Abstract
Pure europium tungstate [Eu2(WO4)3] nanoparticles were prepared via a wet chemical route by using europium nitrate hexahydrate and Na2WO4·2H2O in water. Capping agents are frequently used in colloidal synthesis to inhibit nanoparticle overgrowth and aggregation as well as to control the structural characteristics of the resulted nanoparticles in a precise manner; therefore, glucose, lactose and galactose were applied as capping agents. Besides, the effect of glucose, lactose and galactose on the morphology and size of final products were investigated by SEM analysis. According to the vibrating sample magnetometer, Eu2(WO4)3 nanoparticles indicated a paramagnetic behavior at room temperature. To evaluate the catalytic properties of nanocrystalline Eu2(WO4)3, the photocatalytic degradations of methyl orange under ultraviolet light irradiation were carried out. The structural, morphological, magnetic, and optical properties of as-obtained products were characterized by techniques such as XRD, SEM, EDX and UV–Vis spectroscopy.
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