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۱Effect of Hydroquinone Dderivatives in Electrolytes on Dye–Sensitized Solar Cell Performance
اطلاعات انتشار: Journal of Nano Structures، چهارم،شماره۱، ۲۰۱۴، سال
تعداد صفحات: ۸
New kinds of hydroquinone derivatives were synthesized and along with a azo dye applied as additives in the iodide\iodine redox electrolyte for dye–sensitized solar cells and their effect on the short–circuit photocurrent of dye sensitized solar cells was investigated. Addition of 0.05 M a hydroquinone derivative in the electrolyte comprising 0.5 M 1–methyl–3–propylimidazolium iodide (MPII) and 0.05 M I2 in a mixture of acetonitrile and valeronitrile (volume ratio, 85:15) enhanced significantly photocurrent density from 11.1 to 12.8 mA\cm2, and voltage increased from 0.66 to 0.68 V. As a result, overall conversion efficiency increased from 4.4% to 4.8%, corresponding to increment of 10.9%.
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