Investigation of the Dynamic Processes in Dye-sensitized Solar Cells Based on Capability of Counter Electrode

被引：1
作者：
Xi Xiao-Wang [1 ,2 ]
Kou Dong-Xing [1 ]
Hu Lin-Hua [1 ]
Dai Song-Yuan [1 ]
机构：
[1] Chinese Acad Sci, Key Lab Novel Thin Film Solar Cells, Inst Plasma Phys, Hefei 230031, Peoples R China
[2] Wuxi Inst Technol, Coll Mech & Elect Technol, Wuxi 214121, Peoples R China
来源：
CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE | 2013年 / 34卷 / 01期
关键词：
Dye-sensitized solar cell; Counter electrode; Interface dynamic; NANOPOROUS TIO2 FILMS; PERFORMANCE; CARBON; TEMPERATURE; CATHODE;
D O I：
10.7503/cjcu20120275
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The charge transfer dynamic processes in dye-sensitized solar cells (DSC) with a TiO2 porous counter electrode was investigated by electrochemistry impedance spectrum(EIS) and intensity-modulated photocurrent spectroscopy (IMPS)/intensity-modulated photovoltage spectroscopy (IMVS). The relationship between several dominating charge transfer processes in DSC was discussed. The effect mechanism of different counter electrode materials on short-circuit current density (J(sc)) and fill factors (FF) were analysed by equivalent circuit. It is found that, the electron transport process in TiO2 anode is seriously limited by a bad counter electrode material. The capability of counter electrode is mainly determined by the activity of catalyzer, the conductance of the carrier material and the effective contact area.
引用
收藏
页码：175 / 179
页数：5
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