Kinetics of interaction between nanocrystalline SnO2〈M〉 (M = In, Fe, Ru, Ce) and oxygen

Kinetics of interaction between nanocrystalline SnO2〈M〉 (M = In, Fe, Ru, Ce) and oxygen

The rate of interaction between nanocrystalline SnO 2 〈M〉 (M = In, Fe, Ru, Ce) and oxygen is studied using in situ electrical conductivity measurements. The process kinetics are analyzed in terms of the diffusion-reaction model. The results indicate that doping of tin dioxide with ruthenium, cerium,...

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Veröffentlicht in:Inorganic materials 2009-10, Vol.45 (10), p.1153-1157
Hauptverfasser: Maslova, O. A., Makeeva, E. A., Rumyantseva, M. N., Gaskov, A. M.
Format: Artikel
Sprache:eng
Schlagworte:
Chemistry
Chemistry and Materials Science
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Materials Science
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Zusammenfassung:The rate of interaction between nanocrystalline SnO 2 〈M〉 (M = In, Fe, Ru, Ce) and oxygen is studied using in situ electrical conductivity measurements. The process kinetics are analyzed in terms of the diffusion-reaction model. The results indicate that doping of tin dioxide with ruthenium, cerium, iron, and indium oxides reduces the rate constant of the reaction between SnO 2 and oxygen and raises the activation energy for this process.
ISSN:0020-1685
1608-3172
DOI:10.1134/S0020168509100136