Synthesis and photocatalytic properties of materials based on bismuth silicates

Abstract

The influence of the preparation technique of bismuth silicate-based catalysts on their formation, phase composition, absorption characteristics, and photocatalytic properties is investigated. Samples the with initial ratio of Bi: Si = 2: 1 are prepared via the hydrothermal method with varied temperature conditions in the hydrothermal aging and calcination stages. The synthesized catalysts demonstrate photocatalytic activity in the decomposition of the methanol equilibrium vapor and visible light-induced decolorization of a methylene blue (MB) aqueous solution.

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Correspondence to A. A. Vodyankin.

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Original Russian Text © A.A. Vodyankin, I.P. Ushakov, Yu.A. Belik, O.V. Vodyankina, 2017, published in Kinetika i Kataliz, 2017, Vol. 58, No. 5, pp. 606–613.

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Vodyankin, A.A., Ushakov, I.P., Belik, Y.A. et al. Synthesis and photocatalytic properties of materials based on bismuth silicates. Kinet Catal 58, 593–600 (2017). https://doi.org/10.1134/S0023158417050238

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Keywords

  • bismuth silicates
  • hydrothermal synthesis
  • photocatalysis
  • methanol photodegradation
  • methylene blue decolorization