This article presents a simple and fast method to synthesize metal fluorides such as FeF 2 , CoF 2 , ZnF 2 , LaF 3 , YF 3 , SrF 2 , and metal oxide Fe 2 O 3 having different morphologies. The synthesis is carried out in an ionic liquid solvent using a domestic microwave oven. The products are characterized with the help of an X-ray diffraction method. The different morphologies of the products are studied with the help of a high-resolution transmission electron microscope and a high-resolution scanning electron microscope. The change in the oxidation state of the reactant Fe(III) to the product Fe(II) is confirmed through Mo ¨ssbauer studies. The presence of carbon and its application as a reducing agent is illustrated by Raman spectroscopy.
The described method is simple and fast. The compounds (II), (III), (V), and (VII) are synthesized in high yield (80-95%) using a domestic microwave oven. The change in the oxidation state of the Fe 3+ source to Fe 2+ is confirmed by Moessbauer studies. The presence of carbon and its application as a reducing agent is illustrated by Raman spectroscopy. All the metal fluorides exhibit one-dimensional rodlike structure, differing in the organization of the rods showing star-shaped, tripod, and aggregated needle morphologies. -(JACOB, D. S.; BITTON, L.; GRINBLAT, J.; FELNER, I.; KOLTYPIN, Y.; GEDANKEN*, A.; Chem.
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