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Photocatalytic Properties of Composites Based on SrO–Bi2O3–Fe2O3 Obtained by Different Methods

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Abstract

In this work, the effect of the methods of synthesis on the phase composition and photocatalytic properties of composites formed in the section of (SrO)0.2(Bi2O3)0.8–BiFeO3 is studied on the examples of the decomposition reactions of methylene orange (MO). The studied compositions have the MO degradation degree ranging from 30 to 62% (C0 = 20 mg/L, catalyst loading of 30 mmol/L) under irradiation for 3 h with a fluorescent mercury lamp. The band gap estimated by the Kubelka–Munk function is lower than 2.6 eV for the studied compositions. This indicates the possibility of their application as photocatalysts of the visible range.

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Funding

FUNDING

This work was carried out as part of the state assignment of the Institute of Chemical Chemistry of the Russian Academy of Sciences under the Program for Fundamental Scientific Research of the State Academies of Sciences for 2019–2021 (topic no. 0097-2019-0012) and with the partial support of the Russian Foundation for Basic Research, grant no. 19-33-90226 (graduate students).

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The authors declare that they have no conflict of interest.

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Authors and Affiliations

  1. Grebenshchikov Institute of Silicate Chemistry, Russian Academy of Sciences, 199034, St. Petersburg, Russia

    D. S. Ershov, N. V. Besprozvannykh & O. Yu. Sinel’shchikova

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  1. D. S. Ershov
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  2. N. V. Besprozvannykh
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  3. O. Yu. Sinel’shchikova
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Correspondence to D. S. Ershov.

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Translated by N. Saetova

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Ershov, D.S., Besprozvannykh, N.V. & Sinel’shchikova, O.Y. Photocatalytic Properties of Composites Based on SrO–Bi2O3–Fe2O3 Obtained by Different Methods. Glass Phys Chem 46, 329–334 (2020). https://doi.org/10.1134/S1087659620040057

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  • DOI: https://doi.org/10.1134/S1087659620040057

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