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Influence of the conditions of the sulfate method on the characteristics of nanosized anatase-type samples

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Abstract

The nanosized anatase modification of titanium dioxide was prepared from two forms of solvated titanyl sulfate (TiOSO4·2H2O and TiOSO4·xH2SO4·yH2O) at different initial concentrations of the reagent under different conditions of the hydrolysis and coagulation. The sample characteristics (the sizes of aggregates, microparticles, nanoparticles, and coherent scattering regions, the specific surface area, the nano- and ultrananopore volumes) were deter-mined by scanning electron microscopy, small-angle and wide-angle X-ray diffraction, and physical adsorption of nitrogen at −196 °C. The relationship between these characteristics and the conditions of the sample preparation was established. The optimal processing conditions were found for the synthesis of samples with a high practical yield of the anatase-type phase.

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Authors and Affiliations

  1. M. V. Lomonosov Moscow State Academy of Fine Chemical Technology, 86 prosp. Vernadskogo, 119571, Moscow, Russian Federation

    L. N. Obolenskaya, G. M. Kuz’micheva, E. V. Savinkina & A. V. Zhilkina

  2. L. Ya. Karpov Institute of Physical Chemistry, Build. 6, 3-1/12 pereulok Obuha, 105064, Moscow, Russian Federation

    N. V. Sadovskaya

  3. Association ASPECT, 86 prosp. Vernadskogo, 119571, Moscow, Russian Federation

    N. A. Prokudina

  4. Department of Chemistry, M. V. Lomonosov Moscow State University, 1 Leninskie Gory, 119991, Moscow, Russian Federation

    V. V. Chernyshev

Authors
  1. L. N. Obolenskaya
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  2. G. M. Kuz’micheva
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  3. E. V. Savinkina
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  4. N. V. Sadovskaya
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  5. A. V. Zhilkina
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  6. N. A. Prokudina
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  7. V. V. Chernyshev
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Corresponding author

Correspondence to E. V. Savinkina.

Additional information

Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 2032–2038, November, 2012.

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Obolenskaya, L.N., Kuz’micheva, G.M., Savinkina, E.V. et al. Influence of the conditions of the sulfate method on the characteristics of nanosized anatase-type samples. Russ Chem Bull 61, 2049–2055 (2012). https://doi.org/10.1007/s11172-012-0286-0

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  • DOI: https://doi.org/10.1007/s11172-012-0286-0

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