Citation: Chun Yu Wang, Jian Ming Hong, Gong Chen, Yu Zhang, Ning Gu. Facile method to synthesize oleic acid-capped magnetite nanoparticles[J]. Chinese Chemical Letters, ;2010, 21(2): 179-182. doi: 10.1016/j.cclet.2009.10.024 shu

Facile method to synthesize oleic acid-capped magnetite nanoparticles

Chun Yu Wang ^a,b,c, ,
Jian Ming Hong ^d ,
Gong Chen ^e ,
Yu Zhang ^a,b ,
Ning Gu ^a,b

a State Key Laboratory of Bioelectronics, Southeast University, Nanjing 210096, China;
b Jiangsu Key Laboratory for Biomaterials and Devices, Southeast University, Nanjing 210096, China;
c School of Chemistry and Chemical Engineering, Southeast University, Nanjing 210096, China;
d Center of Materials Analysis, Nanjing University, Nanjing 210096, China;
e Affiliated Hospital of Nanjing University of TCM, Nanjing 210029, China

Received Date: 16 July 2009

Fund Project: This work was supported by the National Natural Science Foundation of China (No. 30870679 and 30970787) and National Basic Research Program of China (No. 2006CB933206 and 2006CB705606).

We described a simple one-step process for the synthesis of oleic acid-capped magnetite nanoparticles using the dimethyl sulfoxide(DMSO)to oxidize the precursor Fe²⁺ at 140℃.By adjusting the alkalinity of the reaction system,magnetite nanoparticles with two sizes of 4 and 7 nm could be easily achieved.And the magnetite nanoparticles coated by oleate were well-monodispersed in organic solvent.
- Magnetite nanopartieles,
- Monodisperse,
- Synthesis
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