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  • 1995-1999  (3)
  • surface state  (2)
  • Oxygen  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Kinetics of carbon deposition from ethylene on Pt(110) surface (1997)
    Springer
    Reaction kinetics and catalysis letters 62 (1997), S. 299-304 
    Details
    ISSN: 1588-2837
    Schlagwort(e): carbon ; kinetics ; surface state
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Abstract The formation of carbonaceous deposits on Pt(110) surface due to ethylene decomposition in the temperature range of 770–970 K has been studied. Both kinetic and XPS data show that chemisorbed carbon (with no C−C bonds, but only C−Pt bonds) forms at T=770–870 K, the saturation coverage θs being about 1 ML. At higher temperatures, θs increases by a factor of 1.5, indicating the formation of more densely packed carbon species (DPC) due to C−C bonding. A kinetic model has been proposed to describe the process of carbon conversion.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02475467
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Modeling of oxygen adsorption on silver (1999)
    Springer
    Reaction kinetics and catalysis letters 66 (1999), S. 265-272 
    Details
    ISSN: 1588-2837
    Schlagwort(e): Oxygen ; surface ; silver ; kinetics ; modeling
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Abstract Different adsorption forms of oxygen on silver are discussed. Four main types of oxygen forming at different temperatures and oxygen pressures have been distinguished. A kinetic model describing the formation and transformations of the oxygen forms and taking into account the surface amorphization has been proposed. Numerical modeling of stationary concentrations using this model gives evidence for a temperature window ΔT=500–800 K, where a quasimolecular oxygen state (E=530.5 eV, Tdes=800–900 K) can exist at high oxygen pressures.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02475800
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Carbon states and kinetics of carbon deposition from ethylene at Pt(110) surface (1998)
    Springer
    Reaction kinetics and catalysis letters 65 (1998), S. 381-388 
    Details
    ISSN: 1588-2837
    Schlagwort(e): Carbon ; kinetics ; surface state ; XPS ; photoelectron spectroscopy
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Abstract The nature of high temperature carbon states at Pt(110) has been studied by X-Ray Photoelectron Spectroscopy. The formation of diamond-like carbon (DLC) is reported for the first time. The kinetics and temperature-programmed reactions of DLC were numerically simulated.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02475279
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