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キーワード:
Nanoparticles; Molecular beam; Vibrational spectroscopy; Structure–spectroscopic relations
要旨:
Three case studies to demonstrate the ability to characterize oxidation model catalysts and reactions of these systems at the atomic level are reviewed. Firstly, results on small Au aggregates on a clean MgO(1 0 0) surface which are interesting model systems for low temperature oxidation are considered. Secondly, oxidative dehydrogenation of methanol on alumina-supported Pd is addressed. The problem of oxygen storage in and on the Pd particles is studied for nanoparticles on Fe3O4(1 1 1). Finally, morphology–spectroscopy relations for oxide-supported so-called monolayer vanadia catalysts are investigated.
