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Effect of Plasticizer on Electrolyte Membranes for Dye Sensitized Solar Cells  

Cho, Doo-Hyun (Department of Applied Chemical Engineering, Korea University of Technology and Education)
Jung, Yoo-Young (Department of Applied Chemical Engineering, Korea University of Technology and Education)
Yun, Mi-Hye (Department of Applied Chemical Engineering, Korea University of Technology and Education)
Kwon, So-Young (Department of Applied Chemical Engineering, Korea University of Technology and Education)
Koo, Ja-Kyung (Department of Applied Chemical Engineering, Korea University of Technology and Education)
Publication Information
Membrane Journal / v.20, no.1, 2010 , pp. 13-20 More about this Journal
Abstract
Using poly(ethylene oxide) (PEO) as a polymer host, poly(ethylene glycol) (PEG) as a plasticizer, potassium iodide and iodine as sources of $I^-/{I_3}^-$ PEO-PEG-KI/$I_2$ polymer gel electrolytes were prepared. Based on the polymer gel electrolytes, solid-state dye-sensitized solar cell(DSSC)s were fabricated. The content of PEG in the electrolyte was changed from 0 to 85%. The electrolyte showed self-supporting form through whole range of the PEG content. As the PEG content increased, the ionic conductivity and ${I_3}^-$ diffusivity increased and the light-to electrical energy conversion efficiency increased under irradiation of 100 $mWcm^{-2}$ simulated sunlight.
Keywords
DSSC; electrolyte; plasticizer; polymer; conductivity;
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Times Cited By KSCI : 4  (Citation Analysis)
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