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

被引：138

作者：

Caballero, Alfonso ^{[1
,2
]}

Holgado, Juan P. ^{[1
,2
]}

Gonzalez-delaCruz, Victor M. ^{[1
,2
]}

Habas, Susan E. ^{[3
]}

Herranz, Tirma ^{[3
]}

Salmeron, Miquel ^{[3
]}

机构：

[1] Univ Seville, CSIC, Inst Ciencia Mat, Seville, Spain

[2] Univ Seville, Dept Quim Inorgan, Seville, Spain

[3] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA

来源：

CHEMICAL COMMUNICATIONS | 2010年 / 46卷 / 07期

关键词：

SUPPORT INTERACTIONS; ELECTRON-MICROSCOPY; CATALYTIC-ACTIVITY; RH/TIO2; CATALYSTS; PARTICLE-SIZE; MICROSTRUCTURE; PHOTOEMISSION; CERIA; XPS;

D O I：

10.1039/b920803h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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.

引用

收藏

页码：1097 / 1099

页数：3

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