A Simple and Effective Method for Preparation and Characterization of Zinc Oxide Nanoparticles

Author(s): Ritu

Nanosized zinc oxide has been synthesized by using simple and efficient pericipitation method from zinc Nitrate and liquid ammonia with calcinations step at high temperature at 500 o C temperature for 5 hours. The nanosized ZnO were characterized by using XRD (X-ray diffraction), TGA/DTA (Thermal gravimetry analysis and Differential Thermal an alysis), Scanning Electron Microscopy (SEM)/ Transmission Electron Microscopy (TEM) and magne tic measurement techniques. XRD studies showed that zinc oxide was formed as ZnO and it has hexagonal wurtzite crystal structure. The particle size of the synthesized zinc oxide was determined by TEM. TEM im ages showed that the size of the particle of the zinc oxide varied from 21-40 nm, which is in good agreement with the theoretically predicted size of nanomaterials. This method is cheaper, easier and effective in comparison to the known methods for the synthesis of nanomaterials. There is excellent ag reement between the experimental and theoretical results.

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