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Scientific ReportsVolume 8, Issue 1, 1 December 2018, Article number 9607

Nonstoichiometric titanium dioxide nanotubes with enhanced catalytical activity under visible light(Article)(Open Access)

  • Valeeva, A.A.,
  • Kozlova, E.A.,
  • Vokhmintsev, A.S.,
  • Kamalov, R.V.,
  • Dorosheva, I.B.,
  • Saraev, A.A.,
  • Weinstein, I.A.,
  • Rempel, A.A.
  • View Correspondence (jump link)
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  • aInstitute of Solid State Chemistry, Ural Branch of the RAS, Yekaterinburg, Russian Federation
  • bNANOTECH Centre, Ural Federal University, Yekaterinburg, Russian Federation
  • cBoreskov Institute of Catalysis, Siberian Branch of the RAS, Novosibirsk, Russian Federation

Abstract

The catalytic activity of nanotubular titanium dioxide films formed during the oxidation of acetone to carbon dioxide under the action of visible light with a wavelength of 450 nm was found to be approximately 2 times higher compared to standard titanium dioxide (Degussa P25). The nanotubular films were grown by the anodization of titanium foil using an original technique. Diffuse reflectance spectra of the films are attributed to enhanced activity in the visible spectrum by the nonstoichiometry of titanium dioxide near the interface between the nanotubular film and the titanium foil substrate. © 2018 The Author(s).

Funding details

Funding sponsor Funding number Acronym
Russian Foundation for Basic Research17-03-00702RFBR

  • 1

    This work was partially financially supported by the Russian Foundation for Basic Research (project No. 17-03-00702) and by Act 211 Government of the Russian Federation, contract No. 02.A03.21.0006. A.S.V. and I.A.W. thank Minobrnauki initiative research project № 16.5186.2017/8.9 for support.

  • ISSN: 20452322
  • Source Type: Journal
  • Original language: English
  • DOI: 10.1038/s41598-018-28045-1
  • PubMed ID: 29941945
  • Document Type: Article
  • Publisher: Nature Publishing Group

  Valeeva, A.A.; Institute of Solid State Chemistry, Ural Branch of the RAS, Yekaterinburg, Russian Federation;
© Copyright 2018 Elsevier B.V., All rights reserved.

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