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Interaction of carbon monoxide and oxygen on the surface of titania/Au(111) inverse model catalyst held at 200K has been studied by reflection absorption infrared spectroscopy. It was found that CO adsorbs on the oxide/Au perimeter interface, whereas no or very weak adsorption was observed on Au(111) or titania surface, respectively. Exposing of such species to oxygen results in their decay possibly...
A well-defined CeO x /Pt(111) model catalytic system has been fabricated using the self-assembling of Ce adatoms on a Pt(111) surface with a subsequent oxidation of the nucleating Ce submonolayer (0.3ML). The resulting system of the “inverse supported catalyst” type consists of CeO x nanoformations (2D islands of 5–15nm size and ∼0.3nm in height) more or less uniformly distributed...
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