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Erschienen in:
25.10.2016
Simple route for the preparation of nanosized terbium tungstate with different morphology and investigation of its photocatalytic application
Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 2/2017
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Abstract
In the current study, Tb2(WO4)3 nanoparticles were synthesized via a simple route based on the reaction between terbium nitrate hexahydrate and sodium tungstate dihydrate in an aqueous solution. Besides, three amino acids such as glycine, cysteine, and alanine were used to investigate their effects on the morphology and particle size of Tb2(WO4)3 nanoparticles. The formation of pure crystallized Tb2(WO4)3 nanocrystals occurred when the precursor was heat-treated at 700 °C in air for 3 h. The stages of the formation of Tb2(WO4)3, as well as the characterization of the resulting compounds were made using UV–Vis diffuse reflectance spectroscopy, field emission scanning electron microscopy, energy dispersive X-ray microanalysis, and X-ray diffraction. The magnetic properties of as-prepared Tb2(WO4)3 nanoparticles were also investigated with vibrating sample magnetometer. Furthermore, the photocatalytic properties of as synthesized Tb2(WO4)3 were evaluated by degradation of methyl orange as water contaminant.