Synthesis and characterization of a novel magnetic carrier with its composition of Fe3O4/carbon using hydrothermal reaction

被引：176

作者：

Wang, ZF ^{[1
]}

Guo, HS ^{[1
]}

Yu, YL ^{[1
]}

He, NY ^{[1
]}

机构：

[1] Southeast Univ, State Key Lab Bioelect, Nanjing 210096, Peoples R China

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2006年 / 302卷 / 02期

基金：

中国国家自然科学基金;

关键词：

magnetic carrier; nanocomposition; hydrothernial reaction; Fe3O4/C; synthesis;

D O I：

10.1016/j.jmmm.2005.09.044

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study, a simple method to prepare a novel magnetic carrier based on carbon matrix has been built by heating the aqueous Solution of glucose and oleic acid-stabilized Fe3O4 natioparticle at 170 degrees C for 3h. The results show that the surface hydrophobic modification of FC3O4 nanoparticle is necessary for the successful synthesis of Fe3O4/C nanocomposition, and a possible formation mechanism of Fe3O4/C nanocomposition was presented. The influence of the reaction parameters such as the concentration of oleic acid-stabilized Fe3O4 nanoparticle, the reaction time, etc. on the product was also investigated. In the typical reaction (2.5 g/L of oleic acid-stabilized Fe3O4 nanoparticle, 0.5 M of glucose), Fe3O4/C nanocornpositions with the average diameter in the range 100-200 mn were obtained and its saturation is 12.4emu/g. In order to characterize Fe3O4/C nanocornpositions, XPS, XRD, FT-IR, and Mossbauer spectra were employed. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：397 / 404

页数：8

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