Biomolecule-assisted synthesis of copper indium sulfide microspheres with nanosheets

被引：25

作者：

Cai Wen ^{[1
]}

Xiang Weidong ^{[1
,2
]}

Wang Juanjuan ^{[1
]}

Wang Xiaoming ^{[1
]}

Zhong Jiasong ^{[2
]}

Liu Lijun ^{[2
]}

机构：

[1] Tongji Univ, Dept Mat Sci & Engn, Shanghai 200092, Peoples R China

[2] Wenzhou Univ, Dept Chem & Mat Engn, Wenzhou 325035, Peoples R China

来源：

MATERIALS LETTERS | 2009年 / 63卷 / 28期

基金：

中国国家自然科学基金;

关键词：

Solvothermal; Semiconductor; Nanomaterials; Copper indium sulfide; L-Cysteine; NANOPARTICLES;

D O I：

10.1016/j.matlet.2009.08.050

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Copper indium sulfide product was successfully synthesized via a mild solvothermal approach involving CuCl2 center dot 2H(2)O as the copper source, InCl3 as the indium source, L-cysteine as the sulfur source and N,N-dimethylformamide as the reaction medium respectively at 200 degrees C for 12 h. Morphology. structure, and phase constituents of the as-prepared CuInS2 powders were characterized by XRD, FE-SEM. XPS, and TEM (HRTEM). Results showed that the synthesized powder consists of microspheres made up of nanosheets and the thickness of the CuInS2 nanosheets was found to vary from 50 to 100 nm. A possible formation mechanism was put forward and briefly discussed. The proposed solvothermal method using L-cysteine as the sulfur source offers a potential alternative avenue to prepare other ternary semiconductor nanomaterials. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：2495 / 2498

页数：4

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