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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/44011
Record Status
Checked
Record Id
44011
Title
Effect of oxygen adsorption on the chiral Pt{531} surface
Contributors
G Held (Cambridge U.)
,
LB Jones (CCLRC Daresbury Lab. and Liverpool U.)
,
EA Seddon (CCLRC Daresbury Lab. and Liverpool U.)
,
DA King (Cambridge U.)
Abstract
The 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 × 10<sup>-7</sup> 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.
Organisation
CCLRC
,
SRS
Keywords
Chemistry
,
spectroscopy
,
platinum
,
chemisorbed
,
oxygen
,
chiral
,
xps
,
leed
Funding Information
Related Research Object(s):
Licence Information:
Language
English (EN)
Type
Details
URI(s)
Local file(s)
Year
Journal Article
J Phys Chem
, no. 109 (2005): 6159-6163.
doi:10.1021/jp0450484
2005
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