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A Study on the Organic/inorganic Composite Electrolyte Membranes for Dye Sensitized Solar Cell  

Koo, Ja-Kyung (Department of Applied Chemical Engineering, Korea University of Technology and Education)
Choi, Mi-Jung (Department of Applied Chemical Engineering, Korea University of Technology and Education)
Shin, Chun-Hwa (Department of Applied Chemical Engineering, Korea University of Technology and Education)
Kang, Tae-Un (Department of Applied Chemical Engineering, Korea University of Technology and Education)
Cho, Nam-Jun (Department of Applied Chemical Engineering, Korea University of Technology and Education)
Publication Information
Membrane Journal / v.18, no.4, 2008 , pp. 345-353 More about this Journal
Abstract
Organic/inorganic composite electrolyte membranes were prepared for dye sensitized solar cell (DSSC). Polyethylene Glycol (PEG)s with various molecular weight (400, 600, 1,500 and 3,400) was ethoxysilated to fabricate organic/inorganic composite materials through sol-gel processes. The electrolyte membranes were produced by doping the composite materials with NaI and $I_2$, and their ionic conducting behavior was investigated. The ionic conductivity of the composite electrolyte was highly affected by the PEG molecular weight, and the highest conductivity was shown by the composite membrane prepared with PEG with the molecular weight of 1,500. The composite electrolyte membranes showed considerable improvement of ionic conductivity. Compared to PEO electrolyte membranes, the composite electrolyte membrane prepared by PEG, MW 1,500, showed much higher ionic conductivity.
Keywords
organic/inorganic composite; sol-gel; electrolyte membrane; $NaI/I_2$; ionic conductivity;
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Times Cited By KSCI : 4  (Citation Analysis)
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