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High energy resolution fluorescence detection x-ray absorption spectroscopy: detection of absorption sites in supported metal catalysts

High energy resolution fluorescence detection x-ray absorption spectroscopy: detection of absorption sites in supported metal catalysts
High energy resolution fluorescence detection x-ray absorption spectroscopy: detection of absorption sites in supported metal catalysts
High energy resolution fluorescence detection (HERFD) X-ray adsorption spectroscopy (XAS) is demonstrated as a new tool to identify the geometry of metal adsorption sites and the orbitals involved in bonding. The type of CO adsorption site on a nanoparticular Pt-Al2O3 catalyst is determined. The orbitals involved in the Pt - CO bonding are identified using theoretical FEFF8.0 calculations. In situ application of HERFD XAS is applicable to a large number of catalytic systems and will provide fundamental insights in structure - performance relationships.
high energy resolution, herfd xas, xanes, in situ, co adsorption
1551-7616
651-653
Tromp, Moniek
48c1ebbb-579c-42b6-83bb-7188c668b322
van Bokhoven, Jeroen A.
ec7aff15-a681-4ae8-9a76-52b23a149f6b
Safonova, Olga V.
c41a5c8b-209c-48e0-a9e8-070cddb6c351
de Groot, Frank M.F.
8c36ff7c-a65c-4abe-a52b-22a8c5aa819a
Evans, John
05890433-0155-49fe-a65d-38c90ea25c69
Glatzel, Pieter
e3df958e-8db5-48d0-8352-6dbac7a92a43
Tromp, Moniek
48c1ebbb-579c-42b6-83bb-7188c668b322
van Bokhoven, Jeroen A.
ec7aff15-a681-4ae8-9a76-52b23a149f6b
Safonova, Olga V.
c41a5c8b-209c-48e0-a9e8-070cddb6c351
de Groot, Frank M.F.
8c36ff7c-a65c-4abe-a52b-22a8c5aa819a
Evans, John
05890433-0155-49fe-a65d-38c90ea25c69
Glatzel, Pieter
e3df958e-8db5-48d0-8352-6dbac7a92a43

Tromp, Moniek, van Bokhoven, Jeroen A., Safonova, Olga V., de Groot, Frank M.F., Evans, John and Glatzel, Pieter (2007) High energy resolution fluorescence detection x-ray absorption spectroscopy: detection of absorption sites in supported metal catalysts. AIP Conference Proceedings, 882 (1), 651-653. (doi:10.1063/1.2644620).

Record type: Article

Abstract

High energy resolution fluorescence detection (HERFD) X-ray adsorption spectroscopy (XAS) is demonstrated as a new tool to identify the geometry of metal adsorption sites and the orbitals involved in bonding. The type of CO adsorption site on a nanoparticular Pt-Al2O3 catalyst is determined. The orbitals involved in the Pt - CO bonding are identified using theoretical FEFF8.0 calculations. In situ application of HERFD XAS is applicable to a large number of catalytic systems and will provide fundamental insights in structure - performance relationships.

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AIP 2007 882 651 - Version of Record
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Published date: 2 February 2007
Additional Information: X-Ray Absorption Fine Structure - XAFS13: 13th International Conference
Keywords: high energy resolution, herfd xas, xanes, in situ, co adsorption

Identifiers

Local EPrints ID: 47104
URI: http://eprints.soton.ac.uk/id/eprint/47104
ISSN: 1551-7616
PURE UUID: ad2825ac-2a30-4ed9-9926-77d726f0d21a

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Date deposited: 26 Jul 2007
Last modified: 06 Oct 2020 23:45

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Contributors

Author: Moniek Tromp
Author: Jeroen A. van Bokhoven
Author: Olga V. Safonova
Author: Frank M.F. de Groot
Author: John Evans
Author: Pieter Glatzel

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