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International Journal of Photoenergy
Volume 2009, Article ID 905987, 6 pages
http://dx.doi.org/10.1155/2009/905987
Research Article

Photocatalytic Activity in CN Related to the Surface Properties of Powders Prepared by Sol-Gel Method

1Dipartimento di Ingegneria Civile ed Ambientale, Università di Perugia, Via G. Duranti, 06125 Perugia, Italy
2Dipartimento di Chimica, Università di Perugia, Via Elce di Sotto, 06123 Perugia, Italy

Received 11 May 2009; Revised 9 July 2009; Accepted 6 August 2009

Academic Editor: Leonardo Palmisano

Copyright © 2009 Marta Bettoni et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. N. Serpone and E. Pelizzetti, Photocatalysis: Fundamentals and Applications, John Wiley & Sons, New York, NY, USA, 1989.
  2. A. Fujishima, X. Zhang, and D. A. Tryk, “TiO2 photocatalysis and related surface phenomena,” Surface Science Reports, vol. 63, no. 12, pp. 515–582, 2008. View at Publisher · View at Google Scholar · View at Scopus
  3. M. A. Fox and M. T. Dulay, “Heterogeneous photocatalysis,” Chemical Reviews, vol. 93, no. 1, pp. 341–357, 1993. View at Google Scholar · View at Scopus
  4. E. Baciocchi, C. Rol, G. V. Sebastiani, and L. Taglieri, “Structural effects in the TiO2-photocatalyzed oxidation of alkylaromatic compounds in acetonitrile in the presence of Ag2SO4,” Journal of Organic Chemistry, vol. 59, no. 18, pp. 5272–5276, 1994. View at Google Scholar · View at Scopus
  5. S. Vijaikumar, N. Somasundaram, and C. Srinivasan, “Photoinduced oxidation of benzhydrol and reduction of benzil on titanium dioxide,” Applied Catalysis A, vol. 223, no. 1-2, pp. 129–135, 2002. View at Publisher · View at Google Scholar · View at Scopus
  6. O. S. Mohamed, A. E.-A. M. Gaber, and A. A. Abdel-Wahab, “Photocatalytic oxidation of selected aryl alcohols in acetonitrile,” Journal of Photochemistry and Photobiology A, vol. 148, no. 1–3, pp. 205–210, 2002. View at Publisher · View at Google Scholar · View at Scopus
  7. M. Bettoni, T. Del Giacco, C. Rol, and G. V. Sebastiani, “True quantum yields and adsorption constants as tools for a mechanistic study of the TiO2-sensitized photooxidation of benzylic derivatives,” Journal of Photochemistry and Photobiology A, vol. 163, no. 3, pp. 481–487, 2004. View at Publisher · View at Google Scholar · View at Scopus
  8. M. Bettoni, T. Del Giacco, C. Rol, and G. V. Sebastiani, “Photo-oxidative dealkylation of α-alkylbenzyl methyl ethers induced by titanium dioxide in acetonitrile,” Journal of Physical Organic Chemistry, vol. 19, no. 1, pp. 18–24, 2006. View at Publisher · View at Google Scholar · View at Scopus
  9. E. Baciocchi, T. Del Giacco, M. I. Ferrero, C. Rol, and G. V. Sebastiani, “Oxidation of aromatic sulfides photosensitized by TiO2 in CH3CN in the presence of Ag2SO4. The role of TiO2 in the chemistry of sulfide radical cations,” Journal of Organic Chemistry, vol. 62, no. 12, pp. 4015–4017, 1997. View at Google Scholar · View at Scopus
  10. A. M. A. Abdel Wahab and A. E. M. Gaber, “TiO2-photocatalytic oxidation of selected heterocyclic sulphur compounds,” Journal of Photochemistry and Photobiology A, vol. 114, no. 3, pp. 213–218, 1998. View at Google Scholar
  11. H. Vosooghian and M. H. Habibi, “Photooxidation of some organic sulfides under UV light irradiation using titanium dioxide photocatalyst,” International Journal of Photoenergy, vol. 2007, Article ID 89759, 7 pages, 2007. View at Publisher · View at Google Scholar · View at Scopus
  12. M. Bettoni, T. Del Giacco, C. Rol, and G. V. Sebastiani, “Titanium dioxide photosensitised oxidation of α,β-dihydroxybenzyl derivatives in CH3CN,” Journal of Photochemistry and Photobiology A, vol. 190, no. 1, pp. 34–40, 2007. View at Google Scholar
  13. D. Robert and J. V. Weber, “Titanium dioxide synthesis by sol gel methods and evaluation of their photocatalytic activity,” Journal of Materials Science Letters, vol. 18, no. 2, pp. 97–98, 1999. View at Publisher · View at Google Scholar · View at Scopus
  14. M. Toyoda, Y. Nanbu, Y. Nakazawa, M. Hirano, and M. Inagaki, “Effect of crystallinity of anatase on photoactivity for methyleneblue decomposition in water,” Applied Catalysis B, vol. 49, no. 4, pp. 227–232, 2004. View at Publisher · View at Google Scholar · View at Scopus
  15. M. Inagaki, T. Imai, T. Yoshikawa, and B. Tryba, “Photocatalytic activity of anatase powders for oxidation of methylene blue in water and diluted NO gas,” Applied Catalysis B, vol. 51, no. 4, pp. 247–254, 2004. View at Publisher · View at Google Scholar · View at Scopus
  16. M. Inagaki, R. Nonaka, B. Tryba, and A. W. Morawski, “Dependence of photocatalytic activity of anatase powders on their crystallinity,” Chemosphere, vol. 64, no. 3, pp. 437–445, 2006. View at Publisher · View at Google Scholar · View at Scopus
  17. T. Del Giacco, M. Ranchella, C. Rol, and G. V. Sebastiani, “Photo-oxidation of some benzylic alcohols sensitized by colloidal TiO2 in CH3CN. A kinetic mechanistic study through quantum yield determinations,” Journal of Physical Organic Chemistry, vol. 13, no. 11, pp. 745–751, 2000. View at Google Scholar · View at Scopus
  18. M. Ranchella, C. Rol, and G. V. Sebastiani, “The photoelectrochemical oxidation of benzyl derivatives at Ti/TiO2 anodes. A mechanistic approach through current efficiency and density measurements,” Journal of Chemical Research, vol. 2002, no. 5, pp. 239–241, 2002. View at Google Scholar · View at Scopus
  19. S. J. Gregg and K. S. W. Sing, Adsorption, Surface Area and Porosity, Academic Press, London, UK, 1982.
  20. P. Gorska, A. Zaleska, E. Kowalska et al., “TiO2 photoactivity in vis and UV light: the influence of calcination temperature and surface properties,” Applied Catalysis B, vol. 84, no. 3-4, pp. 440–447, 2008. View at Publisher · View at Google Scholar · View at Scopus
  21. U. I. Gaya and A. H. Abdullah, “Heterogeneous photocatalytic degradation of organic contaminants over titanium dioxide: a review of fundamentals, progress and problems,” Journal of Photochemistry and Photobiology C, vol. 9, no. 1, pp. 1–12, 2008. View at Publisher · View at Google Scholar · View at Scopus
  22. T. Del Giacco, C. Rol, and G. V. Sebastiani, “Involvement of adsorption effects in the TiO2-sensitized photooxidation rate of benzylic derivatives in CH3CN,” Journal of Physical Organic Chemistry, vol. 16, no. 2, pp. 127–132, 2003. View at Google Scholar · View at Scopus
  23. M. Bettoni, T. Del Giacco, C. Rol, and G. V. Sebastiani, “Dark adsorption equilibrium constants of benzylic derivatives on TiO2 and their implications in the sensitised heterogeneous photooxidation,” Journal of Chemical Research, vol. 2003, no. 7, pp. 415–417, 2003. View at Google Scholar · View at Scopus