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Study of physical and chemical properties of tin dioxide-based systems
 Leiko, Oleksandr ; Mašek, Karel (advisor) ; Korotcenkov, Ghenadii (referee) ; Pihosh, Yuriy (referee)
Title: Study of physical and chemical properties of tin dioxide-based systems Author: Oleksandr Leiko Department: Department of Surface and Plasma Science Supervisor: doc. RNDr. Karel Mašek, Dr. Abstract: In the presented work, we studied the tin dioxide-based systems and their interaction with methanol and the influence of palladium doping on such interaction. Epitaxial tin dioxide model systems were prepared on the copper and rutile single-crystal surface by evaporation in the reactive atomic oxygen flux or in the elevated pressures of molecular oxygen. More complex polycrystalline tin dioxide layers were prepared by magnetron sputtering. Studies of the methanol decomposition on pure and palladium loaded tin dioxide systems were performed by the photoelectron spectroscopy technique under near-ambient pressure or in ultra-high vacuum conditions using synchrotron radiation. The studies revealed that methanol decomposes through C-H and C-O scission reactions. The C-O scission reaction intensity can be enhanced via palladium loading. Keywords: model systems, tin dioxide, photoelectron spectroscopy, methanol, palladium.
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