Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 433, Issue 1-2, Pages 216-220Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2006.06.029
Keywords
hydrothermal; porous; alpha-FeOOH; alpha-FeO3; nanocrystallines
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Inorganic nanoparticles with controlled size and shape are technologically important due to the strong correlation between these parameters and magnetic, electrical, and catalytic properties. Herein we demonstrated that under appropriate conditions, rodlike alpha-FeOOH (goethite) and porous fusiform alpha-Fe2O3 (hematite) uniform nanocrystallines could be selectively synthesized in large quantities via a facile surfactant sodium dodecyl sulfate (SDS) assisted hydrothermal synthetic route. The morphology and structure of the final products were investigated in detail by X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), and selected area electron diffraction (SAED). The probable formation mechanism of the alpha-FeOOH and alpha-Fe2O3 uniform nanoparticles was discussed on the basis of the experimental results. (c) 2006 Elsevier B.V. All rights reserved.
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