Abstract
This investigation reports a facile surfactant-free synthesis of zinc oxide (ZnO) nanostructures with the aid of zinc nitrate as a starting reagent through a spontaneous solution–solution transfer of ammonia vapor. It also reports their potentials in photocatalytic applications. The obtained samples were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM) techniques, and energy dispersive X-ray (EDX), Fourier transform infrared (FTIR), and photoluminescence (PL) spectroscopies. Moreover, the effects of different reaction conditions such as precursor concentration and reaction time on the morphology, particle size, and chemical structure of the product were investigated using SEM and XRD analyses. The efficiency of ZnO nanostructures as photocatalysts for the decolorization of rhodamine-B and methylene blue was also evaluated under ultraviolet light irradiation.
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