Dye-Sensitized Solar Cells Using Fresh and Dried Natural Dyes
International Journal of Materials Science and Applications
Volume 2, Issue 2, March 2013, Pages: 37-42
Received: Feb. 17, 2013; Published: Mar. 10, 2013
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Sofyan A. Taya, Physics Department, Islamic University of Gaza, Gaza, Palestinian Authority
Taher M. El-Agez, Physics Department, Islamic University of Gaza, Gaza, Palestinian Authority
Hatem S. El-Ghamri, Physics Department, Islamic University of Gaza, Gaza, Palestinian Authority
Monzir S. Abdel-Latif, Chemistry Department, Islamic University of Gaza, Gaza, Palestinian Authority
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Different natural dye extracts have been prepared and used as sensitizers in the fabrication of dye-sensitized solar cells (DSSCs). These dyes have been extracted from both fresh and dried raw materials. The absorption spectra of these dyes have been investigated by UV-VIS spectrophotometry. DSSCs were assembled using TiO2 and ZnO nanostruc-tured, mesoporous films. Photovoltaic parameters such as short circuit current density Jsc, open circuit voltage Voc, fill fac-tor FF, and overall conversion efficiency η for the fabricated cells were determined under 100 mW/cm2 illumination. The immersion time of the nanocrystalline-TiO2 electrode in spinach extract and the temperature at which this process occurs were optimized. The optimal dying temperature is found to be 60 °C and the efficiency of the DSSC is found to saturate to 0.29% after 12 hr of soaking in the dye solution.
Dye-Sensitized Solar Cell, ZnO, TiO2, Natural Dyes
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Sofyan A. Taya, Taher M. El-Agez, Hatem S. El-Ghamri, Monzir S. Abdel-Latif, Dye-Sensitized Solar Cells Using Fresh and Dried Natural Dyes, International Journal of Materials Science and Applications. Vol. 2, No. 2, 2013, pp. 37-42. doi: 10.11648/j.ijmsa.20130202.11
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