Synthesis and Characterization of Uncapped γ-Fe₂O₃ Nanoparticles Prepared by Flame Pyrolysis of Ferrocene in Ethanol

Authors: Inamdar, Shaukatali N.; Haram, Santosh K.

Source: Journal of Nanoscience and Nanotechnology, Volume 6, Number 7, July 2006 , pp. 2155-2158(4)

Publisher: American Scientific Publishers

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Abstract:

Nanoparticles of iron(III) oxide were synthesized by spontaneous combustion of ferrocene in ethanol solution using a simple spirit lamp. X-ray powder diffraction and electron diffraction analysis of the powder suggested the formation of γ-Fe₂O₃ (Maghemite phase) having lattice constant 8.3539 ± 0.0209 Å. Transmission Electron Micrograph suggested the formation of spherical particles with an average diameter of 24.7 ± 1.6 nm. A sextet with an isomeric shift of 0.328 mm s⁻¹ seen in the Mossbauer spectrum recorded at room temperature, further supports the formation of γ-Fe₂O₃. The particles were dispersed freely in the polar solvents like ethanol, dimethyl sulfoxide, and water. Infra Red spectrum gave bands at 400, 432, 565, and 638 cm⁻¹, which confirms the presence of γ-Fe₂O₃ phase.

Keywords: GAMMA-FE2O3; MAGHEMITE; NANOPARTICLES; FLAME PYROLYSIS; FERROCENE; MOSSBAUER SPECTROSCOPY

Document Type: Research article

DOI: http://dx.doi.org/10.1166/jnn.2006.357

Publication date: 2006-07-01

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