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SnO2(Au0, CoII, III) nanocomposites: A synergistic effect of the modifiers in CO detection

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Abstract

Nanocrystalline SnO2 has been synthesized and its surface has been modified with Au0 and Co(II, III). The distribution of the modifiers over the nanocomposites has been studied by X-ray diffraction, inductively coupled plasma mass spectrometry, and transmission electron microscopy. The effect of the modifiers on the hydrogen reduction of nanocrystalline SnO2 has been assessed. The CO sensing properties of the synthesized materials (10 ppm CO in air) have been studied in situ by electrical conductance measurements. The addition of both Au0 and Co(II, III) allows the working temperature of the SnO2-based semiconductor sensor to be lowered to 215°C.

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Authors and Affiliations

  1. Moscow State University, Moscow, 119991, Russia

    S. A. Vladimirova, M. N. Rumyantseva, D. G. Filatova, V. F. Kozlovskii, A. S. Chizhov, A. V. Marchevskii & A. M. Gaskov

  2. Moscow State Technological University Stankin, Vadkovskii per. 1, Moscow, 127994, Russia

    N. O. Khmelevskii

  3. Electron Microscopy for Materials Research (EMAT), University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium

    A. V. Marchevskii

  4. School of Electronic Science and Technology, Dalian University of Technology, Dalian, Liaining, China

    Xiaogan Li

Authors
  1. S. A. Vladimirova
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  2. M. N. Rumyantseva
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  3. D. G. Filatova
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  4. V. F. Kozlovskii
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  5. A. S. Chizhov
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  6. N. O. Khmelevskii
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  7. A. V. Marchevskii
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  8. Xiaogan Li
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  9. A. M. Gaskov
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Corresponding author

Correspondence to S. A. Vladimirova.

Additional information

Original Russian Text © S.A. Vladimirova, M.N. Rumyantseva, D.G. Filatova, V.F. Kozlovskii, A.S. Chizhov, N.O. Khmelevskii, A.V. Marchevskii, Xiaogan Li, A.M. Gaskov, 2016, published in Neorganicheskie Materialy, 2016, Vol. 52, No. 2, pp. 124–130.

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Vladimirova, S.A., Rumyantseva, M.N., Filatova, D.G. et al. SnO2(Au0, CoII, III) nanocomposites: A synergistic effect of the modifiers in CO detection. Inorg Mater 52, 94–100 (2016). https://doi.org/10.1134/S0020168516020163

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  • DOI: https://doi.org/10.1134/S0020168516020163

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