Electron transport in nano-structured TiO2 electrodes for improvement of dye-sensitized solar cells

被引：10
|
作者：
Yanagida, S [1 ]
Kitamura, T [1 ]
Kohmoto, M [1 ]
机构：
[1] Osaka Univ, Grad Sch Engn, Suita, Osaka 5650871, Japan
来源：
ELECTROCHEMISTRY | 2002年 / 70卷 / 06期
关键词：
dye-sensitized solar cell; electron transport; nano-structured TiO2 electrode; iodide/polyiodide redox electrolyte;
D O I：
10.5796/electrochemistry.70.399
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Electron transport mechanism in nano-structured TiO2 electrodes are disclosed and discussed in view of improvement of dye-sensitized solar cells (DSC). Effective electron transport in the TiO2 electrodes is well explained by ambipolar diffusion of electrons between trap-sites on TiO2. The specific interaction of cationic species with TiO2 interfaces plays an important role in charge screening of photo-injected electrons. The effects of shallow trapping sites introduced by fluorine-ion doping are discussed.
引用
收藏
页码：399 / 401
页数：3
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