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Advances in Condensed Matter Physics
Volume 2015, Article ID 403196, 8 pages
http://dx.doi.org/10.1155/2015/403196
Research Article

Optical Properties of Sol-Gel Nb2O5 Films with Tunable Porosity for Sensing Applications

Institute of Optical Materials and Technologies “Acad. J. Malinowski”, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Block 109, 1113 Sofia, Bulgaria

Received 10 May 2015; Accepted 16 June 2015

Academic Editor: Rosa Lukaszew

Copyright © 2015 Rosen Georgiev 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. M. A. Aegerter, “Sol-gel chromogenic materials and devices,” in Optical and Electronic Phenomena in Sol-Gel Glasses and Modern Application, C. K. Jorgensen and R. Reisfeld, Eds., vol. 85 of Structure and Bonding, pp. 149–194, Springer, Berlin, Germany, 1996. View at Publisher · View at Google Scholar
  2. J. Gandhi, R. Dangi, and S. Bhardwaj, “Nb2O5 used as photocatalyst for degradation of methylene blue using solar energy,” Rasayan Journal of Chemistry, vol. 1, no. 3, pp. 567–571, 2008. View at Google Scholar
  3. S. H. Mujawar, A. I. Inamdar, S. B. Patil, and P. S. Patil, “Electrochromic properties of spray-deposited niobium oxide thin films,” Solid State Ionics, vol. 177, no. 37-38, pp. 3333–3338, 2006. View at Publisher · View at Google Scholar · View at Scopus
  4. C.-C. Lee, C.-L. Tien, and J.-C. Hsu, “Internal stress and optical properties of Nb2O5 thin films deposited by ion-beam sputtering,” Applied Optics, vol. 41, no. 10, pp. 2043–2047, 2002. View at Publisher · View at Google Scholar · View at Scopus
  5. K. Mizuuchi, H. Ohta, K. Yamamoto, and M. Kato, “Second-harmonic generation with a high-index-clad waveguide,” Optics Letters, vol. 22, no. 16, pp. 1217–1219, 1997. View at Publisher · View at Google Scholar · View at Scopus
  6. A. Dhar and T. L. Alford, “Optimization of Nb2O5/Ag/Nb2O5 multilayers as transparent composite electrode on flexible substrate with high figure of merit,” Journal of Applied Physics, vol. 112, no. 10, Article ID 103113, 2012. View at Publisher · View at Google Scholar
  7. M. A. Aegerter, “Sol-gel niobium pentoxide: a promising material for electrochromic coatings, batteries, nanocrystalline solar cells and catalysis,” Solar Energy Materials & Solar Cells, vol. 68, no. 3-4, pp. 401–422, 2001. View at Publisher · View at Google Scholar · View at Scopus
  8. K. Lazarova, M. Vasileva, G. Marinov, and T. Babeva, “Optical characterization of sol-gel derived Nb2O5 thin films,” Optics and Laser Technology, vol. 58, pp. 114–118, 2014. View at Publisher · View at Google Scholar · View at Scopus
  9. Y.-P. Zhu, T.-Z. Ren, and Z.-Y. Yuan, “Mesoporous non-siliceous inorganic-organic hybrids: a promising platform for designing multifunctional materials,” New Journal of Chemistry, vol. 38, no. 5, pp. 1905–1922, 2014. View at Publisher · View at Google Scholar · View at Scopus
  10. T. Babeva, H. Awala, M. Vasileva et al., “Zeolite films as building blocks for antireflective coatings and vapor responsive Bragg stacks,” Dalton Transactions, vol. 43, no. 23, pp. 8868–8876, 2014. View at Publisher · View at Google Scholar · View at Scopus
  11. K. Lazarova, H. Awala, S. Thomas, M. Vasileva, S. Mintova, and T. Babeva, “Vapor responsive one-dimensional photonic crystals from zeolite nanoparticles and metal oxide films for optical sensing,” Sensors, vol. 14, no. 7, pp. 12207–12218, 2014. View at Publisher · View at Google Scholar
  12. G. J. A. A. Soler-Illia, P. C. Angelomé, M. C. Fuertes et al., “Mesoporous hybrid and nanocomposite thin films. A sol-gel toolbox to create nanoconfined systems with localized chemical properties,” Journal of Sol-Gel Science and Technology, vol. 57, no. 3, pp. 299–312, 2011. View at Publisher · View at Google Scholar · View at Scopus
  13. M. N. Ghazzal, O. Deparis, A. Errachid et al., “Porosity control and surface sensitivity of titania/silica mesoporous multilayer coatings: applications to optical Bragg resonance tuning and molecular sensing,” Journal of Materials Chemistry, vol. 22, no. 48, pp. 25302–25310, 2012. View at Publisher · View at Google Scholar · View at Scopus
  14. M. C. Fuertes, F. J. López-Alcaraz, M. C. Marchi et al., “Photonic crystals from ordered mesoporous thin-film functional building blocks,” Advanced Functional Materials, vol. 17, no. 8, pp. 1247–1254, 2007. View at Publisher · View at Google Scholar · View at Scopus
  15. Y. Ren, Z. Ma, and P. G. Bruce, “Ordered mesoporous metal oxides: synthesis and applications,” Chemical Society Reviews, vol. 41, no. 14, pp. 4909–4927, 2012. View at Publisher · View at Google Scholar · View at Scopus
  16. C. García-Sancho, J. M. Rubio-Caballero, J. M. Mérida-Robles, R. Moreno-Tost, J. Santamaría-González, and P. Maireles-Torres, “Mesoporous Nb2O5 as solid acid catalyst for dehydration of D-xylose into furfural,” Catalysis Today, vol. 234, pp. 119–124, 2014. View at Publisher · View at Google Scholar
  17. F. Hashemzadeh, R. Rahimi, and A. Ghaffarinejad, “Mesoporous nanostructures of Nb2O5 obtained by an EISA route for the treatment of malachite green dye-contaminated aqueous solution under UV and visible light irradiation,” Ceramics International, vol. 40, no. 7, pp. 9817–9829, 2014. View at Publisher · View at Google Scholar · View at Scopus
  18. D. Gu and F. Schüth, “Synthesis of non-siliceous mesoporous oxides,” Chemical Society Reviews, vol. 43, no. 1, pp. 313–344, 2014. View at Publisher · View at Google Scholar
  19. R. Nisticò, D. Scalarone, and G. Magnacca, “Preparation and physico-chemical characterization of large-mesopore silica thin films templated by block copolymers for membrane technology,” Microporous and Mesoporous Materials, vol. 190, pp. 208–214, 2014. View at Publisher · View at Google Scholar · View at Scopus
  20. K. Lazarova, B. Georgieva, M. Spasova, and T. Babeva, “Preparation and characterization of mesoporous Nb2O5 films for sensing applications,” Journal of Physics: Conference Series, vol. 558, Article ID 012042, 2014. View at Publisher · View at Google Scholar
  21. K. Lazarova, M. Vasileva, G. Marinov, and T. Babeva, “Sol-gel derived Nb2O5 thin films for photonic applications,” Bulgarian Chemical Communications, vol. 45, pp. 23–27, 2013. View at Google Scholar
  22. J. Yan, G. Wu, N. Guan, and L. Li, “Nb2O5/TiO2 heterojunctions: synthesis strategy and photocatalytic activity,” Applied Catalysis B: Environmental, vol. 152-153, no. 1, pp. 280–288, 2014. View at Publisher · View at Google Scholar · View at Scopus
  23. E. R. Leite, F. M. Pontes, E. J. H. Lee et al., “A novel approach for the development of photoluminescent material,” Applied Physics A: Materials Science and Processing, vol. 74, no. 4, pp. 529–532, 2002. View at Publisher · View at Google Scholar · View at Scopus
  24. H. Zhu, Z. Zheng, X. Gao et al., “Structural evolution in a hydrothermal reaction between Nb2O5 and NaOH solution: from Nb2O5 grains to microporous Na2Nb2O6·2/3H2O fibers and NaNbO3 cubes,” Journal of the American Chemical Society, vol. 128, no. 7, pp. 2373–2384, 2006. View at Publisher · View at Google Scholar
  25. Y. Zhou, Z. Qiu, M. Lü, A. Zhang, and Q. Ma, “Preparation and spectroscopic properties of Nb2O5 nanorods,” Journal of Luminescence, vol. 128, no. 8, pp. 1369–1372, 2008. View at Publisher · View at Google Scholar · View at Scopus