Synthesis of Iron Oxide Nanoparticles Using Isobutanol

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Abstract

Iron oxide nanoparticles were synthesized by precipitation in isobutanol with sodium hydroxide and ammonium hydroxide. The isobutanol played a role of a surfactant in the synthesis. The nanoparticles were calcined for 100 min to 5 hours in the range of 300 to 600°C. The characterization of the samples by FTIR (Fourier-transform infrared) and XRD (X-ray diffraction) confirmed the formation of γ-Fe2O3 (maghemite) from Fe3O4 (magnetite) at calcination at 300°C. The morphology and particle size were studied by SEM (scanning electron microscope). Nanoparticles in the range of 11-22 nm prepared at 0.09 M of ferrous chloride exhibited superparamagnetic properties. Nanoparticles synthesized with ferrous chloride and ammonium hydroxide at 75°C and calcined at 530°C for 2 h were α-Fe2O3 (hematite).

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Kostyukova, D., & Chung, Y. H. (2016). Synthesis of Iron Oxide Nanoparticles Using Isobutanol. Journal of Nanomaterials, 2016. https://doi.org/10.1155/2016/4982675

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