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Reaction Kinetics and Catalysis Letters

, Volume 17, Issue 3–4, pp 305–309 | Cite as

Oxygen chemisorption and the initial step of platinum oxidation

  • V. L. tataurov
  • V. I. Savchenko
  • A. N. Salanov
Article

Abstract

LEED studies of the order-disorder transition in a (2×2)O layer on Pt(111) and stepped Pt(s) surface have been performed. Oxygen reactivity to CO is shown to decrease in the series: Ochem in (2×2)O on Pt(111) and Pt(s) terraces > Ochem in 2(ID)O on steps > oxygen in surface oxides.

Keywords

Oxidation Oxygen Physical Chemistry Platinum Catalysis 

Abstract

Методом ДМЭ изучен переход порядок-безпорядок в слое (2×2)O на Pt(111) и ступенчатой поверхности Pt(s). Реакционная способность кислорода по отношению к CO уменьшается в следующем ряду: Oхем в (2×2)O на Pt(111) и террасах Pt(s)>Oхем на ступеньках в 2(ID)O > кислород в поверхностных окислах.

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Copyright information

© Akadémiai Kiadó 1981

Authors and Affiliations

  • V. L. tataurov
    • 1
  • V. I. Savchenko
    • 1
  • A. N. Salanov
    • 1
  1. 1.Institute of CatalysisNovosibirskUSSR

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