Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 650, Issue -, Pages 357-362Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2015.07.272
Keywords
Samarium (III) oxide; Nanoparticles; Green chemistry; Callistemon viminalis
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Funding
- National Research Foundation of South Africa [92541]
- French Centre National pour la Recherche Scientifique (CNRS) (CNRS-NRF) [4200220]
- iThemba LABS
- UNESCO-UNISA Africa Chair in Nanosciences and Nanotechnology
- Abdus Salam International Centre for Theoretical Physics (ICTP) via the Nanosciences African Network
- African Laser Centre (ALC)
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In this contribution, it is demonstrated for the first time in the literature the possibility of synthesizing Sm2O3 nano-scaled particles as small as similar to 21.9 +/- 5 nm using an entirely new green process. This latter is based on the usage of natural extract of the Callistemon viminalis as a strong chelating agent at room temperature. The selected area electron diffraction and the high resolution transmission electron microscopy confirmed the polycrystallinity of the Sm2O3 nano-particles upon annealing at 500 degrees C. The complementary investigations by X-rays diffraction, infrared, Raman and X-rays photoelectron spectroscopy substantiated the single phase and the elemental purity of the Sm2O3 nano-particles. (C) 2015 Elsevier B.V. All rights reserved.
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