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|Title:||Electrooxidation of 2-propanol on the mixture of nanoparticles of Pt and RuO2 supported on Ti|
|Abstract:||© 2021 De Gruyter. All rights reserved. A thermal process was employed to prepare a catalyst consisting of a mixture of metallic-Pt and rutile RuO2 nanocrystals. This catalyst was used for the electrooxidation of 2-propanol in an alkaline solution. The effect of the catalyst composition on its microstructure, surface properties and catalytic activity was examined.With increasing the RuO2 content, the catalytic activity increases, reaches its maximum and then decreases. The catalytic effect is a result of the bifunctional mechanism of the mixture of Pt and RuO2 nanocrystals. The RuOHad particles are formed on Ru atoms of the RuO2 nanocrystals at potentials more negative than on Pt atoms. These oxy-species facilitate the dehydrogenation, breaking of C-Cbondsand oxidation of both 2-propanol and its intermediates, adsorbed on assemblies of adjacent Pt atoms.|
|Appears in Collections:||Faculty of Agronomy, Čačak|
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