American Journal of Electrical Power and Energy Systems
Volume 9, Issue 4, July 2020, Pages: 60-66
Received: Jul. 7, 2020;
Accepted: Jul. 22, 2020;
Published: Aug. 19, 2020
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Afshana Afroj Bristi, Department of Chemistry, Jahangirnagar University, Savar, Dhaka, Bangladesh
S. M. Jahadun-Nobi, Department of EEE, Noakhali Science and Technology University, Sonapur, Noakhali, Bangladesh
Md Nurul Abser, Department of Chemistry, Jahangirnagar University, Savar, Dhaka, Bangladesh
Md Mehadi Hassan, Department of Chemical and Petroleum Engineering, University of Calgary, AB, Canada; Department of Arts and Sciences, Bangladesh Army University of Science and Technology, Saidpur, Nilphamari, Bangladesh
Dye-sensitized solar cells (DSSCs) enticed the attention in photovoltaic design due to their unique features of ease of fabrication, low-cost materials, tunable color, and flexibility. In this work, we studied the performance of a low cost dye-sensitized solar cell structure with several natural dyes as a sensitizer. Titanium dioxide (TiO2) was used as the semiconducting layer. The TiO2 film was fabricated on Florine doped Tin Oxide (FTO) glass plate and was annealed and sintered for an hour at 450°C temperature to create a mesoporous layer. To reduce the manufacturing cost, we used Carbon black instead of Platinum (Pt) as a counter electrode. Carbon black provides excellent stability and shows high catalytic ability along with its low cost as the counter electrode in the DSSCs. Eight different dyes have been extracted and purified by Silica gel column chromatography to use in the DSSCs. UV-Visible absorption spectroscopy and fluorescence spectroscopy has been done to measure the absorbance coefficient and fluorescence coefficient of each of the cells. The cells with an additional peak in the fluorescence spectra showed much better electrical performance compared with others. Among the fabricated DSSCs, the Curcuma longa based DSSC gives the highest open-circuit voltage of 0.5959 V and short circuit current density of 1.06 mA/cm2. The study also indicates that the dyes with a peak at 380 nm to 400 nm wavelength at fluorescence spectrum has better photovoltaic performance rather with a moderate absorbance spectrum.
Afshana Afroj Bristi,
S. M. Jahadun-Nobi,
Md Nurul Abser,
Md Mehadi Hassan,
Performance Comparison of Cost Efficient Natural Dye Sensitized Solar Cell, American Journal of Electrical Power and Energy Systems.
Vol. 9, No. 4,
2020, pp. 60-66.
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