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Preparation and characterization of magnetite (Fe3O4) nanoparticles by sol-gel method

I. Takai, Zakiyyu and Mustafa, Mohd Kamarulzaki and Asman, Saliza and A. Sekak, Khairunnadim (2019) Preparation and characterization of magnetite (Fe3O4) nanoparticles by sol-gel method. Journal of Human Development and Communication, 12 (1). pp. 37-46. ISSN 22321535

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Abstract

The magnetite (Fe3O4) nanoparticles were successfully synthesized and annealed under vacuum at different temperature. The Fe3O4 nanoparticles prepared via sol-gel assisted method and annealed at 200-400ºC were characterized by Fourier Transformation Infrared Spectroscopy (FTIR), X-ray Diffraction spectra (XRD), Field Emission Scanning Electron Microscope (FESEM) and Atomic Force Microscopy (AFM). The XRD result indicate the presence of Fe3O4 nanoparticles, and the Scherer`s Formula calculated the mean particles size in range of 2-25 nm. The FESEM result shows that the morphologies of the particles annealed at 400ºC are more spherical and partially agglomerated, while the EDS result indicates the presence of Fe3O4 by showing Fe-O group of elements. AFM analyzed the 3D and roughness of the sample; the Fe3O4 nanoparticles have a minimum diameter of 79.04 nm, which is in agreement with FESEM result. In many cases, the synthesis of Fe3O4 nanoparticles using FeCl3 and FeCl2 has not been achieved, according to some literatures, but this research was able to obtained Fe3O4 nanoparticles base on the characterization results.

Item Type: Article
Uncontrolled Keywords: Sol-gel method; magnetite nanoparticles; particles size; morphologies; XRD
Subjects: Q Science > QC Physics
Depositing User: Mr Abdul Rahim Mat Radzuan
Date Deposited: 31 Oct 2019 02:39
Last Modified: 31 Oct 2019 02:39
URI: http://eprints.uthm.edu.my/id/eprint/11826
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