10.1007/s40089-015-0174-3

Hydrothermal synthesis of anatase nanoleaves and size dependence of anatase–rutile transformation upon heating

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  • T. V. Lisnycha1,
  • S. A. Kirillov*2,
  • A. V. Potapenko3,
  • T. E. Terikovska1,
  • V. V. Kosilov3,
  • O. A. Vyshnevskiy4,
  1. Institute for Sorption and Problems of Endoecology, Kiev, 03164, UA
  2. Institute for Sorption and Problems of Endoecology, Kiev, 03164, UA Joint Department of Electrochemical Energy Systems, Kiev, 03142, UA
  3. Joint Department of Electrochemical Energy Systems, Kiev, 03142, UA
  4. Institute of Geochemistry, Mineralogy and Ore Formation, Kiev, 03142, UA
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Published in Issue 2016-01-22

How to Cite

Lisnycha, T. V., Kirillov, S. A., Potapenko, A. V., Terikovska, T. E., Kosilov, V. V., & Vyshnevskiy, O. A. (2016). Hydrothermal synthesis of anatase nanoleaves and size dependence of anatase–rutile transformation upon heating. International Nano Letters, 6(2 (June 2016). https://doi.org/10.1007/s40089-015-0174-3
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Abstract

Abstract Amorphous TiO 2 obtained by adding TiCl 4 to an alkaline medium crystallizes slowly and upon 3 years ageing transforms to nanosized anatase containing an admixture of brookite. The hydrothermal treatment of this sample in solutions of lithium hydroxide leads to anatase nanoleaves, and the more concentrated LiOH solution, the greater the nanoleaves and the smaller their specific surface area. The thermal treatment of nanoleaves leads to the bulk rutile, and the greater the specific surface area of anatase nanoleaves, the lower the anatase–rutile transition temperature. This is in line with conclusions based on the thermodynamic stability of nanosized anatase over the bulk rutile.

Keywords

  • Titanium oxide,
  • Hydrothermal treatment,
  • Anatase,
  • Rutile,
  • Phase transformation,
  • Size dependence
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