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
收藏
页码：1099 / 1102
页数：4
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