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International Journal of Photoenergy
Volume 2012 (2012), Article ID 936075, 11 pages
http://dx.doi.org/10.1155/2012/936075
Research Article

Highly Efficient Organic UV Photodetectors Based on Polyfluorene and Naphthalenediimide Blends: Effect of Thermal Annealing

Solar Energy Institute, Ege University, Izmir, 35100 Bornova, Turkey

Received 28 October 2011; Accepted 17 January 2012

Academic Editor: Xie Quan

Copyright © 2012 Gorkem Memisoglu and Canan Varlikli. 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. Razeghi and A. Rogalski, “Semiconductor ultraviolet detectors,” Journal of Applied Physics, vol. 79, no. 10, pp. 7433–7473, 1996. View at Google Scholar · View at Scopus
  2. Y. A. Goldberg, “Semiconductor near-ultraviolet photoelectronics,” Semiconductor Science and Technology, vol. 14, no. 7, pp. R41–R60, 1999. View at Publisher · View at Google Scholar · View at Scopus
  3. E. Monroy, F. Omnès, and F. Calle, “Wide-bandgap semiconductor ultraviolet photodetectors,” Semiconductor Science and Technology, vol. 18, no. 4, pp. R33–R51, 2003. View at Publisher · View at Google Scholar · View at Scopus
  4. T. Hamasaki, T. Morimune, H. Kajii et al., “Fabrication and characteristics of polyfluorene based organic photodetectors using fullerene derivatives,” Thin Solid Films, vol. 518, no. 2, pp. 548–550, 2009. View at Publisher · View at Google Scholar · View at Scopus
  5. Z. Su, W. Li, B. Chu et al., “High response organic ultraviolet photodetector based on blend of 4, 4′, 4 -tri-(2-methylphenyl phenylamino) triphenylaine and tris-(8-hydroxyquinoline) gallium,” Applied Physics Letters, vol. 93, no. 10, Article ID 103309, 2008. View at Publisher · View at Google Scholar · View at Scopus
  6. G. Zhang, W. Li, B. Chu et al., “Highly efficient photovoltaic diode based organic ultraviolet photodetector and the strong electroluminescence resulting from pure exciplex emission,” Organic Electronics, vol. 10, no. 2, pp. 352–356, 2009. View at Publisher · View at Google Scholar · View at Scopus
  7. H. G. Li, G. Wu, H. Z. Chen, and M. Wang, “Solution-processed organic UV photodetectors based on polyfluorene and naphthalenediimide,” Current Applied Physics, vol. 11, no. 3, pp. 750–754, 2011. View at Publisher · View at Google Scholar · View at Scopus
  8. Y. Han, G. Wu, M. Wang, and H. Chen, “High efficient UV-A photodetectors based on monodispersed ligand-capped TiO2 nanocrystals and polyfluorene hybrids,” Polymer, vol. 51, no. 16, pp. 3736–3743, 2010. View at Publisher · View at Google Scholar · View at Scopus
  9. Y.-G. Han and L.-L. Wu, “Influence of surface ligand on ultraviolet photodetection property of TiO2 nanocrystal/polymer hybrids,” Journal of Electronic Materials, vol. 40, no. 10, pp. 2147–2151, 2011. View at Publisher · View at Google Scholar
  10. F. Ali, N. Periasamy, M. P. Patankar, and K. L. Narasimhan, “Integrated organic blue LED and visible-blind UV photodetector,” Journal of Physical Chemistry C, vol. 115, no. 5, pp. 2462–2469, 2011. View at Publisher · View at Google Scholar
  11. H. G. Li, G. Wu, M. M. Shi, H. Z. Chen, and M. Wang, “Synthesis of solution processable ultraviolet sensitive organic molecules and their application in hybrid UV photodetector,” Synthetic Metals, vol. 160, no. 15-16, pp. 1648–1653, 2010. View at Publisher · View at Google Scholar · View at Scopus
  12. F. Yan, H. Liu, W. Li et al., “Double wavelength ultraviolet light sensitive organic photodetector,” Applied Physics Letters, vol. 95, no. 25, Article ID 253308, 2009. View at Publisher · View at Google Scholar · View at Scopus
  13. L. Wang, D. Zhao, Z. Su et al., “High spectrum selectivity organic/inorganic hybrid visible-blind ultraviolet photodetector based on ZnO nanorods,” Organic Electronics, vol. 11, no. 7, pp. 1318–1322, 2010. View at Publisher · View at Google Scholar · View at Scopus
  14. Y. Han, G. Wu, M. Wang, and H. Chen, “Hybrid ultraviolet photodetectors with high photosensitivity based on TiO2 nanorods array and polyfluorene,” Applied Surface Science, vol. 256, no. 5, pp. 1530–1533, 2009. View at Publisher · View at Google Scholar · View at Scopus
  15. H. G. Li, G. Wu, H. Z. Chen, and M. Wang, “Spectral response tuning and realization of quasi-solar-blind detection in organic ultraviolet photodetectors,” Organic Electronics, vol. 12, no. 1, pp. 70–77, 2011. View at Publisher · View at Google Scholar · View at Scopus
  16. J. B. Wang, W. L. Li, B. Chu et al., “Visible-blind ultraviolet photo-detector using tris-(8-hydroxyquinoline) rare earth as acceptors and the effects of the bulk and interfacial exciplex emissions on the photo-responsivity,” Organic Electronics, vol. 11, no. 7, pp. 1301–1306, 2010. View at Publisher · View at Google Scholar · View at Scopus
  17. C. Karapire, Photophysical and photoelectrochemical studies of selected photosensitizers, Ph.D. thesis, 405.02.01, 2003.
  18. D. Shukla, S. F. Nelson, D. C. Freeman et al., “Thin-film morphology control in naphthalene-diimide-based semiconductors: high mobility n-type semiconductor for organic thin-film transistors,” Chemistry of Materials, vol. 20, no. 24, pp. 7486–7491, 2008. View at Publisher · View at Google Scholar · View at Scopus
  19. T. B. Singh, S. Erten, S. Günes et al., “Soluble derivatives of perylene and naphthalenediimide for n-channel organic field-effect transistors,” Organic Electronics, vol. 7, no. 6, pp. 480–489, 2006. View at Publisher · View at Google Scholar · View at Scopus
  20. S. Alp, S. Erten, C. Karapire, B. Köz, A. O. Doroshenko, and S. Içli, “Photoinduced energy-electron transfer studies with naphthalenediimides,” Journal of Photochemistry and Photobiology A, vol. 135, no. 2-3, pp. 103–110, 2000. View at Google Scholar · View at Scopus
  21. D. Buckland, S. V. Bhosale, and S. J. Langford, “A chemodosimer based on a core-substituted napthalene diimide for fluoride ion detection,” Tetrahedron Letters, vol. 52, pp. 1990–1992, 2011. View at Google Scholar
  22. M. Redecker, D. D. C. Bradley, M. Inbasekaran, and E. P. Woo, “Nondispersive hole transport in an electroluminescent polyfluorene,” Applied Physics Letters, vol. 73, no. 11, pp. 1565–1567, 1998. View at Publisher · View at Google Scholar · View at Scopus
  23. F. Tinti, S. E. Debebe, W. Mammo, T. Yohannes, and N. Camaioni, “Temperature and electric field dependent hole mobility in a polyfluorene copolymer,” Synthetic Metals, vol. 161, pp. 794–798, 2011. View at Google Scholar
  24. C. P. Liu and Y. T. Hung, “The effect of thermal annealing and evaporating vacuum level on the performance of a polyfluorene-based polymer light emitting diode,” Thin Solid Films, vol. 492, no. 1-2, pp. 269–274, 2005. View at Publisher · View at Google Scholar · View at Scopus
  25. W. Huang, J. Peng, and L. Wang, “Investigation of annealing effects on microstructure of hybrid nanocrystal-polymer solar cells by impedance spectroscopy,” Synthetic Metals, vol. 160, no. 5-6, pp. 445–449, 2010. View at Publisher · View at Google Scholar · View at Scopus
  26. M. Kus, Ö. Hakli, C. Zafer et al., “Optical and electrochemical properties of polyether derivatives of perylenediimides adsorbed on nanocrystalline metal oxide films,” Organic Electronics, vol. 9, no. 5, pp. 757–766, 2008. View at Publisher · View at Google Scholar · View at Scopus
  27. N. H. Al-Hardan, M. J. Abdullah, H. Ahmad, A. A. Aziz, and L. Y. Low, “Investigation on UV photodetector behavior of RF-sputtered ZnO by impedance spectroscopy,” Solid-State Electronics, vol. 55, no. 1, pp. 59–63, 2011. View at Publisher · View at Google Scholar · View at Scopus
  28. Z. G. Shao, I. M. Hsing, H. Zhang, and B. Yi, “Influence of anode diffusion layer on the performance of a liquid feed direct methanol fuel cell by AC impedance spectroscopy,” International Journal of Energy Research, vol. 30, no. 14, pp. 1216–1227, 2006. View at Publisher · View at Google Scholar · View at Scopus
  29. J. Bisquert, G. Garcia-Belmonte, Á. Pitarch, and H. J. Bolink, “Negative capacitance caused by electron injection through interfacial states in organic light-emitting diodes,” Chemical Physics Letters, vol. 422, no. 1–3, pp. 184–191, 2006. View at Publisher · View at Google Scholar · View at Scopus
  30. C. Zafer, K. Ocakoglu, C. Ozsoy, and S. Icli, “Dicationic bis-imidazolium molten salts for efficient dye sensitized solar cells: synthesis and photovoltaic properties,” Electrochimica Acta, vol. 54, no. 24, pp. 5709–5714, 2009. View at Publisher · View at Google Scholar · View at Scopus
  31. L. Pereira, L. Raniero, P. Barquinha, E. Fortunato, and R. Martins, “Impedance study of the electrical properties of poly-Si thin film transistors,” Journal of Non-Crystalline Solids, vol. 352, no. 9–20, pp. 1737–1740, 2006. View at Publisher · View at Google Scholar · View at Scopus
  32. J. Huang, Z. Xu, S. Zhao et al., “Study on carrier mobility measurement using electroluminescence in frequency domain and electrochemical impedance spectroscopy,” Measurement, vol. 43, no. 3, pp. 295–298, 2010. View at Publisher · View at Google Scholar · View at Scopus
  33. H. C. F. Martens, W. F. Pasveer, H. B. Brom, J. N. Huiberts, and P. W. M. Blom, “Crossover from space-charge-limited to recombination-limited transport in polymer light-emitting diodes,” Physical Review B, vol. 63, no. 12, Article ID 125328, pp. 1253281–1253287, 2001. View at Google Scholar · View at Scopus
  34. T. Okachi, T. Nagase, T. Kobayashi, and H. Naito, “Influence of injection barrier on the determination of charge-carrier mobility in organic light-emitting diodes by impedance spectroscopy,” Thin Solid Films, vol. 517, no. 4, pp. 1331–1334, 2008. View at Publisher · View at Google Scholar · View at Scopus