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Dissociative chemisorption of H 2 on Pt(111): isotope effect and effects of the rotational distribution and energy dispersion
Leiden Institute of Chemistry, Gorlaeus Laboratories, Leiden University.
2004 (English)In: Surface Science, ISSN 0039-6028, E-ISSN 1879-2758, Vol. 573, no 3, 433-445 p.Article in journal (Refereed) Published
Abstract [en]

Six-dimensional quantum dynamics calculations on dissociative scattering of H2 and D2 from Pt(111) are performed.The six-dimensional potential energy surface used was generated using density functional theory employingthe generalized gradient approximation. The isotope effect, the effect of widening the rotational distribution on the dissociationprobability and the effect of the energy dispersion are investigated, as they are possible reasons for a discrepancybetween previous theoretical work and molecular beam experiments. It was found that these effects cannot explainthe differences between the theoretical and experimental results.

Place, publisher, year, edition, pages
2004. Vol. 573, no 3, 433-445 p.
Keyword [en]
Hydrogen molecule; Platinum; Chemisorption; Deuterium; Ab initio quantum chemical methods and calculations; Density functional calculations; Energy dissipation
National Category
Computer and Information Science
URN: urn:nbn:se:kth:diva-75329DOI: 10.1016/j.susc.2004.10.010ISI: 000225762500010OAI: diva2:490472
QC 20120301Available from: 2012-02-05 Created: 2012-02-05 Last updated: 2012-03-01Bibliographically approved

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Vincent, Jonathan
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