Abstract
The reaction of methanol on TiO 2(110)-supported vanadium oxide was studied using temperature-programmed desorption (TPD). TPD results show that methanol is oxidized to formaldehyde on a TiO 2(110)-supported vanadium oxide monolayer at 660 K, whereas both clean TiO 2(110) and TiO 2(110)-supported vanadia multilayers are inactive for this reaction. This result is similar to the reactivity trends found for high-surface-area catalysts. This suggests that an oxide film supported on a single-crystal metal oxide surface may be an excellent model system for studying the structure–reactivity relationships of supported oxide catalysts.
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