Application of microporous polyaniline counter electrode for dye-sensitized solar cells

被引:453
|
作者
Li, Qinghua [1 ]
Wu, Jihuai [1 ]
Tang, Qunwei [1 ]
Lan, Zhang [1 ]
Li, Pinjiang [1 ]
Lin, Jianming [1 ]
Fan, Leqing [1 ]
机构
[1] Huaqiao Univ, Inst Mat Phys Chem, Fengze Area, Quanzhou 362021, Fujian, Peoples R China
关键词
dye-sensitized solar cells; polyaniline; counter electrode; microporousity; cyclic voltammogram;
D O I
10.1016/j.elecom.2008.06.029
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
An inexpensive microporous polyaniline (PANI) is used as a substitute for platinum to construct the counter electrode in dye-sensitized solar cells (DSSCs). The PANI counter electrode with microporosity and a size diameter of about 100 nm possesses lower charge-transfer resistance and higher electrocatalytic activity for the I-3(-)/I- redox reaction than Pt electrode does. The overall energy conversion efficiency of the DSSC with PANI counter electrode reaches 7.15%, which is higher than that of the DSSC with Pt counter electrode. The excellent photoelectric properties, simple preparation procedure and inexpensive cost allow PANI electrode to be a credible alternative for DSSCs. (C) 2008 Published by Elsevier B.V.
引用
收藏
页码:1299 / 1302
页数:4
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