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

被引：1
|
作者：
Shen Xiaolin [1 ]
Xu Weilin [2 ]
Liang Guijie [1 ]
Xu Jie [2 ]
Yang Hongjun [2 ]
Yao Mu [3 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Mat Sci & Engn, Xian 710049, Peoples R China
[2] Wuhan Univ Sci & Engn, Minist Educ, Key Lab Green Proc & Funct Text New Text Mat, Wuhan 430073, Peoples R China
[3] Xian Polytech Univ, Res Ctr New Text Mat, Xian 710049, Peoples R China
来源：
JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION | 2010年 / 25卷 / 02期
关键词：
dye-sensitized solar cell; poly(ethylene oxide); gel electrolyte; molecular weight; POLYMER GEL ELECTROLYTE; CHARGE-TRANSPORT; GELATORS;
D O I：
10.1007/s11595-010-2218-x
中图分类号：
T [工业技术];
学科分类号：
08 ;
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 (J(sc)) 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 (V(oc)) is observed, which is explained by the decrease in dark current arising from the reduction of triiodide (I(3)(-)) by conduction band electrons.
引用
收藏
页码：218 / 222
页数：5
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