Fabrication of hollow spheres self-assembled by magnetic Co nanoparticles

被引：11

作者：

Yang, Bo ^{[1
]}

Nan, Zhaodong ^{[1
]}

机构：

[1] Yang Zhou Univ, Coll Chem & Chem Engn, Yangzhou 225002, Peoples R China

来源：

MATERIALS LETTERS | 2012年 / 87卷

关键词：

Nanoparticles; Magnetic materials; Hollow sphere-like structure; Sodium bis-2-ethylhexyl-sulfosuccinate (AOT); TEMPLATE; WATER;

D O I：

10.1016/j.matlet.2012.07.107

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A core-shell structure of stable cobalt (Co) nanosized particles (NPs) was synthesized, in which the core was hcp Co and the shell was amorphous Co. An anionic surfactant, sodium bis-2-ethylhexyl-sulfosuccinate (AOT), was used as a template. Hollow sphere-like structures were obtained. These structures were self-assembled by the core-shell structure of magnetic Co NPs. Magnetic properties of the sample were studied by using VSM. A novel result was obtained in which these hollow sphere-like structures with small surface areas exhibited excellent water treatment performance for organic dyes, such as methyl orange. The maximum adsorption capacity was calculated to be 193.3 mg/g, which is higher than that of the samples reported in our previous study with higher BET surface area. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：162 / 164

页数：3