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We review our approach to model heterogeneous catalysts on the basis of four examples. It is shown that Pd nanoparticles in hydrogenation incorporate hydrogen which turns out to be crucial for the actual hydrogenation step. The second example correlates the structure of vanadia monolayer catalysts with its reactivity in methanol oxidation. Further examples refer to ultrathin oxide film catalysts where...
Oxidation catalysts are modeled by oxide single crystals, thin oxide films, as well as supported oxide nanoparticles. We characterize the surface of those materials using a variety of surface sensitive techniques including scanning tunneling microscopy and spectroscopy, photoelectron spectroscopy, infrared spectroscopy, and thermal desorption spectroscopy. We find temperature dependent structural...
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