Cu2S nanowires and MnS/Cu2S nanojunctions derived from γ-MnS nanowires via selective cation-exchange reaction

被引：3
作者：
Xu, G. [1 ,2 ]
Zhu, Y. L. [1 ]
Ma, X. L. [1 ]
机构：
[1] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
[2] Shenyang Univ Technol, Sch Sci, Shenyang 110870, Peoples R China
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2011年 / 208卷 / 01期
基金：
中国国家自然科学基金;
关键词：
cation-exchange reactions; Cu2S nanowires; MnS; nanojunctions; TEM; CHEMICAL TRANSFORMATION; NANOCRYSTALS; GROWTH; NUCLEATION; MECHANISM; NANORODS; SPHERES; ROUTE;
D O I：
10.1002/pssa.201026124
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Cu2S nanowires and MnS/Cu2S junctions have been derived on the basis of gamma-MnS nanowires via cation-exchange reaction. Relationships between a selective cation exchange and the growth direction of the gamma-MnS nanowires are identified by means of transmission electron microscopy. In the case of gamma-MnS nanowires with [0001] growth direction, Cu+ exchange with an initial gamma-MnS nanowire results in a Cu2S nanowire. In contrast, for gamma-MnS nanowires with [1-100] growth direction, Cu+ exchange leads to a striped MnS/Cu2S junction. Mechanisms for this selective cation exchange are proposed. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
引用
收藏
页码：123 / 128
页数：6
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