Effect of oxygen adsorption on the chiral pt{531} surfaceHeld, G., Jones, L. B., Seddon, E. A. and King, D. A. (2005) Effect of oxygen adsorption on the chiral pt{531} surface. Journal of Physical Chemistry B, 109 (13). pp. 6159-6163. ISSN 1520-6106 Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1021/jp0450484 Abstract/SummaryThe adsorption of oxygen on the chiral Pt{531} surface was studied by high-resolution X-ray photoelectron spectroscopy (HRXPS) and low energy electron diffraction (LEED). After the surface is annealed in oxygen (3 x 10(-7) mbar), three O 1s peaks are observed in XPS. One peak, at 529.5 eV, is assigned to chemisorbed oxygen; it disappears after annealing in vacuo to temperatures above 900 K. The other two peaks at 530.8 and 532.3 eV are stable up to at least 1250 K. They are associated with oxide clusters on the surface. These clusters readily react with coadsorbed carbon monoxide at temperatures between 315 and 620 K.
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