Journal
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
Volume 25, Issue 8, Pages 3572-3577Publisher
SPRINGER
DOI: 10.1007/s10854-014-2058-0
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In this study, the preparation of alpha-Fe2O3 nanoparticles using curcuma and tea leaves extract are reported. The curcuma and tea leaves are acted as a reductant and stabilizer. The crystal structure and particle size of the as-synthesized materials were measured through X-ray diffraction. X-ray diffraction patterns revealed that the as-prepared samples were alpha-Fe2O3 nanoparticles with well-crystallized rhombohedral structure and the crystallite sizes of the alpha-Fe2O3 nanoparticles are 4 and 5 nm. Scanning electron microscopy images showed that the prepared samples have spherical shape. The purity and properties of the as-synthesized alpha-Fe2O3 nanoparticles were measured by Raman spectroscopy. The chemical compositions of the as-prepared alpha-Fe2O3 nanoparticles have been analyzed by Fourier transform infrared spectroscopy. The absorption edge of the alpha-Fe2O3 nanoparticles are 561 and 551 nm. The photocatalytic activity of the alpha-Fe2O3 nanoparticles was measured by degradation of methylene orange and the alpha-Fe2O3 nanoparticles showed the excellent photocatalytic performance.
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