Colloidal synthesis of wurtz-stannite Cu2CdGeS4 nanocrystals with high catalytic activity toward iodine redox couples in dye-sensitized solar cells

Shoushuang Huang; Jiantao Zai; Dui Ma; Qingquan He; Yuanyuan Liu; Qiquan Qiao; Xuefeng Qian

doi:10.1039/C6CC05163D

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Colloidal synthesis of wurtz-stannite Cu₂CdGeS₄ nanocrystals with high catalytic activity toward iodine redox couples in dye-sensitized solar cells†

Shoushuang Huang,^a Jiantao Zai,

*^a Dui Ma,^a Qingquan He,^a Yuanyuan Liu,^a Qiquan Qiao^b and Xuefeng Qian*^a

Author affiliations

* Corresponding authors

^a Shanghai Electrochemical Energy Devices Research Center, School of Chemistry and Chemical Engineering and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, P. R. China
E-mail: xfqian@sjtu.edu.cn, zaijiantao@sjtu.edu.cn

^b Center for Advanced Photovoltaics, South Dakota State University, Brookings, SD, USA
E-mail: qiquan.qiao@sdstate.edu

Abstract

Wurtz-stannite Cu₂CdGeS₄ nanocrystals were synthesized via a facile hot-injection method at a low temperature. They exhibited low charge transfer resistance at the electrolyte–electrode interface and high electrocatalytic activity for the reduction of I₃⁻ in dye-sensitized solar cells (DSSCs). Moreover, this DSSC showed a power conversion efficiency of 7.67%, comparable to the Pt-based device (7.54%).

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Article information

DOI: https://doi.org/10.1039/C6CC05163D
Article type: Communication
Submitted: 21 Jun 2016
Accepted: 01 Aug 2016
First published: 01 Aug 2016

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Chem. Commun., 2016,52, 10866-10869

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Colloidal synthesis of wurtz-stannite Cu₂CdGeS₄ nanocrystals with high catalytic activity toward iodine redox couples in dye-sensitized solar cells

S. Huang, J. Zai, D. Ma, Q. He, Y. Liu, Q. Qiao and X. Qian, Chem. Commun., 2016, 52, 10866 DOI: 10.1039/C6CC05163D

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