Effect of Growth Parameters on Structure of Electrooxidized Fe3O4 Magnetic Nanoparticles

Author(s): Iraj Kazeminezhad, Saba Mosivand, Mansoor Farbod.

Journal Name: Current Nanoscience

Volume 7 , Issue 5 , 2011

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In this work, the Fe3O4 magnetic nanoparticles with different shapes and average sizes of 15 to 180 nm were synthesized by an electrooxidation method, the size and shape of the particles were experimentally controlled by tuning the parameters of potential and electrolyte temperature, and its structure was conducted by XRD, forming the Fe3O4 phase. FT-IR confirmed that the stabilizer molecules can cover the particle surfaces. The resultant TEM and SEM showed that the particles have polycrystalline structure, and their size, shapes and surface morphology change dramatically under different potentials and temperatures. Also the particle size dependency was obtained by using UV-Vis spectroscopy, indicating that their maximum absorption wavelength and peak width decrease with increasing temperature and potential.

Keywords: Electrooxidation, Fe3O4 nanoparticles, Optical properties, Structural properties, SEM, TEM, UV-visible, XRDChronoamperometry technique, Electrostatic stabilization, FT-IR, Growth potential, Growth temperature, Surface Plasmon resonance

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Article Details

Year: 2011
Page: [819 - 824]
Pages: 6
DOI: 10.2174/157341311797483727
Price: $58

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