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<p>IR spectroscopic and photocatalytic studies of thin-film TiO<sub>2</sub>–V<sub>2</sub>O<sub>5</sub> heterooxide composites obtained by codeposition of TiO<sub>2</sub> and V<sub>2</sub>O<sub>5</sub> colloids, chemical deposition of a V<sub>2</sub>O<sub>5</sub> shell over TiO<sub>2</sub> particles, and thermal decomposition of ammonium vanadate in the presence of TiO<sub>2</sub> particles have shown that the disordered V<sub>2</sub>O<sub>5</sub> phase produced via a pyrolytic synthetic route formed close heterocontacts with titania particles that facilitated charge separation and simultaneously ensured effective accumulation of the photoinduced charges.</p>

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IR Spectroscopic Study of the Formation Mechanism of Photoaccumulating Titania-Based Heterooxide Composites

  • 期刊论文

  • 发表日期：

    2025年11月5日

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  • T. V. Sviridova,
  • L. Yu. Sadovskaya,
  • V. E. Agabekov,
  • D. V. Sviridov

摘要

IR spectroscopic and photocatalytic studies of thin-film TiO2–V2O5 heterooxide composites obtained by codeposition of TiO2 and V2O5 colloids, chemical deposition of a V2O5 shell over TiO2 particles, and thermal decomposition of ammonium vanadate in the presence of TiO2 particles have shown that the disordered V2O5 phase produced via a pyrolytic synthetic route formed close heterocontacts with titania particles that facilitated charge separation and simultaneously ensured effective accumulation of the photoinduced charges.