Effect of silver dopant on structural and optical properties of ZnO nanoparticles
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The synthesis of AgxZn1−xO is completed by chemical precipitation method and then X-ray diffraction is used to detail out the structural parameters (like crystallite size and phase identification). A hexagonal wurtzite structure is confirmed after analyzing the XRD results, which shows a single phase. The crystallite size and microstrain are evaluated by different models of W–H and SSP method; their values show an increasing pattern with the rise in the doping element. While band gap value decreases with rise in the concentration ratio of silver doping, in contrast to this Urbach energy (eV) is opposite to the band gap value that is evaluated by the absorption spectra of UV–Vis. This is mostly used in the optoelectronic application. The FTIR (Fourier transmission infrared spectroscopy) results are detailed about functional bonds; Ag bonds appear in its representation within ZnO bond. FESEM confirmed that the aggregation formation increases with increases in silver doping concentrations.
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All the authors declare that they have no competing interests.
- 7.R. Chauhan, A. Kumar et al., Arch. Appl. Sci. Res. 2378, 85 (2010)Google Scholar