Abstract
Zinc doped nanoceria powders were prepared by a simple and fast microwave induced combustion method using cerium nitrate, zinc nitrate, glycine and sorbitol. The resultant powders were examined for their structure and microstructure by XRD, SEM, TEM and their optical properties were measured by UV-Vis spectroscopy. The lattice parameter of the ceria powders was found in the range of 5.399 Å to 5.370 Å. The average crystallite size calculated from XRD was in the range ~ 4 nm to ~ 2.5 nm. The TEM selected area diffraction pattern images clearly showed the ring pattern indicated the powders were polycrystalline nature and there is agglomeration of the particles. Optical band gaps of the powders were in the range 2.71eV to 2.58eV.
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