Au–Cu alloy bridged synthesis and optoelectronic properties of Au@CuInSe2 core–shell hybrid nanostructures

Qingfeng Zhang; Jian-jun Wang; Zhiyuan Jiang; Yu-Guo Guo; Li-Jun Wan; Zhaoxiong Xie; Lansun Zheng

doi:10.1039/C2JM15131F

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Au–Cu alloy bridged synthesis and optoelectronic properties of Au@CuInSe₂ core–shell hybrid nanostructures†

Qingfeng Zhang,^a Jian-jun Wang,^b Zhiyuan Jiang,*^a Yu-Guo Guo,^b Li-Jun Wan,^b Zhaoxiong Xie^a and Lansun Zheng^a

Author affiliations

* Corresponding authors

^a State Key Laboratory for Physical Chemistry of Solid Surfaces and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian, P. R. China
E-mail: zyjiang@xmu.edu.cn
Fax: +86-592-2183047

^b CAS Key Laboratory of Molecular Nanostructure and Nanotechnology and Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, P. R. China

Abstract

Based on alloying Cu with Au on the surface of Au nanoparticles (NPs) and using the Au–Cu alloy as a bridge, a multi-step colloid process was successfully developed to prepare Au@CuInSe₂ hybrid nanostructures. It has been demonstrated that the as-prepared hybrid nanostructures exhibit excellent optoelectronic properties due to the surface plasmon resonance (SPR) properties of the Au core and the coupling between the Au core and CuInSe₂ shell in the Au@CuInSe₂ core–shell nanostructure.

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Article information

DOI: https://doi.org/10.1039/C2JM15131F
Article type: Communication
Submitted: 11 Oct 2011
Accepted: 30 Nov 2011
First published: 14 Dec 2011

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J. Mater. Chem., 2012,22, 1765-1769

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Au–Cu alloy bridged synthesis and optoelectronic properties of Au@CuInSe₂ core–shell hybrid nanostructures

Q. Zhang, J. Wang, Z. Jiang, Y. Guo, L. Wan, Z. Xie and L. Zheng, J. Mater. Chem., 2012, 22, 1765 DOI: 10.1039/C2JM15131F

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Journal of Materials Chemistry