Template-free synthesis of a hierarchical flower-like platinum counter electrode and its application in dye-sensitized solar cells

Ziying Tang; Qunwei Tang; Jihuai Wu; Yan Li; Qin Liu; Min Zheng; Yaoming Xiao; Gentian Yue; Miaoliang Huang; Jianming Lin

doi:10.1039/C2RA20194A

Template-free synthesis of a hierarchical flower-like platinum counter electrode and its application in dye-sensitized solar cells†

Ziying Tang,^a Qunwei Tang,^a Jihuai Wu,*^a Yan Li,^a Qin Liu,^a Min Zheng,^a Yaoming Xiao,^a Gentian Yue,^a Miaoliang Huang^a and Jianming Lin^a

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^a Institute of Materials Physical Chemistry, Huaqiao University, Quanzhou, 362021, P. R. China
E-mail: jhwu@hqu.edu.cn
Fax: (+86) 595-22692229
Tel: (+86) 595-22692229

Abstract

A large-scale hierarchical flower-like platinum counter electrode was successfully prepared by a template-free route. The platinum flower is composed of numerous of petal-like platinum nanosheets with a thickness of 25–30 nm, with a significantly enhanced active surface-area and electrochemical performance in DSSCs. The DSSC based on the flower-like Pt counter electrode shows an efficiency of 7.94%, which is enhanced by 19.2% compared to that of a conventional Pt nanoparticle electrode.

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Template-free synthesis of a hierarchical flower-like platinum counter electrode and its application in dye-sensitized solar cells†

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Template-free synthesis of a hierarchical flower-like platinum counter electrode and its application in dye-sensitized solar cells

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