Size-controlled synthesis of magnetite nanoparticles

被引：2404
|
作者：
Sun, SH [1 ]
Zeng, H [1 ]
机构：
[1] IBM Corp, Thomas J Watson Res Ctr, Yorktown Hts, NY 10598 USA
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2002年 / 124卷 / 28期
关键词：
D O I：
10.1021/ja026501x
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Monodisperse magnetite nanoparticles have been synthesized by high-temperature solution-phase reaction of Fe(acac)3 in phenyl ether with alcohol, oleic acid, and oleylamine. Seed-mediated growth is used to control Fe3O4 nanoparticle size, and variously sized nanoparticles from 3 to 20 nm have been produced. The as-synthesized Fe3O4 nanoparticles have inverse spinel structure, and their assemblies canbe transformed into γ-Fe2O3 or α-Fe nanoparticle assemblies, depending on the annealing conditions. The reported procedure can be used as a general approach to various ferrite nanoparticles and nanoparticle superlattices. Copyright © 2002 American Chemical Society.
引用
收藏
页码：8204 / 8205
页数：2
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