Citation: WANG Dan, LIU Chuan-Yong, LONG Yue, SONG Kai, HUANG Wei. A Time-Saving Method to Prepare Monodisperse Fe₃O₄ Microspheres with Controllable Sizes and Morphologies[J]. Acta Physico-Chimica Sinica, ;2017, 33(11): 2310-2316. doi: 10.3866/PKU.WHXB201706093 shu

A Time-Saving Method to Prepare Monodisperse Fe₃O₄ Microspheres with Controllable Sizes and Morphologies

WANG Dan ^1,3, ,
LIU Chuan-Yong ² ,
LONG Yue ³ ,
SONG Kai ³ ,
HUANG Wei ¹

1.
Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials(IAM), Jiangsu National Synergetic Innovation Centre for Advanced Materials(SICAM), Nanjing University of Posts & Telecommunications, Nanjing 210023, P. R. China;
2.
Beijing National Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China;
3.
Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China

Received Date: 18 April 2017
Revised Date: 29 May 2017

Fund Project: The project was supported by the National Natural Science Foundation of China (U1430128).

Monodisperse Fe₃O₄ microspheres with tunable diameters and high magnetic saturation were synthesized by a solvothermal reduction method. It was found that the morphology and structure of the Fe₃O₄ microspheres could be tuned by simply altering the amount of the reactants such as ferric chloride, sodium acetate, water, and the reaction time. The Fe₃O₄ microspheres obtained via this method possessed high purity, crystallinity, and a nearly spherical shape. Furthermore, they were monodispersed and no aggregation was found. Such monodisperse Fe₃O₄ microspheres had tunable diameters of 400-700 nm and the fabrication time was only 2-4 h. The products showed high magnetic saturation values, and their yields were typically more than 94%.
- Monodisperse Fe₃O₄ microspheres,
- Solvothermal,
- Time-saving,
- Tunable
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A Time-Saving Method to Prepare Monodisperse Fe₃O₄ Microspheres with Controllable Sizes and Morphologies