High-bendability flexible dye-sensitized solar cell with a nanoparticle-modified ZnO-nanowire electrode

被引：123
作者：
Jiang, C. Y. [1 ]
Sun, X. W. [1 ,2 ]
Tan, K. W. [1 ]
Lo, G. Q. [1 ]
Kyaw, A. K. K. [1 ]
Kwong, D. L. [1 ]
机构：
[1] ASTAR, Inst Microelect, Singapore 117685, Singapore
[2] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
来源：
APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 14期
关键词：
D O I：
10.1063/1.2905271
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report a high-bendability flexible dye-sensitized solar cell (DSSC) based on a ZnO-nanowire photoelectrode, which was fabricated on polyethylene terephtalate/indium tin oxide substrate by low-temperature hydrothermal growth. Nanowire morphology shows preferable in crack resistance due to its efficient release of bending stress. The ZnO-nanowire film can be bended to an extreme radius of 2 mm with no crack observed. Flexible DSSCs based on this kind of ZnO-nanowire photoelectrodes showed good bending stability. With a ZnO-nanoparticle modification on the nanowires, the flexible DSSC fabricated showed a much improved power conversion efficiency. Meanwhile, the good bendablility of this nanoparticle-modified nanowire electrode is maintained. The results demonstrate that high quality ZnO nanowires fabricated by the low-temperature method is promising for efficient and flexible plastic solar cells. (C) 2008 American Institute of Physics.
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