Table of Contents
Smart Materials Research
Volume 2014 (2014), Article ID 151732, 9 pages
http://dx.doi.org/10.1155/2014/151732
Research Article

Enhanced Colouration Efficiency of Pulsed DC Magnetron Sputtered WO3 Films Cycled in H2SO4 Electrolyte Solution

1Department of Physics, Alagappa University, Karaikudi 630 004, India
2Directorate of Distance Education, Alagappa University, Karaikudi 630 004, India
3Department of Physics, Alagappa Chettiar College of Engineering and Technology, Karaikudi 630 004, India

Received 15 December 2013; Accepted 15 June 2014; Published 1 July 2014

Academic Editor: Chris Bowen

Copyright © 2014 K. Punitha 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. C. G. Granqvist, Handbook of Inorganic Electrochromic Materials, Elsevier, Amsterdam, The Netherland, 1995.
  2. P. Judeinstein, J. Livage, and J. Chem, “Etude des mécanismes électrochimiques dans les films minces d'oxyde de tungstène,” Journal of Chemical Physics, vol. 90, p. 1137, 1993. View at Google Scholar
  3. B. W. Faughnan and R. Crandal, Topics in Applied Physics, Springer, Berlin, Germany, 1980, edited by J. Pancove.
  4. S. K. Deb, “Optical and photoelectric properties and colour centres in thin films of tungsten oxide,” Philosophical Magazine, vol. 27, pp. 801–822, 1973. View at Publisher · View at Google Scholar
  5. O. F. Schirmer, V. Wittwer, G. Baur, and G. Brandt, “Dependence of WO3 electrochromic absorption on crystallinity,” Journal of the Electrochemical Society, vol. 124, no. 5, pp. 749–753, 1977. View at Publisher · View at Google Scholar · View at Scopus
  6. A. Travlos, Physical properties of thin films of sodium tungsten bronzes [thesis], Imperial College, 1984.
  7. D. Davazoglou and A. Donnadieu, “Electrochromism in polycrystalline WO3 thin films prepared by chemical vapour deposition at high temperature,” Thin Solid Films, vol. 164, pp. 369–374, 1988. View at Publisher · View at Google Scholar · View at Scopus
  8. R. A. Roy and R. Messier, “Preparation-physical structure relations in SiC sputtered films,” Journal of Vacuum Science and Technology A, vol. 2, p. 312, 1984. View at Google Scholar
  9. R. Vijayalakshmi, M. Jayachandran, and C. Sanjeeviraja, “Structural, electrochromic and FT-IR studies on electrodeposited tungsten trioxide films,” Current Applied Physics, vol. 3, no. 2-3, pp. 171–175, 2003. View at Publisher · View at Google Scholar · View at Scopus
  10. R. Sivakumar, A. M. E. Raj, B. Subramanian, M. Jayachandran, D. C. Trivedi, and C. Sanjeeviraja, “Preparation and characterization of spray deposited n-type WO3 thin films for electrochromic devices,” Materials Research Bulletin, vol. 39, no. 10, pp. 1479–1489, 2004. View at Publisher · View at Google Scholar · View at Scopus
  11. M. Stolze, D. Gogova, and L. K. Thomas, “Analogy for the maximum obtainable colouration between electrochromic, gasochromic, and electrocolouration in DC-sputtered thin WO3-y films,” Thin Solid Films, vol. 476, no. 1, pp. 185–189, 2005. View at Publisher · View at Google Scholar · View at Scopus
  12. R. Sivakumar, M. Jayachandran, and C. Sanjeeviraja, “Studies on the effect of substrate temperature on (VI-VI) textured tungsten oxide (WO3) thin films on glass, SnO2:F substrates by PVD:EBE technique for electrochromic devices,” Materials Chemistry and Physics, vol. 87, no. 2-3, pp. 439–445, 2004. View at Publisher · View at Google Scholar · View at Scopus
  13. E. Pascual, J. Martí, E. Garcia, A. Canillas, and E. Bertran, “Infrared and UV-visible ellipsometric study of WO3 electrochromic thin films,” Thin Solid Films, vol. 313-314, pp. 682–686, 1998. View at Publisher · View at Google Scholar · View at Scopus
  14. Z. Dimitrova and D. Gogova, “On the structure, stress and optical properties of CVD tungsten oxide films,” Materials Research Bulletin, vol. 40, pp. 333–340, 2005. View at Publisher · View at Google Scholar
  15. M. Seman and C. A. Wolden, “An investigation of the role of plasma conditions on the deposition rate and electrochromic performance of tungsten oxide films,” Journal of Vacuum Science & Technology A, vol. 21, p. 1927, 2003. View at Google Scholar
  16. S. Nagata, H. Fujita, A. Inouye, S. Yamamoto, B. Tsuchiya, and T. Shikama, “Ion irradiation effects on the optical properties of tungsten oxide films,” Nuclear Instruments and Methods in Physics Research B, vol. 268, no. 19, pp. 3151–3154, 2010. View at Publisher · View at Google Scholar
  17. P. J. Kelly, J. Hisek, Y. Zhou, R. D. Pilkington, and R. D. Arnell, “Advanced coatings through pulsed magnetron sputtering,” Surface Engineering, vol. 20, no. 3, pp. 157–162, 2004. View at Publisher · View at Google Scholar · View at Scopus
  18. X. Sun, Z. Liu, and H. Cao, “Effects of film density on electrochromic tungsten oxide thin films deposited by reactive dc-pulsed magnetron sputtering,” Journal of Alloys and Compounds, vol. 504, pp. S418–S421, 2010. View at Publisher · View at Google Scholar
  19. P. S. Patil, P. R. Patil, S. S. Kamble, and S. H. Pawar, “Thickness-dependent electrochromic properties of solution thermolyzed tungsten oxide thin films,” Solar Energy Materials and Solar Cells, vol. 60, no. 2, pp. 143–153, 2000. View at Publisher · View at Google Scholar · View at Scopus
  20. O. Bohnke, M. Rezrazi, B. Vuillemin, C. Bohnke, P. A. Gillet, and C. Rousselot, “”In situ“ optical and electrochemical characterization of electrochromic phenomena into tungsten trioxide thin films,” Solar Energy Materials and Solar Cells, vol. 25, no. 3-4, pp. 361–374, 1992. View at Publisher · View at Google Scholar · View at Scopus
  21. C. M. Lampert, V.-V. Truong, and J. Nagai, “Characterization parameters and test methods for electrochromic device in glazing applications,” Interim Working Document LBL-29632.43e, International Energy Agency, Task X-C, Glazing Materials, 1991. View at Google Scholar
  22. J. Wang and J. M. Bell, “Influence of deposition temperature on electrochromic properties of sputtered WO3 thin films,” Solar Energy Materials and Solar Cells, vol. 43, no. 4, pp. 377–391, 1996. View at Publisher · View at Google Scholar · View at Scopus
  23. R. Sivakumar, R. Gopalakrishnan, M. Jayachandran, and C. Sanjeeviraja, “Investigation of x-ray photoelectron spectroscopic (XPS), cyclic voltammetric analyses of WO3 films and their electrochromic response in FTO/WO3/electrolyte/FTO cells,” Smart Materials and Structures, vol. 15, no. 3, pp. 877–888, 2006. View at Publisher · View at Google Scholar · View at Scopus
  24. R. Sivakumar, K. Shanthakumari, A. Thayumanavan, M. Jayachandran, and C. Sanjeeviraja, “Coloration and bleaching mechanism of tungsten oxide thin films in different electrolytes,” Surface Engineering, vol. 23, no. 5, pp. 373–379, 2007. View at Publisher · View at Google Scholar · View at Scopus
  25. M. Kitao, S. Yamada, S. Yoshida, H. Akram, and K. Urabe, “Preparation conditions of sputtered electrochromic WO3 films and their infrared absorption spectra,” Solar Energy Materials and Solar Cells, vol. 25, no. 3-4, pp. 241–255, 1992. View at Publisher · View at Google Scholar · View at Scopus