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Microwave Synthesis of Nanoparticulate SmFeO3 and Its Characterization

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Single phase perovskite SmFeO3 nanoparticles were synthesized using a simple microwave method using Fe(NO3)3 · 9H2O and Sm(NO3)3 · 6H2O. The resulting samples were characterized by powder X-ray diffraction (XRD), scanning electron microscopy (SEM), Brunauer-Emmett-Teller (BET) surface area measurement, UV-visible diffuse reflectance spectroscopy (DRS) and Fourier transform infrared spectroscopy (FTIR). XRD and SEM results demonstrate the successful synthesis of nanocrystalline SmFeO3 and show an average grain size of 50–60 nm. The single phase structure and optical properties of SmFeO3 were maintained after calcination at 1000 °C. The prepared nanocrystalline SmFeO3 displays excellent thermal stability and strong visible-light absorption, with an absorption onset of 540 nm or so. The photocatalytic experiment involving the decomposition of methyl orange under visible-light irradiation shows the high photocatalytic activity of the nanoparticles.
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Document Type: Research Article

Publication date: January 1, 2016

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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