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Zn2SiO4 nanoparticles have been successfully prepared via a simple sonochemical method, for the first time. The effect of various parameters including ultrasonic power, ultrasonic irradiation time and different surfactants were investigated to reach optimum condition. The as-prepared nanostructures were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmittance electron microscopy (TEM), Fourier transform infrared (FT-IR) spectra and energy dispersive X-ray microanalysis (EDX). The photocatalytic activity of Zn2SiO4 nano and bulk structures were compared by degradation of anionic dye methyl orange in aqueous solution under UV-light irradiation. Moreover, the cyclic voltammetry analysis of Zn2SiO4 nano and bulk structures were investigated.

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