Effect of anodic TiO2 powder as additive on electron transport properties in nanocrystalline TiO2 dye-sensitized solar cells

被引：40

作者：

Lin, Chin-Jung

Yu, Wen-Yueh

Chien, Shu-Hua ^{[1
]}

机构：

[1] Acad Sinica, Inst Chem, Taipei 11529, Taiwan

[2] Natl Taiwan Univ, Dept Chem, Taipei 10617, Taiwan

来源：

APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 23期

关键词：

D O I：

10.1063/1.2823604

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Highly crystalline anodic TiO2 (AO-TiO2) powder was obtained by grinding of annealed TiO2 nanotube arrays grown using anodization of Ti foil. The influence of AO-TiO2 as additive in nanocrystalline TiO2 film on electron transport properties affecting the performance of these dye-sensitized solar cell was investigated using electrochemical impedance spectroscopy and the open-circuit voltage decay technique under AM 1.5 illumination. As a result of the enhanced charge-collection and light harvesting efficiencies, an increase of above 20% in photocurrent density was observed after the addition of AO-TiO2. (c) 2007 American Institute of Physics.

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页数：3

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