Influence of Molecular Weight of PEO on Performance of Quasi-solid-state Dye-sensitized Solar Cells

被引：0
|
作者：
沈小林 [1 ]
机构：
[1] School of Materials Science & Engineering, Xi’an Jiaotong University
来源：
Journal of Wuhan University of Technology(Materials Science) | 2010年 / 02期
关键词：
dye-sensitized solar cell; poly(ethylene oxide); gel electrolyte; molecular weight;
D O I：
暂无
中图分类号：
TM914.4 [太阳能电池];
学科分类号：
080502 ;
摘要：
Quasi-solid-state dye-sensitized solar cells (DSCs) were prepared using gel electrolyte gelated by poly(ethylene-oxide) (PEO) with different molecular weight. With the increase in PEO molecular weight, the short circuit current densities (Jsc) increase significantly, which is related to the increase in I - diffusion due to the increase in free volume of gel electrolyte. However, only a slight increase in open voltage (Voc) is observed, which is explained by the decrease in dark current arising from the reduction of triiodide (I3-) by conduction band electrons.
引用
收藏
页码：218 / 222
页数：5
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