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  • Miller, D. J., et al. (author)
  • Oxidation of Pt(111) under Near-Ambient Conditions
  • 2011
  • In: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 107:19, s. 195502-
  • Journal article (peer-reviewed)abstract
    • The oxidation of Pt(111) at near-ambient O(2) pressures has been followed in situ using x-ray photoelectron spectroscopy (XPS) and ex situ using x-ray absorption spectroscopy (XAS). Polarization-dependent XAS signatures at the O K edge reveal significant temperature-and pressure-dependent changes of the Pt-O interaction. Oxide growth commences via a PtO-like surface oxide that coexists with chemisorbed oxygen, while an ultrathin alpha-PtO(2) trilayer is identified as the precursor to bulk oxidation. These results have important implications for understanding the chemical state of Pt in catalysis.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Nilsson, Anders (1)
Miller, D. J. (1)
Pettersson, Lars G.M ... (1)
Ogasawara, H (1)
Bluhm, H (1)
Kaya, S. (1)
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Öberg, Henrik (1)
Anniyev, T. (1)
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Friebel, D. (1)
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University
Stockholm University (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
2011 (1)

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