A Simple Chemical Route toward Monodisperse Iron Carbide Nanoparticles Displaying Tunable Magnetic and Unprecedented Hyperthermia Properties

被引：167
|
作者：
Meffre, Anca [1 ]
Mehdaoui, Boubker [1 ]
Kelsen, Vinciane [1 ]
Fazzini, Pier Francesco [1 ]
Carrey, Julian [1 ]
Lachaize, Sebastien [1 ]
Respaud, Marc [1 ]
Chaudret, Bruno [1 ]
机构：
[1] Univ Toulouse, INSA, Lab Phys & Chim Nano Objets, F-31077 Toulouse, France
来源：
NANO LETTERS | 2012年 / 12卷 / 09期
关键词：
Magnetic nanoparticles; iron carbides; iron; core/shell; hyperthermia; organometallic chemistry; SUPERLATTICES; STABILIZATION; SIZE; FE;
D O I：
10.1021/nl302160d
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We report a tunable organometallic synthesis of monodisperse iron carbide and core/shell iron/iron carbide nanoparticles displaying a high magnetization and good air-stability. This process based on the decomposition of Fe(CO)(5) on Fe(0) seed:, allows the control of the amount of carbon diffused and therefore the tuning of nanoparticles magnetic anisotropy. This results in unprecedented hyperthermia properties at moderate magnetic fields, in the range of medical treatments.
引用
收藏
页码：4722 / 4728
页数：7
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