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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