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http://hdl.handle.net/20.500.12358/21480
TitleDye-Sensitized Solar Cells Using TiO2 as a Semiconducting Layer
Title in Arabicالخلايا الشمسية ذات الاصباغ باستخدام ثاني اكسيد التيتانيوم كطبقة شبه موصلة
Abstract

The dye-sensitized solar cell (DSSC) is one of the photochemical electric cells, which consists of the photoelectrode, the dye, the electrolyte, and the counter electrode. The advantage of DSSCs is the low cost of the solar energy conversion into electricity because of inexpensive materials and the relative ease of the fabrication processes. In this work, DSSCs were prepared using TiO2 as a semiconducting layer with twenty natural and eight chemical dyes. Thin films of TiO2 were spread on transparent conducting FTO coated glass using doctor blade method. The absorption spectra of all dyes were performed. The J-V characteristic curves of the fabricated cells were measured and studied at different light intensities. All photovoltaic parameters of the cells were presented. The results revealed that the extract of Mirabelle plums and Eosin Y lead to the highest efficiency. Impedance spectroscopy was measured for three cells with natural dyes and the equivalent circuit was found. The Ziziphus jujuba is the best natural dye were use, has values Jsc of 3.90 mA/cm2 , Voc of 0.661 V , Pmax=1.239 mW, F.F =0.480, and η = 1.032%. The best performance was obtained for cell dyed with chemical dye Eosin Y which has the following results, Jsc = 1.23 mA/cm2, Voc=0.63 V, Pmax= 0.44 mW/cm2, F.F=0.52, and η =0.34%.

Authors
El-refi, Kamal S.
Supervisors
Taya, Sofyan A.
El-agez, Taher M.
Typeرسالة ماجستير
Date2013
LanguageEnglish
Publisherالجامعة الإسلامية - غزة
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  • PhD and MSc Theses- Faculty of Science [445]
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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

Contact Us | Send Feedback