Accelerated one-pot synthesis of coated magnetic nanoparticles from iron(II) as a single precursor

被引:5
|
作者
Cruz-Vargas, Jonathan [1 ]
Belmont-Bernal, Fernando [1 ]
Gabriel Vera-De la Garza, Cesar [1 ]
Perez Mazariego, Jose Luis [2 ]
Gomez Gonzalez, Raul Wayne [2 ]
Veronica Henao-Holguin, Laura [3 ]
Dario Rojas-Montoya, Ivan [4 ]
Guadarrama, Patricia [1 ]
机构
[1] Univ Nacl Autonoma Mexico, Inst Invest Mat, Lab Mat Func Organ, Circuit Exterior S-N,Apdo Postal 70-360, Ciudad De Mexico 04510, Mexico
[2] Univ Nacl Autonoma Mexico, Fac Ciencias, Ciudad De Mexico 04510, Mexico
[3] Univ Nacl Autonoma Mexico, Fac Quim, Dept Farm, Ciudad De Mexico 04510, Mexico
[4] Univ Nacl Autonoma Mexico, Fac Quim, Dept Quim Inorgan & Nucl, Ciudad De Mexico 04510, Mexico
关键词
OXIDE NANOPARTICLES; SIZE; FUNCTIONALIZATION; HYPERTHERMIA; SHAPE;
D O I
10.1039/c8nj02270d
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
In spite of the progress in synthetic methods to obtain nanoparticles, particularly magnetite either uncoated or coated, the implementation of easier, faster and reproducible protocols to obtain well-defined nanoparticles is still a challenge. In this work we present a one-pot approach to synthesize Fe3O4 nanoparticles uncoated and coated with dodecylamine (DDA), starting from a single iron precursor (FeCl2) and incorporating a non-conventional stirring regime into the procedure. The products were characterized by XRD, TEM, TGA, FT-IR and Mossbauer spectroscopy, confirming the obtaining of the target materials. The magnetic measurements showed that the coated nanoparticles (Fe3O4@DDA) exhibited a higher saturation magnetization (M-s) and smaller coercivity (H-c) than the uncoated ones. The compromise between the saturation magnetization displayed by Fe3O4@DDA nanoparticles and the ease of its synthesis shows the potential of the method to obtain materials applicable to medical therapies.
引用
收藏
页码:13107 / 13113
页数:7
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