Abstract
The influences of annealing effects have been explored on the crystallinity, morphology, optical and magnetic properties of Ag–ZnO nanostructures prepared by a simple sol–gel method. X-ray powder diffraction, scanning electron microscope, high resolution transmission electron microscope (HRTEM), vibrating sample magnetometer and photoluminescence spectroscopy (PL) have been used to characterize the crystal structures, surface morphology, magnetic and optical properties of the pure ZnO and Ag–ZnO nanostructures respectively. The synthesized Ag–ZnO nanostructures are found to have hexagonal wurtzite crystal structures and their grain size increases while lattice strain decreases on annealing. From HRTEM observation, it is found that the annealed samples show nanorod like structures with Ag nanoparticles (NPs) embedded on the surface. Due to annealing effect, Ag–ZnO shows higher saturation magnetization at room temperature.
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The author (Ashaq) would like thank to Dr. R. Krishnan, Material Science Group (MSG), IGCAR, Kalpakam, India for his kind help of magnetic studies and constant support for this work.
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Shah, A.H., Basheer Ahamed, M., Manikandan, E. et al. Magnetic, optical and structural studies on Ag doped ZnO nanoparticles. J Mater Sci: Mater Electron 24, 2302–2308 (2013). https://doi.org/10.1007/s10854-013-1093-6
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DOI: https://doi.org/10.1007/s10854-013-1093-6