XPS study of carbon species at the surface of platinum single crystal planes

Authors
Kvon, RI Koscheev, SV Boronin, AI
Citation
Ri. Kvon et al., XPS study of carbon species at the surface of platinum single crystal planes, J MOL CAT A, 158(1), 2000, pp. 297-300
Citations number
9
Categorie Soggetti
Physical Chemistry/Chemical Physics
Journal title
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
ISSN journal
13811169 → ACNP
Volume
158
Issue
1
Year of publication
2000
Pages
297 - 300
Database
ISI
SICI code
1381-1169(20000908)158:1<297:XSOCSA>2.0.ZU;2-D
Abstract
Carbonaceous deposits obtained by ethylene decomposition on the surface of (111), (110) and (100) planes of Pt were studied by X-ray photoelectron spe ctroscopy (XPS) in the wide temperature range of 570-1470 K. Three differen t carbon states were found depending on the temperature and Pt plane chosen . At T < 770 g, adsorbed state of carbon is formed at all three planes stud ied. Higher adsorption temperature results in graphite formation at Pt(III) and diamond-like carbon at two other planes. (C) 2000 Elsevier Science B.V . All rights reserved.