Decorating carbon nanotubes with Cobalt nanoparticles

被引：18
|
作者：
Dong, Zhengping [1 ]
Ma, Kun [1 ]
He, Jianguo [1 ]
Wang, Juanjuan [1 ]
Li, Rong [1 ]
Ma, Jiantai [1 ]
机构：
[1] Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China
来源：
MATERIALS LETTERS | 2008年 / 62卷 / 24期
关键词：
multiwalls carbon nanotubes; Cobalt nanoparticles; magnetic property;
D O I：
10.1016/j.matlet.2008.06.017
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A magnetic composite of muldwalls carbon nanotubes (MWNTs) decorated with Cobalt nanoparticles was synthesized successfully by a simple chemical precipitation and deoxidization method. The composite was analyzed by X-ray diffraction (XRD) and transmission electron microscopy (TEM). The pattern of XRD indicated that MWNTs and Cobalt nanoparticles coexisted in the composite. The TEM images revealed that the Cobalt nanoparticles were distributed on the surface of the MWNTs, with the size ranging from 5 to 15 mn. The hysteresis loops of the decorated MWNTs were measured by a vibrating sample magnetometer (VSM), the ferromagnetic signature emerged with the saturated magnetization of 5.8 emu/g, and the coercive of 310 Oe. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：4059 / 4061
页数：3
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