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Physicochemical and functional properties of modified tin dioxide

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Abstract

Specimens of tin dioxide with modifying Sb and Pt additives are synthesized. Their physicochemical properties (specific surface area, porosity, and conductivity), chemisorption and catalytic activity in the model reaction of CO oxidation are studied. A considerable chemisorption of CO on SnO2 and SnO2-SbO x is observed at 150–180°C. The oxidation of CO in the flow of gases starts in the same temperature range. An addition of platinum leads to a significant increase in the rate of CO oxidation, the reaction starts at 80°C. It is proposed that the process proceeds at the SnO2/Pt interface.

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Authors and Affiliations

  1. Institute of Problems of Chemical Physics, Russian Academy of Sciences, pr. Akad. Semenova 1, Chernogolovka, Moscow oblast’, 142432, Russia

    L. E. Derlyukova, T. A. Anufrieva, A. A. Vinokurov & S. E. Nadkhina

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  1. L. E. Derlyukova
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  2. T. A. Anufrieva
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  3. A. A. Vinokurov
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  4. S. E. Nadkhina
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Correspondence to A. A. Vinokurov.

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Original Russian Text © L.E. Derlyukova, T.A. Anufrieva, A.A. Vinokurov, S.E. Nadkhina, 2013, published in Elektrokhimiya, 2013, Vol. 49, No. 8, pp. 847–851.

Based on the paper presented at the XI Meeting “Fundamental Problems of Solid State Ionics”, Chernogolovka (Russia), 2012.

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Derlyukova, L.E., Anufrieva, T.A., Vinokurov, A.A. et al. Physicochemical and functional properties of modified tin dioxide. Russ J Electrochem 49, 759–762 (2013). https://doi.org/10.1134/S1023193513080077

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  • DOI: https://doi.org/10.1134/S1023193513080077

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