Spectroscopic Study of Iron Oxide Nanoparticles Synthesized Via Hydrothermal Method
Journal: Chemical Methodologies (Vol.6, No. 12)Publication Date: 2022-12-01
Authors : Ahmed B. Taha; Mohammed Sh. Essa; Bahaa T. Chiad;
Page : 977-984
Keywords : Hydrothermal; Iron oxide; XRD;
Abstract
Iron oxide nanoparticles are one of the most important materials in nanotechnology due to their unique properties in many fields. In this research, iron oxide nanoparticles are synthesized by using new homemade autoclave reactor with hydrothermal method. Many studies of iron oxide nanoparticles have been studies, including surface morphology, structural morphology, and optical studies. The XRD characteristics of the pattern show very thin peaks, indicating the nanoparticles formation with average crystallite size about 26 nm. The SEM and FE-SEM analyses reveal the formation of the nanoparticles with spherical shape and size ranging from 35 nm to 45 nm. The spherical particles are exhibiting the high levels of aggregation due to the innate tendency to the magnetic characteristics. The EDX verified that there were only percentages of oxygen and iron in the nanoparticles. The FT-IR analysis for the iron oxide showed that the absorption peaks at about 430 and 630 cm−1 are observed corresponding to stretching modes of the Fe-O bond in maghemite. Finally, the optical properties of the iron oxide sample reveal a broad absorption band area with energy band gap about (2.08 eV) which are nearly about the energy band gap of standard iron oxide which is equal to (2.2 eV). Therefore, all studies showed the autoclave reactor is a powerful tool to form iron oxide nanoparticles with a high purity and the ultra-fine particle size.
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Last modified: 2022-09-19 04:25:32