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  Quantitative adsorbate structure determination under catalytic reaction conditions

Kreikemeyer-Lorenzo, D., Unterberger, W., Blume, R., Hävecker, M., Rocha, T., Knop-Gericke, A., et al. (2013). Quantitative adsorbate structure determination under catalytic reaction conditions. Physical Review B, 87(12): 125420. doi:10.1103/PhysRevB.87.125420.

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 Creators:
Kreikemeyer-Lorenzo, Dagmar1, Author              
Unterberger, Werner1, Author              
Blume, Raoul2, Author              
Hävecker, Michael2, Author              
Rocha, Tulio2, Author              
Knop-Gericke, Axel2, Author              
Schlögl, Robert2, Author              
Lerotholi, T. J.3, 4, Author
Duncan, D. A.3, Author
Woodruff, D. P.3, Author
Affiliations:
1Chemical Physics, Fritz Haber Institute, Max Planck Society, ou_24022              
2Inorganic Chemistry, Fritz Haber Institute, Max Planck Society, ou_24023              
3Physics Department, University of Warwick, Coventry CV4 7AL, United Kingdom, ou_persistent22              
4School of Chemistry, University of Witwatersrand, P.O. Wits, Johannesburg, 2050, South Africa., ou_persistent22              

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 Abstract: Current methods allow quantitative local structure determination of adsorbate geometries on surfaces in ultrahigh vacuum (UHV) but are incompatible with the higher pressures required for a steady-state catalytic reactions. Here we show that photoelectron diffraction can be used to determine the structure of the methoxy and formate reaction intermediates during the steady-state oxidation of methanol over Cu(110) by taking advantage of recent instrumental developments to allow near-ambient pressure x-ray photoelectron spectroscopy. The local methoxy site differs from that under static UHV conditions, attributed to the increased surface mobility and dynamic nature of the surface under reaction conditions.

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Language(s): eng - English
 Dates: 2013-02-132012-11-1620132013-03-192013-03-19
 Publication Status: Published in print
 Pages: 4
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevB.87.125420
 Degree: -

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Title: Physical Review B
Source Genre: Journal
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Publ. Info: Woodbury, NY : Published by the American Physical Society through the American Institute of Physics
Pages: - Volume / Issue: 87 (12) Sequence Number: 125420 Start / End Page: - Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008