Journal
ELECTROCHIMICA ACTA
Volume 51, Issue 20, Pages 4243-4249Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2005.11.047
Keywords
quasi-solid state dye-sensitized solar cells; gel polymer electrolyte; N-methyl pyridine iodide; poly(acrylonitrile-co-styrene); ionic conductivity
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A gel polymer electrolyte based on poly(acrylonitrile-co-styrene) as polymer matrix and N-methyl pyridine iodide salt as I- source was prepared. Controlling the concentration of polymer matrix of poly(acrylonitrile-co-styrene) at 17.5 wt.%, mixing the binary organic solvents mixture ethylene carbonate and propylene carbonate with 6:4 (w/w), and the concentration of N-methyl pyridine iodide and iodine with 0.5 and 0.05 M, respectively, the gel polymer electrolyte attains the maximum ionic conductivity (at 30 degrees C) of 4.63 mS cm(-1). Based on the gel polymer electrolyte, a quasi-solid state dye-sensitized solar cell was fabricated and its overall energy conversion efficiency of light-to-electricity of 3.10% was achieved under irradiation of 100 mW cm(-2). (c) 2005 Elsevier Ltd. All rights reserved.
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