Facile synthesis of stable magnetic fluid using size-controlled Fe3O4 nanoparticles

被引：13

作者：

Bateer, Buhe ^{[1
,2
]}

Qu, Yang ^{[1
]}

Tian, Chungui ^{[1
]}

Du, Shichao ^{[1
]}

Ren, Zhiyu ^{[1
]}

Wang, Ruihong ^{[1
]}

Pan, Kai ^{[1
]}

Fu, Honggang ^{[1
]}

机构：

[1] Heilongjiang Univ, Minist Educ Peoples Republ China, Key Lab Funct Inorgan Mat Chem, Harbin 150080, Peoples R China

[2] Heilongjiang Inst Technol, Sch Mat & Chem Engn, Harbin 150050, Peoples R China

来源：

MATERIALS RESEARCH BULLETIN | 2014年 / 56卷

基金：

中国国家自然科学基金; 高等学校博士学科点专项科研基金;

关键词：

Magnetic materials; Nanostructures; Magnetic properties; Surface properties; MFE2O4; M; FE; CO;

D O I：

10.1016/j.materresbull.2014.04.044

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnetic fluids based on superparamagnetic, well-crystalline and mono-dispersed Fe3O4 nanoparticles are synthesized by a facile thermal decomposition method. Low-cost Fe(oleate)(3) is used as ferrous resource, and paraffin oil is introduced as solvent and carrier simultaneously. Fe3O4 nanoparticles with three kinds of different size (12, 16 and 20 nm), exhibiting different saturation magnetization of 65.51, 68.03 and 74.48 emu/g, respectively, are prepared easily by controlling the thermal decomposition time. Magnetic performance and viscosity-temperature characteristics of the magnetic fluid are also studied. It is found that the saturation magnetization of the magnetic fluid with 5% Fe3O4 mass percentage is 2.94 emu/g, which exhibits a good viscosity temperature characteristics compared with paraffin carrier. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：34 / 38

页数：5

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