The Influence of NaOH Concentration on the Performance of ZnO by a Hydrothermal Process

Zonghu Xiao; Shun Jian Xu; Yong Ping Luo; Yong Huang; Wei Zhong; Hui Ou

doi:10.4028/www.scientific.net/AMM.521.563

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 521The Influence of NaOH Concentration on the...

The Influence of NaOH Concentration on the Performance of ZnO by a Hydrothermal Process

Abstract:

Zinc oxide (ZnO) with various morphologies have been successfully prepared by a hydrothermal process from zinc acetate (Zn (CH₃COO)₂) and sodium hydroxide (NaOH) solution. The influence of NaOH concentration on the morphology of ZnO was investigated. And ZnO with various morphologies were applied in dye-sensitized solar cells (DSCs) as the photoelectrodes. Results show that the c-axis preferred growth of ZnO is becoming increasingly obvious with the increase of NaOH concentration. There are a lof of differences in the photovoltaic performances of DSCs, which are based on ZnO with various morphologies as the photoelectrodes. DSC consisted of ZnO nanoparticles has optimal performances, the corresponding short circuit photocurrent density (J_sc), open circuit voltage (V_oc), fill factor (FF) and photoelectric conversion efficiency (η) are 3.97 mA/cm², 0.653 V,0.59 and 1.52 %, respectively.

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Periodical:

Applied Mechanics and Materials (Volume 521)

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563-566

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.521.563

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Online since:

February 2014

Authors:

Zonghu Xiao*, Shun Jian Xu, Yong Ping Luo, Yong Huang, Wei Zhong, Hui Ou

Keywords:

Dye-Sensitized Solar Cell, Hydrothermal Process, NaOH, Photovoltaic Performances, ZNO

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