Abstract
In this study, nanocrystalline forsterite (Mg2SiO4) powder was synthesized via two-step combustion–calcination procedure. Mixtures of citric acid and glycine were used as fuel and nitrate ions were used as oxidizers. The samples were synthesized with different fuel to nitrate (F/N) molar ratios. The synthesized sample was characterized by X-ray diffraction, transmission electron microscopy, scanning electron microscopy and photoluminescence spectroscopy. The effect of fuels on formation of the forsterite phase was studied. The X-ray diffraction (XRD) patterns of the samples revealed that the forsterite was formed as a major phase for all the samples containing citric acid. The crystallite size was found to be in the range of 18–50nm. Photoluminescence spectra showed that the luminescent intensity of Mg2SiO4:Eu3+ particles were much higher than that of MgO:Eu3+ ones.
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