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Journal of Nanotechnology
Volume 2012 (2012), Article ID 794874, 9 pages
http://dx.doi.org/10.1155/2012/794874
Research Article

Photocatalytic Oxidation of Carbon Monoxide over N i O / S n O 𝟐 Nanocomposites under UV Irradiation

1Chemistry Department, Faculty of Science, King Abdulaziz University, P. O. Box 80203, Jeddah 21589, Saudi Arabia
2Nanostructured Material Division, Advanced Materials Department, Central Metallurgical R&D Institute, Helwan 11421, Cairo, Egypt

Received 18 May 2011; Accepted 19 June 2011

Academic Editor: Yuanhui Zheng

Copyright © 2012 R. M. Mohamed and Elham S. Aazam. 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. K. Gurunathan, P. Maruthamuthu, and M. V. C. Sastri, “Photocatalytic hydrogen production by dye-sensitized Pt/SnO2 and Pt/SnO2/RuO2 in aqueous methyl viologen solution,” International Journal of Hydrogen Energy, vol. 22, no. 1, pp. 57–62, 1997. View at Google Scholar
  2. W. W. So, K. J. Kim, and S. J. Moon, “Photo-production of hydrogen over the CdS-TiO2 nano-composite particulate films treated with TiCl4,” International Journal of Hydrogen Energy, vol. 29, no. 3, pp. 229–234, 2004. View at Publisher · View at Google Scholar
  3. X. D. Yu, Q. Y. Wu, S. C. Jiang, and Y. H. Guo, “Nanoscale ZnS/TiO2 composites: preparation, characterization, and visible-light photocatalytic activity,” Materials Characterization, vol. 57, no. 4-5, pp. 333–341, 2006. View at Publisher · View at Google Scholar
  4. P. E. Jongh, D. De Vanmaekelbergh, and J. J. Kelly, “Cu2O: a catalyst for the photochemical decomposition of water?” Chemical Communications, no. 12, pp. 1069–1070, 1999. View at Google Scholar
  5. R. M. Mohamed and I. A. Mkhalid, “Characterization and catalytic properties of nano-sized Ag metal catalyst on TiO2—SiO2 synthesized by photo-assisted deposition and impregnation methods,” Journal of Alloys and Compounds, vol. 501, no. 2, pp. 301–306, 2010. View at Publisher · View at Google Scholar
  6. R. M. Mohamed and I. A. Mkhalid, “The effect of rare earth dopants on the structure, surface texture and photocatalytic properties of TiO2—SiO2 prepared by sol—gel method,” Journal of Alloys and Compounds, vol. 501, no. 1, pp. 143–147, 2010. View at Publisher · View at Google Scholar
  7. V. Keller and F. Garin, “Photocatalytic behavior of a new composite and oxides ternary system: WO3/SiCeTiO2 effect of the coupling of semiconductors in photocatalytic oxidation of methylethylketone in the gas phase,” Catalysis Communications, vol. 4, pp. 377–383, 2003. View at Google Scholar
  8. J. H. Yan, Y. R. Zhu, Y. G. Tang, and S. Q. Zheng, “Nitrogen-dopedSrTiO3/TiO2 compositephotocatalysts for hydrogenproductionunder visible light irradiation,” Journal of Alloys and Compounds, vol. 472, no. 1-2, pp. 429–433, 2009. View at Google Scholar
  9. R. Sasikala, A. Shirole, V. Sudarsan et al., “Highly dispersed phase of SnO2 on TiO2 nanoparticles synthesized by polyol-mediated route: photocatalytic activity for hydrogen generation,” International Journal of Hydrogen Energy, vol. 34, no. 9, pp. 3621–3630, 2009. View at Publisher · View at Google Scholar
  10. M. Stodolny and M. Laniecki, “Synthesis and characterization of mesoporous Ta2O5-TiO2 photocatalysts for water splitting,” Catalysis Today, vol. 142, no. 3-4, pp. 314–319, 2009. View at Publisher · View at Google Scholar
  11. T. Miwa, S. Kaneco, H. Katsumata et al., “Photocatalytic hydrogen production from aqueous methanol solution with CuO/Al2O3/TiO2 nanocomposite,” International Journal of Hydrogen Energy, vol. 35, no. 13, pp. 6554–6560, 2010. View at Publisher · View at Google Scholar
  12. X. H. Zhou, Q. X. Cao, H. Huang, P. Yang, and Y. Hu, “Study on sensing mechanism of CuO-SnO2 gas sensors,” Materials Science and Engineering B, vol. 99, no. 1–3, pp. 44–47, 2003. View at Publisher · View at Google Scholar · View at Scopus
  13. T. Pagnier, M. Boulova, A. Galerie, A. Gaskov, and G. Lucazeau, “Reactivity of SnO2-CuO nanocrystalline materials with H2S: a coupled electrical and Raman spectroscopic study,” Sensors and Actuators, B, vol. 71, no. 1-2, pp. 134–139, 2000. View at Publisher · View at Google Scholar · View at Scopus
  14. I. S. Hwang, J. K. Choi, S. J. Kim et al., “Enhanced H2S sensing characteristics of SnO2 nanowires functionalized with CuO,” Sensors and Actuators, B, vol. 142, no. 1, pp. 105–110, 2009. View at Publisher · View at Google Scholar · View at Scopus
  15. C. Li, W. Wei, S. Fang et al., “A novel CuO-nanotube/SnO2 composite as the anode material for lithium ion batteries,” Journal of Power Sources, vol. 195, no. 9, pp. 2939–2944, 2010. View at Publisher · View at Google Scholar · View at Scopus
  16. A. L. Patterson, “The Scherrer formula for x-ray particle size determination,” Physical Review Online Archive, vol. 56, pp. 978–982, 1939. View at Google Scholar
  17. J. H. Yu and G. M. Choi, “Electrical and CO gas sensing properties of ZnO—SnO2 composites,” Sensors and Actuators, B, vol. 52, no. 3, pp. 251–256, 1998. View at Publisher · View at Google Scholar
  18. L. M. Fang, X. T. Zu, Z. J. Li et al., “Microstructure and luminescence properties of Co-doped SnO2 nanoparticles synthesized by hydrothermal method,” Journal of Materials Science, vol. 19, no. 8-9, pp. 868–874, 2008. View at Publisher · View at Google Scholar · View at Scopus
  19. T. Takagahara and K. Takeda, “Theory of the quantum confinement effect on excitons in quantum dots of indirect-gap materials,” Physical Review B, vol. 46, no. 23, pp. 15578–15581, 1992. View at Publisher · View at Google Scholar · View at Scopus
  20. L. Chun-Ming, F. Li-Mei, Z. Xiao-Tao, and Z. Wei-Lie, “The influence of nickel dopant on the microstructure and optical properties of SnO2 nano-powders,” Chinese Physics, vol. 16, no. 1, pp. 95–99, 2007. View at Publisher · View at Google Scholar · View at Scopus
  21. A. E. Rakhshani, Y. Makdisi, and H. A. Ramazaniyan, “Electronic and optical properties of fluorine-doped tin oxide films,” Journal of Applied Physics, vol. 83, no. 2, pp. 1049–1057, 1998. View at Google Scholar · View at Scopus
  22. Y. R. Park and K. J. Kim, “Sputtering growth and optical properties of [100]-oriented tetragonal SnO2 and its Mn alloy films,” Journal of Applied Physics, vol. 94, no. 10, pp. 6401–6404, 2003. View at Publisher · View at Google Scholar · View at Scopus
  23. N. Barreau, J. C. Bernede, S. Marsillac, and A. Mokrani, “Study of low temperature elaborated tailored optical band gap [beta]-In2S3-3xO3x thin films,” Journal of Crystal Growth, vol. 235, no. 1–4, pp. 439–449, 2002. View at Publisher · View at Google Scholar · View at Scopus
  24. B. Sasi, K. G. Gopchandran, P. K. Manoj, P. Koshy, P. P. Rao, and V. K. Vaidyan, “Preparation of transparent and semiconducting NiO films,” Vacuum, vol. 68, no. 2, pp. 149–154, 2002. View at Publisher · View at Google Scholar · View at Scopus
  25. Z. L. Jin, X. L. Zhang, Y. X. Li, S. B. Li, and G. X. Lu, “5.1% apparent quantum efficiency for stable hydrogen generation over eosin-sensitized CuO/TiO2 photocatalyst under visible light irradiation,” Catalysis Communications, vol. 8, no. 8, pp. 1267–1273, 2007. View at Publisher · View at Google Scholar · View at Scopus
  26. S. P. Xu and D. D. Sun, “Significant improvement of photocatalytic hydrogen generation rate over TiO2 with deposited CuO,” International Journal of Hydrogen Energy, vol. 34, no. 15, pp. 6096–6104, 2009. View at Publisher · View at Google Scholar · View at Scopus
  27. A. A. Nada, M. H. Barakat, H. A. Hamed, N. R. Mohamed, and T. N. Veziroglu, “Studies on the photocatalytic hydrogen production using suspended modified TiO2 photocatalysts,” International Journal of Hydrogen Energy, vol. 30, no. 7, pp. 687–691, 2005. View at Publisher · View at Google Scholar · View at Scopus
  28. N. L. Wu and M. S. Lee, “Enhanced TiO2 photocatalysis by Cu in hydrogen production from aqueous methanol solution,” International Journal of Hydrogen Energy, vol. 29, no. 15, pp. 1601–1605, 2004. View at Publisher · View at Google Scholar · View at Scopus
  29. X. J. Zheng, L. F. Wei, Z. H. Zhang et al., “Research on photocatalytic H2 production from acetic acid solution by Pt/TiO2 nanoparticles under UV irradiation,” International Journal of Hydrogen Energy, vol. 34, no. 22, pp. 9033–9041, 2009. View at Publisher · View at Google Scholar · View at Scopus
  30. X. L. Fu, J. L. Long, X. X. Wang et al., “Photocatalytic reforming of biomass: a systematic study of hydrogen evolution from glucose solution,” International Journal of Hydrogen Energy, vol. 33, no. 22, pp. 6484–6491, 2008. View at Publisher · View at Google Scholar · View at Scopus