Facile synthesis and characterization of CuInS2 nanocrystals with different structures and shapes

Zhongping Liu; Linlin Wang; Qiaoyan Hao; Dake Wang; Kaibin Tang; Ming Zuo; Qing Yang

doi:10.1039/C3CE40631H

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Facile synthesis and characterization of CuInS₂nanocrystals with different structures and shapes†

Zhongping Liu,^a Linlin Wang,^a Qiaoyan Hao,^a Dake Wang,^a Kaibin Tang,*^a Ming Zuo^a and Qing Yang^a

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* Corresponding authors

^a Division of Nanomaterials and Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China, Hefei, P. R. China
E-mail: kbtang@ustc.edu.cn
Fax: +86-551-63607402
Tel: +86-551-63601791

Abstract

CuInS₂ nanocrystals were synthesized by one-pot thermolysis of a mixture solution of metal chlorides, 1-dodecanethiol (DT) and oleic acid in noncoordinating solvent 1-octadecene. Interestingly, in this synthesis, different structures and shapes were obtained by simply varying the dosage of DT. At a low dosage of DT, wurtzite nanoplates formed in the initial reaction stage and then they further grew to nanoplates with wurtzite–zincblende polytypism as the reaction proceeded. On the contrary, a high dosage of DT produced zincblende nanoparticles. The formation processes of nanoplates and nanoparticles were studied and a growth mechanism was proposed. Our research will aid in solution-synthesis of ternary chalcogenide nanocrystals and the development of their optoelectronic devices.

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Article information

DOI: https://doi.org/10.1039/C3CE40631H
Article type: Paper
Submitted: 12 Apr 2013
Accepted: 05 Jul 2013
First published: 08 Jul 2013

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CrystEngComm, 2013,15, 7192-7198

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Facile synthesis and characterization of CuInS₂ nanocrystals with different structures and shapes

Z. Liu, L. Wang, Q. Hao, D. Wang, K. Tang, M. Zuo and Q. Yang, CrystEngComm, 2013, 15, 7192 DOI: 10.1039/C3CE40631H

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