Table of Contents Author Guidelines Submit a Manuscript
Journal of Chemistry
Volume 2013, Article ID 367617, 4 pages
http://dx.doi.org/10.1155/2013/367617
Research Article

A New Heteroleptic Biquinoline Ruthenium(II) Sensitizer for Near-IR Sensitization of Nanocrystalline TiO2

1Inorganic and Physical Chemistry Division, CSIR-Indian Institute of Chemical Technology, Uppal Road, Tarnaka, Hyderabad 500607, India
2Photovoltaic Materials Unit, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan
3Center of Excellence for Research in Engineering Materials (CEREM), College of Engineering, King Saud University, Riyadh 11421, Saudi Arabia

Received 22 June 2012; Accepted 14 October 2012

Academic Editor: Ahmed El-Shafei

Copyright © 2013 Surya Prakash Singh 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. B. O'Regan and M. Grätzel, “A low-cost, high-efficiency solar cell based on dye-sensitized colloidal TiO2 films,” Nature, vol. 353, no. 6346, pp. 737–740, 1991. View at Google Scholar · View at Scopus
  2. A. Hagfeld and M. Grätzel, “Light-induced redox reactions in nanocrystalline systems,” Chemical Reviews, vol. 95, no. 1, pp. 49–68, 1995. View at Google Scholar · View at Scopus
  3. M. Grätzel, “Conversion of sunlight to electric power by nanocrystalline dye-sensitized solar cells,” Journal of Photochemistry and Photobiology A, vol. 164, no. 1–3, pp. 3–14, 2004. View at Publisher · View at Google Scholar
  4. A. Hagfeld and M. Grätzel, “Molecular photovoltaics,” Accounts of Chemical Research, vol. 33, no. 5, pp. 269–277, 2000. View at Publisher · View at Google Scholar
  5. M. K. Nazeeruddin, A. Kay, I. Rodicio et al., “Conversion of light to electricity by cis-X2bis(2,2′-bipyridyl-4,4′-dicarboxylate)ruthenium(II) charge-transfer sensitizers (X = Cl-, Br-, I-, CN-, and SCN-) on nanocrystalline TiO2 electrodes,” Journal of the American Chemical Society, vol. 115, no. 14, pp. 6382–6390, 1993. View at Google Scholar · View at Scopus
  6. A. Hagfeldt, G. Boschloo, L. Sun, L. Kloo, and H. Pettersson, “Dye-sensitized solar cells,” Chemical Reviews, vol. 110, no. 11, pp. 6595–6663, 2010. View at Publisher · View at Google Scholar · View at Scopus
  7. Y. Chiba, A. Islam, Y. Watanabe, R. Komiya, N. Koide, and L. Han, “Dye-sensitized solar cells with conversion efficiency of 11.1%,” Japanese Journal of Applied Physics, Part 2, vol. 45, no. 24–28, pp. L638–L640, 2006. View at Publisher · View at Google Scholar · View at Scopus
  8. A. Islam, H. Sugihara, L. P. Singh et al., “Synthesis and photophysical properties of ruthenium(II) charge transfer sensitizers containing 4,4′-dicarboxy-2,2′-biquinoline and 5,8-dicarboxy-6,7-dihydro-dibenzo[1,10]-phenanthroline,” Inorganica Chimica Acta, vol. 322, no. 1-2, pp. 7–16, 2001. View at Publisher · View at Google Scholar · View at Scopus
  9. S. P. Singh, A. Islam, M. Yanagida, and L. Han, “Development of a new class of thiocyanate-free cyclometalated ruthenium(II) complex for sensitizing nanocrystalline TiO2 solar cells,” International Journal of Photoenergy, vol. 2011, Article ID 520848, 5 pages, 2011. View at Publisher · View at Google Scholar
  10. A. Islam, S. P. Singh, and L. Han, “Thiocyanate-free, panchromatic ruthenium (II) terpyridine sensitizer having a tridentate diethylenetriamine ligand for near-IR sensitization of nanocrystaline TiO2,” Functional Materials Letters, vol. 4, no. 1, pp. 21–24, 2011. View at Publisher · View at Google Scholar · View at Scopus
  11. A. Islam, S. P. Singh, M. Yanagida, M. R. Karim, and L. Han, “Amphiphilic ruthenium(II) terpyridine sensitizers with long alkyl chain substituted β-diketonato ligands: an efficient coadsorbent-free dye-sensitized solar cells,” International Journal of Photoenergy, vol. 2011, Article ID 757421, 7 pages, 2011. View at Google Scholar
  12. P. Johansson, J. Rowley, A. Taheri et al., “Long-wavelength sensitization of TiO2 by ruthenium diimine compounds with low-lying Π orbitals,” Langmuir, vol. 27, no. 23, pp. 14522–14531, 2011. View at Publisher · View at Google Scholar
  13. A. Islam, S. P. Singh, and L. Han, “Synthesis and application of new ruthenium complexes containing β-diketonato ligands as sensitizers for nanocrystalline TiO2 solar cells,” International Journal of Photoenergy, vol. 2011, Article ID 204639, 8 pages, 2011. View at Google Scholar
  14. Md. Akhtaruzzaman, A. Islam, Y. Fan et al., “A novel metal-free panchromatic TiO2 sensitizer based on a phenylenevinylene-conjugated unit and an indoline derivative for highly efficient dye-sensitized solar cells,” Chemical Communications, vol. 47, no. 45, pp. 12400–12402, 2011. View at Publisher · View at Google Scholar
  15. M. K. Nazeeruddin, P. Péchy, T. Renouard et al., “Engineering of efficient panchromatic sensitizers for nanocrystalline TiO2-based solar cells,” Journal of the American Chemical Society, vol. 123, no. 8, pp. 1613–1624, 2001. View at Publisher · View at Google Scholar · View at Scopus
  16. N. Koide and L. Han, “Measuring methods of cell performance of dye-sensitized solar cells,” Review of Scientific Instruments, vol. 75, no. 9, pp. 2828–2831, 2004. View at Publisher · View at Google Scholar · View at Scopus