Composition-tunable Cu2(Ge1−x,Snx)(S3−y,Sey) colloidal nanocrystals: synthesis and characterization

Yihui Wu; Bin Zhou; Mingrun Li; Chi Yang; Wen-Hua Zhang; Can Li

doi:10.1039/C4CC06071G

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Composition-tunable Cu₂(Ge_1−x,Sn_x)(S_3−y,Se_y) colloidal nanocrystals: synthesis and characterization†

Yihui Wu,‡^a Bin Zhou,‡^a Mingrun Li,^a Chi Yang,^ab Wen-Hua Zhang*^a and Can Li*^a

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* Corresponding authors

^a State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian National Laboratory for Clean Energy, Dalian 116023, China
E-mail: whzhang@dicp.ac.cn, canli@dicp.ac.cn

^b Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China

Abstract

A facile colloidal approach was developed to prepare cubic Cu₂(Ge_1−x,Sn_x)(S_3−y,Se_y) nanocrystals (NCs) (0 ≤ x ≤ 1, 0 ≤ y ≤ 3). The band gaps of the NCs can be tuned in the range of 1.35–2.45 eV by varying the chemical compositions, and the NCs display promising applications in solar energy utilization.

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Article information

DOI: https://doi.org/10.1039/C4CC06071G
Article type: Communication
Submitted: 04 Aug 2014
Accepted: 26 Aug 2014
First published: 01 Sep 2014

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Chem. Commun., 2014,50, 12738-12741

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Composition-tunable Cu₂(Ge_1−x,Sn_x)(S_3−y,Se_y) colloidal nanocrystals: synthesis and characterization

Y. Wu, B. Zhou, M. Li, C. Yang, W. Zhang and C. Li, Chem. Commun., 2014, 50, 12738 DOI: 10.1039/C4CC06071G

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