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Quantitative adsorbate structure determination under catalytic reaction conditions
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Kreikemeyer-Lorenzo, D., Unterberger, W. (Werner), Blume, R., Hävecker, M., Rocha, T. C. R., Knop-Gericke, A., Schlögl, R., Lerotholi, T. J., Duncan, David A. and Woodruff, D. P. (2013) Quantitative adsorbate structure determination under catalytic reaction conditions. Physical Review B (Condensed Matter and Materials Physics), Volume 87 (Number 12). 125420 . doi:10.1103/PhysRevB.87.125420 ISSN 1098-0121.
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Official URL: http://dx.doi.org/10.1103/PhysRevB.87.125420
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.
Item Type: | Journal Article | ||||||||
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Subjects: | T Technology > TJ Mechanical engineering and machinery | ||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||
Library of Congress Subject Headings (LCSH): | Photoelectron spectroscopy, Catalysis, Methanol -- Oxidation | ||||||||
Journal or Publication Title: | Physical Review B (Condensed Matter and Materials Physics) | ||||||||
Publisher: | American Physical Society | ||||||||
ISSN: | 1098-0121 | ||||||||
Official Date: | 19 March 2013 | ||||||||
Dates: |
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Volume: | Volume 87 | ||||||||
Number: | Number 12 | ||||||||
Article Number: | 125420 | ||||||||
DOI: | 10.1103/PhysRevB.87.125420 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Date of first compliant deposit: | 25 December 2015 | ||||||||
Date of first compliant Open Access: | 25 December 2015 |
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