Enhancing the Antibacterial Efficiency of ZnO Nanopowders Synthesized by Combustion Method Through A

来源 :Acta Metallurgica Sinica(English Letters) | 被引量 : 0次 | 上传用户:d452490001
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(Ag + Fe)-doped ZnO nanopowders have been synthesized using combustion method.Ag doping level was kept as 2 at.%,and Fe doping level was varied from 3 to 6 at.%,and the structural,optical,surface morphological,and antibacterial properties have been investigated.The structural studies show that ZnO/(Ag + Fe) nanopowders have hexagonal wurtzite structure with a preferential orientation along the(101) plane.The FE-SEM images indicate that there is a gradual decrease in the grain size with the increase in the doping level of Fe,and the TEM images are correlated well with FE-SEM images.The XPS profile clearly confirms the presence of expected elemental composition.Photoluminescence studies reveal the presence of extrinsic defects in the material.Antibacterial activity of Ag- and Fe-doped ZnO nanopowders against Vibrio parahaemolyticus,Vibrio Cholerae,and Staphylococcus aureus bacteria was also investigated. % Ag and Fe doping level were varied from 3 to 6 at.%, And the structural, optical, surface morphological, and antibacterial properties have been investigated. Structural studies show that ZnO / (Ag + Fe) nanopowders have hexagonal wurtzite structures with a preferential orientation along the (101) plane. The FE-SEM images indicate that there is a gradual decrease in the grain size with the increase in the doping level of Fe, and the TEM images are well well with FE-SEM images. XPS profile clearly confirms the presence of expected elemental composition. Photoluminescence studies reveal the presence of extrinsic defects in the material. Antibacterial activity of Ag- and Fe-doped ZnO nanopowders against Vibrio parahaemolyticus, Vibrio Cholerae, and Staphylococcus aureus bacteria was also investigated.
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