Identification of CO adsorption sites in supported Pt catalysts using high-energy-resolution fluorescence detection X-ray spectroscopy

被引：150
|
作者：
Safonova, Olga V.
Tromp, Moniek [1 ]
van Bokhoven, Jeroen A.
de Groot, Frank M. F.
Evans, John
Glatzel, Pieter
机构：
[1] Univ Southampton, Sch Chem, Southampton SO17 1BJ, Hants, England
[2] European Synchrotron Radiat Facil, F-38043 Grenoble, France
[3] ETH, Inst Chem & Bioengn, CH-8093 Zurich, Switzerland
[4] Dept Inorgan Chem & Catalysis, NL-3584 CA Utrecht, Netherlands
[5] Diamond Light Source, Didcot OX11 0QX, Oxon, England
来源：
JOURNAL OF PHYSICAL CHEMISTRY B | 2006年 / 110卷 / 33期
关键词：
D O I：
10.1021/jp063416t
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
High-energy-resolution fluorescence detection (HERFD) X-ray spectroscopy is presented as a new tool for the identification of the bonding sites of reactants in supported metal catalysts. The type of adsorption site of CO on an alumina-supported platinum catalyst and the orbitals involved in the bonding are identified. Because X-ray absorption spectroscopy (XAS) is element-specific and can be used under high pressures and temperatures, in situ HERFD XAS can be applied to a swathe of catalytic systems, including alloys.
引用
收藏
页码：16162 / 16164
页数：3
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