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Erschienen in:
13.11.2017
Revealing the influence of the Bi dopant on the structural, photoluminescence and antibacterial properties of ZnO nanoparticles
Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 4/2018
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Abstract
Undoped and Bi doped zinc oxide nanoparticles were synthesized by soft chemical method. The effects of doping on structural and optical properties of Bi doped nanoparticles were investigated. The product was subjected to powder X-ray diffraction, field emission scanning electron microscope, transmission electron microscope and photoluminescence techniques. The crystallite sizes of synthesized samples were calculated from the powder XRD patterns, the crystalline size is variable from 42 to 56 nm for undoped and Bi doped ZnO nanoparticles respectively. The photoluminescence intensity of the Bi (7 at.%) doped ZnO was much higher than that of undoped ZnO nanoparticles. The undoped and Bi doped ZnO nanoparticles are subjected to antibacterial bio activity against both Staphylococcus aureus and Escherichia coli bacteria in order to find the materials efficiency towards the bacterial strains and it is found that there is a good zone of inhibition.