Fast synthesis of dopamine-coated Fe3O4 nanoparticles through ligand-exchange method

被引：31

作者：

An, Peng ^{[2
,3
,4
]}

Zuo, Fang ^{[1
]}

Wu, Yuan Peng ^{[5
]}

Zhang, Jun Hua ^{[4
]}

Zheng, Zhao Hui ^{[2
]}

Ding, Xiao Bin ^{[2
]}

Peng, Yu Xing ^{[2
]}

机构：

[1] SW Univ Nationalities, Coll Chem & Environm Protect Engn, Chengdu 610041, Peoples R China

[2] Chinese Acad Sci, Chengdu Inst Organ Chem, Chengdu 610041, Peoples R China

[3] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

[4] Sichuan Univ, Polymer Res Inst, State Key Lab Polymer Mat & Engn China, Chengdu 610065, Peoples R China

[5] SW Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Peoples R China

来源：

CHINESE CHEMICAL LETTERS | 2012年 / 23卷 / 09期

基金：

中国国家自然科学基金;

关键词：

Magnetic nanoparticles; Fe3O4; Dopamine; Ligand-exchange; IRON-OXIDE NANOPARTICLES;

D O I：

10.1016/j.cclet.2012.06.039

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A fast approach was described for the synthesis of water-dispersible monodisperse dopamine-coated Fe3O4 nanoparticles (DA-Fe3O4) with uniform size and shape via ligand-exchange of oleic acid on Fe3O4 using only 2 min. The prepared DA-Fe3O4 nanoparticles were characterized by transmission electron microscopy, Fourier transform infrared spectrometry, and vibrating sample magnetometer. The results indicated that the resulting DA-Fe3O4 nanoparticles had an average diameter of about 19.2 nm. The magnetic saturation value of the prepared DA-Fe3O4 nanoparticles was determined to be 72.87 emu/g, which indicating a well-established superparamagnetic property. (C) 2012 Fang Zuo. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.

引用

页码：1099 / 1102

页数：4

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