Abstract
In this paper, gadolinium tungstate Gd2(WO4)3 nanoparticles were synthesized via a new approach based on the reaction between gadolinium nitrate hexahydrate and Na2WO4.2H2O in water. Besides, three surfactants such as ethylene diaminetetraacetic acid (EDTA), sodium dodecyl sulfate (SDS), and polyvinylpyrrolidone (PVP) were used to investigate their effects on the morphology and particle size of Gd2(WO4)3 nanoparticles. According to the vibrating sample magnetometer, gadolinium tungstate Gd2(WO4)3 nanoparticles indicated a paramagnetic behavior at room temperature. The as-synthesized nanoparticles were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), diffuse reflectance spectroscopy (UV–Vis), and energy dispersive X-ray microanalysis (EDX). To evaluate the catalytic properties of nanocrystalline gadolinium tungstate, the photocatalytic degradations of methyl orange under ultraviolet light irradiation were carried out.
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