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ZnO Thin Film Prepared by Two-Step Electrodeposition Method for Dye-Sensitized Solar Cell

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Abstract:

Mesoporous ZnO thin film is an important part of dye-sensitized solar cells (DSSCs) due to it determines the amount of adsorbed dyes. However, small specific surface area of ZnO thin film prepared by ordinary methods restricts the increase of conversion efficiency of DSSCs. In this work we adopted two-step electrodeposition method to fabricate ZnO thin film, which increase the roughness and dyes adsorption. ZnO nanosheets with many adsorbing nanoparticles were observed by scanning electron microscope (SEM). It is noteworthy that DSSC based on two-step electrodeposition method exhibit more outstanding photoelectric performance than those based on one-step electrodeposition method, which demonstrates that two-step electrodeposition method is in favor of increasing specific surface area and adding dyes adsorption, which eventually contributes to improvement the conversion efficiency of DSSCs.

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2014 China Functional Materials Technology and Industry Forum View Preview

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Periodical:

Materials Science Forum (Volumes 809-810)

Pages:

665-671

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.809-810.665

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Online since:

December 2014

Authors:

Xiao Ping Zou*, Chuan Zhao, Cui Liu Wei

Keywords:

DSSC, Two-Step Electrodeposition Method, ZnO Thin Film

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