Journal of Materials Science

, Volume 53, Issue 1, pp 435–446 | Cite as

A facile shape-controlled synthesis of highly photoactive fluorine containing TiO2 nanosheets with high {001} facet exposure

  • M. A. Lara
  • M. J. Sayagués
  • J. A. Navío
  • M. C. HidalgoEmail author
Chemical routes to materials


Surface-fluorinated TiO2 materials with high {001} facet exposure were prepared by a simple and high-yield preparation procedure. Faceted/fluorinated samples showed a high photocatalytic performance not only in oxidation processes, tested in phenol and methyl orange degradation, but also in a reduction process as Cr(VI) photoreduction. Reaction rates for these materials greatly exceeded the ones obtained for materials prepared without fluorine addition and for commercial TiO2 Degussa (Evonik) P25 used as reference photocatalyst. A broad characterisation of the samples allowed us to estimate the percentages of different facets and the amount and form in which the fluorine is found on the surfaces. Good photocatalytic behaviour can be ascribed to both high {001} facet exposure and adsorbed fluorine on the photocatalysts surfaces.



This work was supported by research fund from Project Ref. CTQ2015-64664-C2-2-P (MINECO/FEDER UE). CITIUS (University of Seville) is acknowledged for XRF and XPS measurements.


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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  1. 1.Instituto de Ciencia de Materiales de Sevilla (ICMS), Consejo Superior de Investigaciones Científicas CSICUniversidad de SevillaSevilleSpain
  2. 2.Departamento Cristalografía, Mineralogía y Química AgrícolaUniversidad de SevillaSevilleSpain

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