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Methanol adsorption and reaction has been studied on cerium oxide thin films that were vapor deposited on Ru(0001). The methanol behavior was examined as a function of temperature and Ce oxidation state. Methanol reacts at low temperatures with fully oxidized CeO 2 to produce water at 200K while formaldehyde and methanol desorb near 560K. This leads to the reduction of the ceria. On reduced...
Formaldehyde adsorption and reaction have been studied on cerium oxide thin films that were vapor deposited on Ru(0001). The formaldehyde behavior was examined as a function of temperature, exposure and Ce oxidation state. Formaldehyde chemisorbs on fully oxidized CeO 2 as dioxymethylene, CH 2 O 2 . The dioxymethylene decomposes and desorbs as formaldehyde between 200K and...
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