Fe3O4 nanoparticles: Microwave-assisted Synthesis and Mechanism

被引：9
|
作者：
Liu, Zhenlong [1 ]
Miao, Fei [1 ]
Hua, Wei [1 ]
Zhao, Feng [1 ]
机构：
[1] Sichuan Univ, Sch Elect & Informat Engn, Chengdu 610064, Peoples R China
来源：
MATERIALS LETTERS | 2012年 / 67卷 / 01期
关键词：
Magnetic materials; Nanoparticles; Microwave method; Finite element method; ROUTE;
D O I：
10.1016/j.matlet.2011.09.095
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The chemical mechanism for the microwave-assisted formation of Fe3O4 was clarified in present work. Microwave irradiation supplied sufficient energy for the formation of Fe3O4 because of its uneven distribution within the raw materials, as determined via the comparative heating experiment and numerical analysis (finite element method). Quantitative analysis and oil (dimethyl silicone fluid) bath comparative experiment revealed that H2O supplied an appropriate reaction environment. The Fe/Fe2O3 stoichiometric ratio in the synthetic reaction was 1:4, as determined via quantitative analysis and in accordance with the electronic conservation theory. Therefore, the mechanism for the microwave-assisted formation of Fe3O4 is Fe + 4Fe(2)O(3) -> 3Fe(3)O(4). (C) 2011 Elsevier RV. All rights reserved.
引用
收藏
页码：358 / 361
页数：4
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