Feb 21;46(7):1097-9. doi: 10.1039/b920803h. Epub 2009 Dec 23.

DOI:10.1039/b920803h
PMID:20126725
Abstract

In situ APPES technique demonstrates that the strong metal support interaction effect (SMSI) in the Ni-ceria system is associated with the decoration and burial of metallic particles by the partially reduced support, a phenomenon reversible by evacuation at high temperature of the previously absorbed hydrogen.

摘要

原位 APPES 技术表明，Ni-氧化铈体系中的强金属支撑相互作用效应（SMSI）与部分还原支撑物对金属颗粒的修饰和掩埋有关，这种现象可以通过先前吸附的氢在高温下抽空来可逆。

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