Synthesis and surface modification of uniform MFe2O4 (M = Fe, Mn, and Co) nanoparticles with tunable sizes and functionalities

被引：55

作者：

Cabrera, Lourdes I. ^{[1
]}

Somoza, Alvaro ^{[2
]}

Marco, Jose F. ^{[3
]}

Serna, Carlos J. ^{[1
]}

Puerto Morales, M. ^{[1
]}

机构：

[1] CSIC, Inst Ciencia Mat Madrid, E-28049 Madrid, Spain

[2] Inst Madrileno Estudios Avanzados Nanociencia, Fac Sci Module C 9, Madrid 28049, Spain

[3] CSIC, Inst Quim Fis Rocasolano, E-28006 Madrid, Spain

来源：

JOURNAL OF NANOPARTICLE RESEARCH | 2012年 / 14卷 / 06期

关键词：

Ferrites; Nanoparticles; Thermal decomposition; IRON-OXIDE NANOPARTICLES; MAGNETIC-PROPERTIES; NANOCRYSTALS; KINETICS; EXCHANGE; COFE2O4; MEDIA; SHELL;

D O I：

10.1007/s11051-012-0873-x

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Cubic monodisperse MFe2O4 ferrite nanoparticles (M = Fe, Co, and Mn) with tunable sizes between 7 and 20 nm and a narrow size distribution have been achieved in a one step synthesis by thermal decomposition of Fe(III), Co (II), and Mn(II) oleates. These nanoparticles have been functionalized with dimercaptosuccinic acid (DMSA), 11-mercaptoundecanoic acid (MUA), and bis(carboxymethyl)(2-maleimidylethyl) ammonium 4-toluenesulfonate (MATS) to grant them aqueous stability and the possibility for further functionalization with different biomolecules. Their structural, magnetic, and colloidal properties have also been studied to determine their chemical and physical properties and the degree of stability under physiological conditions that will determine their future use in biomedical applications.

引用

页数：14

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