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  Formation of surface oxides on Pt(100) during CO oxidation in the millibar pressure range

Dicke, J., Rotermund, H.-H., & Lauterbach, J. (2000). Formation of surface oxides on Pt(100) during CO oxidation in the millibar pressure range. Surface Science, 454-456, 352-357. doi:10.1016/S0039-6028(00)00189-8.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0009-3EF0-3 Version Permalink: https://hdl.handle.net/21.11116/0000-0009-3EF1-2
Genre: Journal Article

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 Creators:
Dicke, J.1, 2, Author           
Rotermund, Harm-Hinrich3, Author           
Lauterbach, Jochen2, Author
Affiliations:
1Fritz Haber Institute, Max Planck Society, ou_24021              
2School of Chemical Engineering, Purdue University, West Lafayette, IN 47907-1283, USA, ou_persistent22              
3Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              

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 Abstract: CO oxidation on Pt(100) at oxygen pressures of 9.0×10−2 mbar was studied. An unusual decrease in catalytic activity with time was observed, which has not been observed at lower pressures. Post-reaction Auger and thermal desorption spectroscopy measurements showed the formation of a surface oxide species, which deactivated the catalyst. The surface oxide is compared to subsurface oxygen and to surface oxide studied previously on low index Pt single crystal surfaces. An adsorbate induced surface reconstruction is proposed as a possible driving force for oxide formation.

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Language(s): eng - English
 Dates: 2000-05-312000-05-20
 Publication Status: Issued
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/S0039-6028(00)00189-8
 Degree: -

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Title: Surface Science
  Abbreviation : Surf. Sci.
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: 6 Volume / Issue: 454-456 Sequence Number: - Start / End Page: 352 - 357 Identifier: ISSN: 0039-6028
CoNE: https://pure.mpg.de/cone/journals/resource/0039-6028