Influence of molecular weight of PEO on performance of quasi-solid-state dye-sensitized solar cells

被引：0
|
作者：
Xiaolin Shen
Weilin Xu
Guijie Liang
Jie Xu
Hongjun Yang
Mu Yao
机构：
[1] Xi’an Jiaotong University,School of Materials Science & Engineering
[2] Ministry of Education,Key Lab of Green Processing & Functional Textiles of New Textile Materials
[3] Wuhan University of Science & Engineering,Research Centre of New Textile Material
[4] Xi’an Polytechnic University,undefined
来源：
Journal of Wuhan University of Technology-Mater. Sci. Ed. | 2010年 / 25卷
关键词：
dye-sensitized solar cell; poly(ethylene oxide); gel electrolyte; molecular weight;
D O I：
暂无
中图分类号：
学科分类号：
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.
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页码：218 / 222
页数：4
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