Journal of Sol-Gel Science and Technology

, Volume 70, Issue 2, pp 254–262 | Cite as

Mesoporous and mesostructured TiO2 coatings for photocatalytic applications

Original Paper


The correlation between the textural properties and the photocatalytic activity of nanocrystalline Titanium dioxide (TiO2)-anatase films obtained by sol–gel has been investigated. Mesoporous and mesostructured TiO2-anatase films were prepared using different titanium precursors and Pluronic (F127) and polyethylene glycol hexadecyl ether P5884 (Brij58) surfactants via acid catalysis. Ca(NO3)2 and WCl6 were incorporated to TiO2 sols to investigate the effect of the doping on the photocatalytic behaviour. The microstructure and textural properties were characterised by X-ray diffraction, spectral ellipsometry and transmission electronic microscopy. The photocatalytic properties were evaluated in aqueous solution (methyl orange) and in gas phase (trichloroethylene, sulphide acid and methyl-ethyl-ketone) using multilayer films deposited on glass-slides. TiO2-B-Brij-58 films exhibited the most efficient photocatalytic activity either in aqueous or gas medium. The Ca doping strongly enhances the photocatalytic activity associated with the reduced recombination of electrons and holes in the catalyst.


TiO2-anatase Sol–gel coatings Photocatalysis TCE H2MEK Methyl orange 



The authors thank Dr. Valerie Héquet from École des Mines de Nantes (Nantes, France) and Dr. Benigno Sánchez from CIEMAT-PSA (Madrid, Spain) for their collaboration in the photocatalytic characterisation.


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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.Instituto de Cerámica y Vidrio (ICV-CSIC)MadridSpain

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