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Application Of Polymer Gel Electrolyte With Graphite Powder In Quasi-solid-state Dye-sensitized Solar Cells
Published 2009 · Materials Science
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A polymer gel electrolyte with ionic conductivity of 5.11 mS cm−1 was prepared by using poly (acrylonitrile-co-styrene) as polymer matrix, acetonitrile and tetrahydrofuran as binary organic mixture solvent, NaI + I2 as electrolyte, graphite powder and 1-methylimidazole as additives. The components ratio of the polymer gel electrolyte was optimized, and the influence of the components and temperature on the ionic conductivity of the polymer gel electrolyte and photoelectronic properties of dye sensitized solar cell were investigated. On the basis of the polymer gel electrolyte with the optimized conditions, a quasi-solid-state dye-sensitized solar cell was fabricated and its light- to-electricity energy conversion efficiency of 3.25% was achieved under irradiation of 100 mW cm−2. POLYM. COMPOS., 2009. © 2008 Society of Plastics Engineers