Abstract
Zn powder has been used for many years as anticorrosive pigments in various paints. In this work, the nano-sized Zn powder was synthesized by wire explosion method in deionised water and ethanol. The morphology of the prepared powders was observed by field emission-scanning electron microscopy (FE-SEM) and the oxidation of the powders was determined using energy-dispersive X-ray spectroscopy (EDS). The size of particles was estimated from transmission electron microscopy (TEM) and FE-SEM. Dispersion properties of the as-prepared Zn nanoparticles in ethanol were evaluated by Turbiscan lab device. It is found that Zn nanoparticle prepared in ethanol had spherical shape with average particles size ~150 nm while the one prepared in water had a mixture of hexagonal and spherical shape. Ethanol can reduce the oxidation of Zn nanoparticles in comparison with water. Stability of Zn nanoparticles dispersed in ethanol exhibited the agglomeration in the dispersion.
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