Superparamagnetic magnetite colloidal nanocrystal clusters

被引:939
作者
Ge, Jianping
Hu, Yongxing
Biasini, Maurizio
Beyermann, Ward P.
Yin, Yadong [1 ]
机构
[1] Univ Calif Riverside, Dept Chem, Riverside, CA 92521 USA
[2] Univ Calif Riverside, Dept Phys & Astron, Riverside, CA 92521 USA
关键词
colloids; crystal growth; magnetic properties; nanostructures; oxides;
D O I
10.1002/anie.200700197
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(Chemical Equation Presented) High-temperature hydrolysis of FeCl 3 in the presence of a surfactant gives mono-disperse superparamagnetic colloidal nanocrystal clusters (CNCs) of magnetite with tunable sizes (30-180 nm; see scheme). The combination of superparamagnetism, high magnetization, and high water dispersibility makes these CNCs ideal candidates for applications such as drug delivery and bioseparation. © 2007 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:4342 / 4345
页数:4
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