Electrochemical fabrication of ordered Ag2S nanowire arrays

被引：42

作者：

Peng, XS ^{[1
]}

Meng, GW ^{[1
]}

Zhang, J ^{[1
]}

Wang, XR ^{[1
]}

Zhao, LX ^{[1
]}

Wang, YW ^{[1
]}

Zhang, LD ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Solid State Phys, Hefei 230031, Peoples R China

来源：

MATERIALS RESEARCH BULLETIN | 2002年 / 37卷 / 07期

关键词：

nanostructures; crystal growth; electron microscopy; X-ray diffraction; crystal structure;

D O I：

10.1016/S0025-5408(02)00768-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have successfully fabricated ordered crystalline Ag2S nanowire arrays by direct current electrodeposition into the nanochannels of porous anodic aluminum oxide templates from a dimethylsulfoxide solution containing AgNO3 and elemental S. X-ray diffraction and the selected area electron diffraction investigations demonstrate that the Ag2S nanowires are a uniform actanthite structure. Electromicroscopy results show that the nanowires are quite ordered with diameters of about 40 nm and lengths up to 5 mum. X-ray energy dispersion analysis indicates that the atomic composition of Ag and S is very close to a 2:1 stoichiometry. Furthermore, a possible mechanism for the formation of the Ag2S nanowires is proposed. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：1369 / 1375

页数：7

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