Abstract
In this paper ,we report on the fabrication and properties of undoped and 8.4% Er3+-doped ZnO nanoparticles synthesized by laser ablation in ethanol at laser fluence values2.92 J/cm2. The synthesized nanoparticles are characterized by structural properties using X-ray diffractrometer , scanning electron microscope and the optical properties are carried out through UV–Visible spectrophotometer. The X-ray diffractrometer pattern indicates that these nanoparticle were polycrystalline in nature with a hexagonal (wurtzite) phase. SEM reveals that The synthesized ZnO and Er-ZnO NPs have a spherical shape. Moreover, the optical band gaps calculated through UV spectroscopy are found to be decreased with doping from 3.3 to 3.2 eV.
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