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The effect of platinum on the SnO2 sorption properties

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Abstract

Chemisorption of SO2 and O2 at Pt-modified SnO2 is studied by using the vacuum static method, with simultaneous recording of electrical conductivity, over the 22 to 300°C temperature range. The SnO2 surface modification results in the increasing of SO2 adsorption and weakening of the gas-surface bonding. The chemisorption enhances the samples’ electrical conductivity. The surface pretreatment with oxygen leads to the decreasing of the successive SO2 chemisorption.

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Authors and Affiliations

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

    M. V. Vinokurova, A. A. Vinokurov & L. E. Derlyukova

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  1. M. V. Vinokurova
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  2. A. A. Vinokurov
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  3. L. E. Derlyukova
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Correspondence to M. V. Vinokurova.

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Original Russian Text © M.V. Vinokurova, A.A. Vinokurov, L.E. Derlyukova, 2009, published in Elektrokhimiya, 2009, Vol. 45, No. 4, pp. 468–472.

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Vinokurova, M.V., Vinokurov, A.A. & Derlyukova, L.E. The effect of platinum on the SnO2 sorption properties. Russ J Electrochem 45, 439–443 (2009). https://doi.org/10.1134/S1023193509040132

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  • DOI: https://doi.org/10.1134/S1023193509040132

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