Controllable synthesis and characterization of Ag@AgBr core-shell nanowires

被引：7
|
作者：
Liu, Xueqin [1 ]
Li, Zhen [1 ]
Li, Fei [1 ]
Qin, Qinghua [1 ]
机构：
[1] China Univ Geosci, Fac Mat Sci & Chem, Wuhan 430074, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 2012年 / 47卷 / 05期
关键词：
Nanostructures; Chemical synthesis; Electron microscopy; Optical properties; ONE-DIMENSIONAL NANOSTRUCTURES; SOL-GEL; PHOTOLUMINESCENCE PROPERTIES; NANOPARTICLES; NANOCOMPOSITE; FABRICATION; OXIDE;
D O I：
10.1016/j.materresbull.2011.10.023
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ag@AgBr core-shell nanowires have been synthesized in large quantities via a redox reaction between Ag nanowires and FeBr3 in solution at room temperature. The effect of the molar ratio of Fe:Ag on the formation and optical absorption of the Ag@AgBr core-shell nanowires was systematically studied. The results showed that Ag nanowires were converted into Ag@AgBr core-shell nanowires and finally into AgBr nanorods with the increase of the molar ratio of Fe:Ag. At the same time, the optical absorption of Ag nanowires decreased gradually and disappeared finally. In addition, the growth mechanism of the Ag@AgBr core-shell nanowires was also discussed in detail. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1285 / 1288
页数：4
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