4.0 Article

Structure and Photocatalytic Properties of TiO2/MoO3 and TiO2/V2O5 Nanocomposites Obtained by Mechanochemical Activation

Journal

RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY B
Volume 12, Issue 2, Pages 330-335

Publisher

MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1990793118020173

Keywords

photocatalysis; titanium dioxide; molybdenum trioxide; vanadium oxide; mechanochemical activation; EPR; X-ray diffraction

Funding

  1. Russian Foundation for Basic Research [16-53-00136-Bel-a]
  2. Belarus Republic Fund for Basic Research [X16P-074]

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The TiO2/MoO3 and TiO2/V2O5 thin-film nanoheterogeneous photocatalysts obtained by mechanochemical activation of oxides were studied by using the test reactions of probing dye photooxidation, EPR spectroscopy, X-ray diffraction, and atomic force microscopy. It was shown that mechanochemical synthesis yields nanoheterostructures of the oxide-oxide type, in which optimum conditions were created for photogeneration of charge carriers and their accumulation and thus opens up an opportunity of obtaining photocatalytic systems with prolonged oxidative activity.

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