Phosphine-free synthesis of heavy Co2+- and Fe2+-doped Cu2SnSe3 nanocrystals by virtue of alkylthiol-assistant Se powder dissolution

Yi Liu; Dong Yao; Shiyu Yao; Jing Zhao; Hao Zhang; Wenjing Tian; Bai Yang

doi:10.1039/C3TA01391J

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Phosphine-free synthesis of heavy Co²⁺- and Fe²⁺-doped Cu₂SnSe₃nanocrystals by virtue of alkylthiol-assistant Se powder dissolution†

Yi Liu,^a Dong Yao,^a Shiyu Yao,^a Jing Zhao,^a Hao Zhang,*^a Wenjing Tian^a and Bai Yang^a

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* Corresponding authors

^a State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, P.R. China
E-mail: hao_zhang@jlu.edu.cn
Fax: +86 431 85193423
Tel: +86 431 85159205

Abstract

We demonstrate a phosphine-free method to synthesize heavy Co²⁺- and Fe²⁺-doped Cu₂SnSe₃ nanocrystals (NCs) by virtue of alkylthiol-assistant Se powder dissolution in organic solvents. The as-synthesized NCs exhibit a promising increase in photocurrent under AM1.5 illumination. Since the current method is simple and convenient it holds promise for facilitating the progress in photovoltaic devices from Cu-based NCs.

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Article information

DOI: https://doi.org/10.1039/C3TA01391J
Article type: Communication
Submitted: 26 Sep 2012
Accepted: 09 Jan 2013
First published: 09 Jan 2013

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J. Mater. Chem. A, 2013,1, 2748-2751

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Phosphine-free synthesis of heavy Co²⁺- and Fe²⁺-doped Cu₂SnSe₃ nanocrystals by virtue of alkylthiol-assistant Se powder dissolution

Y. Liu, D. Yao, S. Yao, J. Zhao, H. Zhang, W. Tian and B. Yang, J. Mater. Chem. A, 2013, 1, 2748 DOI: 10.1039/C3TA01391J

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Journal of Materials Chemistry A