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- W2892600511 endingPage "320" @default.
- W2892600511 startingPage "295" @default.
- W2892600511 abstract "Relationships between turnover frequency and the size of supported Pt clusters are discussed for oxidation of hydrocarbons, CO, and NO by molecular oxygen. Analysis of the experimental data indicates that TOF tends to increase for bigger platinum particles. This tendency is particularly pronounced for the nanoparticles smaller than 4–5 nm. According to the most realistic models, the observed tendency stems from the deactivation of edge, corner, and neighboring atoms by two processes: (1) strong oxygen adsorption on edge and corner atoms with high degree of coordinative unsaturation, and (2) oxidation of Pt to PtOx, which is facilitated over undercoordinated sites. As the metal clusters grow in size, the fraction of undercoordinated edge and corner atoms decreases leading to the increase in experimentally observed TOF." @default.
- W2892600511 created "2018-10-05" @default.
- W2892600511 creator A5004444741 @default.
- W2892600511 creator A5060022719 @default.
- W2892600511 creator A5060459445 @default.
- W2892600511 creator A5061796260 @default.
- W2892600511 date "2019-01-01" @default.
- W2892600511 modified "2023-09-23" @default.
- W2892600511 title "Particle-Size Effect in Catalytic Oxidation Over Pt Nanoparticles" @default.
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