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Proceedings Paper

Structure design of nano-TiO2 electrode in dye-sensitized solar cells
Author(s): Ning Cai; Ying Zhao; Changchun Wei; Jian Sun; Shaozhen Xiong
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Paper Abstract

In dye-sensitized solar cells (DSSCs), the physical properties and microstructure of nano-titanium dioxide film electrode are the key factors to influence the photo-electric characters greatly and they are also determined by the preparation techniques. A new electrode of double-layer TiO2 with different structure was designed and prepared by spin-coating and screen-printing techniques alternately. Such two types of layers have different contribution to the photo-electric conversion functions. Compact TiO2 film made by spin-coating only absorbs little dyes, but it works as a barrier layer between ITO and electrolyte. The porous TiO2 film made by screen-printing will absorb more dyes, and results in higher photocurrent. At the end, the effect of the compact layer on I-V properties of the DSSCs was discussed.

Paper Details

Date Published: 4 January 2008
PDF: 6 pages
Proc. SPIE 6841, Solid State Lighting and Solar Energy Technologies, 68411Q (4 January 2008); doi: 10.1117/12.759573
Show Author Affiliations
Ning Cai, Nankai Univ. (China)
Ying Zhao, Nankai Univ. (China)
Changchun Wei, Nankai Univ. (China)
Jian Sun, Nankai Univ. (China)
Shaozhen Xiong, Nankai Univ. (China)

Published in SPIE Proceedings Vol. 6841:
Solid State Lighting and Solar Energy Technologies
Jinmin Li; Yuwen Zhao; Nuofu Chen; Ling Wu; Yubo Fan; Vladimir M. Andreev; Yong-Hang Zhang; Jai Singh; Michael E. Coltrin, Editor(s)

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