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Journal of Nanomaterials
Volume 2012, Article ID 718214, 10 pages
http://dx.doi.org/10.1155/2012/718214
Research Article

Dispersion and Stabilization of Photocatalytic TiO2 Nanoparticles in Aqueous Suspension for Coatings Applications

1Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
2Department of Process and Food Engineering, Faculty of Engineering, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
3Advanced Materials and Nanotechnology Laboratory, Institute of Advanced Technology, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia

Received 21 March 2012; Accepted 8 May 2012

Academic Editor: Wenhong Fan

Copyright © 2012 Siti Hajar Othman 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. J. O. Carneiro, V. Teixeira, A. Portinha et al., “Iron-doped photocatalytic TiO2 sputtered coatings on plastics for self-cleaning applications,” Materials Science and Engineering B, vol. 138, no. 2, pp. 144–150, 2007. View at Publisher · View at Google Scholar · View at Scopus
  2. H. Lachheb, E. Puzenat, A. Houas et al., “Photocatalytic degradation of various types of dyes (Alizarin S, Crocein Orange G, Methyl Red, Congo Red, Methylene Blue) in water by UV-irradiated titania,” Applied Catalysis B, vol. 39, no. 1, pp. 75–90, 2002. View at Publisher · View at Google Scholar · View at Scopus
  3. H. Zhang, H. Liu, C. Mu, C. Qiu, and D. Wu, “Antibacterial properties of nanometer Fe3+-TiO2 thin films,” in Proceedings of the 1st IEEE International Conference on Nano Micro Engineered and Molecular Systems, pp. 955–958, January 2006. View at Publisher · View at Google Scholar · View at Scopus
  4. H. Yu, K. Zhang, and C. Rossi, “Experimental study of the photocatalytic degradation of formaldehyde in indoor air using a nano-particulate titanium dioxide photocatalyst,” Indoor and Built Environment, vol. 16, no. 6, pp. 529–537, 2007. View at Publisher · View at Google Scholar · View at Scopus
  5. R. Greenwood and K. Kendall, “Selection of suitable dispersants for aqueous suspensions of zirconia and titania powders using acoustophoresis,” Journal of the European Ceramic Society, vol. 19, no. 4, pp. 479–488, 1999. View at Google Scholar · View at Scopus
  6. J. Cesarano 3rd and I. A. Aksay, “Processing of highly concentrated aqueous α-alumina suspensions stabilized with polyelectrolytes,” Journal of the American Ceramic Society, vol. 71, no. 12, pp. 1062–1067, 1988. View at Google Scholar · View at Scopus
  7. K. Sato, J. G. Li, H. Kamiya, and T. Ishigaki, “Ultrasonic dispersion of TiO2 nanoparticles in aqueous suspension,” Journal of the American Ceramic Society, vol. 91, no. 8, pp. 2481–2487, 2008. View at Publisher · View at Google Scholar · View at Scopus
  8. K. Higashitani, K. Yoshida, N. Tanise, and H. Murata, “Dispersion of coagulated colloids by ultrasonication,” Colloids and Surfaces A, vol. 81, pp. 167–175, 1993. View at Google Scholar · View at Scopus
  9. N. G. Özcan-Taşkin, G. Padron, and A. Voelkel, “Effect of particle type on the mechanisms of break up of nanoscale particle clusters,” Chemical Engineering Research and Design, vol. 87, no. 4, pp. 468–473, 2009. View at Publisher · View at Google Scholar · View at Scopus
  10. H. Sun, C. Wang, S. Pang et al., “Photocatalytic TiO2 films prepared by chemical vapor deposition at atmosphere pressure,” Journal of Non-Crystalline Solids, vol. 354, no. 12-13, pp. 1440–1443, 2008. View at Publisher · View at Google Scholar · View at Scopus
  11. W. Owpradit and B. Jongsomjit, “A comparative study on synthesis of LLDPE/TiO2 nanocomposites using different TiO2 by in situ polymerization with zirconocene/dMMAO catalyst,” Materials Chemistry and Physics, vol. 112, no. 3, pp. 954–961, 2008. View at Publisher · View at Google Scholar · View at Scopus
  12. Q. Ran, S. Wu, and J. Shen, “Effects of poly(acrylic acid) on rheological and dispersion properties of aqueous TiO2 suspensions,” Polymer—Plastics Technology and Engineering, vol. 46, no. 11, pp. 1117–1120, 2007. View at Publisher · View at Google Scholar · View at Scopus
  13. S. Liufu, H. Xiao, and Y. Li, “Adsorption of poly(acrylic acid) onto the surface of titanium dioxide and the colloidal stability of aqueous suspension,” Journal of Colloid and Interface Science, vol. 281, no. 1, pp. 155–163, 2005. View at Publisher · View at Google Scholar · View at Scopus
  14. S. Fazio, J. Guzmán, M. T. Colomer, A. Salomoni, and R. Moreno, “Colloidal stability of nanosized titania aqueous suspensions,” Journal of the European Ceramic Society, vol. 28, no. 11, pp. 2171–2176, 2008. View at Publisher · View at Google Scholar · View at Scopus
  15. S. H. Othman, S. Abdul Rashid, T. I. Mohd Ghazi, and N. Abdullah, “Effect of postdeposition heat treatment on the crystallinity, size, and photocatalytic activity of TiO2 nanoparticles produced via chemical vapour deposition,” Journal of Nanomaterials, vol. 2010, Article ID 512785, 10 pages, 2010. View at Publisher · View at Google Scholar · View at Scopus
  16. C. S. Kuo, Y. H. Tseng, C. H. Huang, and Y. Y. Li, “Carbon-containing nano-titania prepared by chemical vapor deposition and its visible-light-responsive photocatalytic activity,” Journal of Molecular Catalysis A, vol. 270, no. 1-2, pp. 93–100, 2007. View at Publisher · View at Google Scholar · View at Scopus
  17. T. Nash, “The colorimetric estimation of formaldehyde by means of the Hantzsch reaction,” The Biochemical Journal, vol. 55, no. 3, pp. 416–421, 1953. View at Google Scholar · View at Scopus
  18. W. Li, S. Shah, C. P. Huang, O. Jung, and C. Ni, “Metallorganic chemical vapor deposition and characterization of TiO2 nanoparticles,” Materials Science and Engineering B, vol. 96, no. 3, pp. 247–253, 2002. View at Publisher · View at Google Scholar · View at Scopus
  19. X. W. Zhang, M. H. Zhou, and L. C. Lei, “Co-deposition of photocatalytic Fe doped TiO2 coatings by MOCVD,” Catalysis Communications, vol. 7, no. 7, pp. 427–431, 2006. View at Publisher · View at Google Scholar · View at Scopus
  20. D. Santhiya, S. Subramanian, K. A. Natarajan, and S. G. Malghan, “Surface chemical studies on the competitive adsorption of poly(acrylic acid) and poly(vinyl alcohol) onto alumina,” Journal of Colloid and Interface Science, vol. 216, no. 1, pp. 143–153, 1999. View at Publisher · View at Google Scholar · View at Scopus