<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Sol-gel method was successfully used for synthesis of ZnO nanoparticles doped with 10 % Mg or Cu. The structure, morphology and optical properties of the prepared nanoparticles were studied as a function of doping content. The synthesized ZnO:(Mg/Cu) samples were characterized using XRD, TEM, FTIR and UV-Vis spectroscopy techniques. The samples show hexagonal wurtzite structure, and the phase segregation takes place for Cu doping. Optical studies revealed that Mg doping increases the energy band gap while Cu incorporation results in decrease of the band gap. The antibacterial activities of the nanoparticles were tested against Escherichia coli (Gram negative bacteria) cultures. It was found that both pure and doped ZnO nanosuspensions show good antibacterial activity which increases with copper doping, and slightly decreases with adding Mg.</p></abstract>

Sol-gel method was successfully used for synthesis of ZnO nanoparticles doped with 10 % Mg or Cu. The structure, morphology and optical properties of the prepared nanoparticles were studied as a function of doping content. The synthesized ZnO:(Mg/Cu) samples were characterized using XRD, TEM, FTIR and UV-Vis spectroscopy techniques. The samples show hexagonal wurtzite structure, and the phase segregation takes place for Cu doping. Optical studies revealed that Mg doping increases the energy band gap while Cu incorporation results in decrease of the band gap. The antibacterial activities of the nanoparticles were tested against Escherichia coli (Gram negative bacteria) cultures. It was found that both pure and doped ZnO nanosuspensions show good antibacterial activity which increases with copper doping, and slightly decreases with adding Mg.

Effect of doping on structural and optical properties of ZnO nanoparticles: study of antibacterial properties

Department of Physics, Ferdowsi University of Mashhad, Mashhad, Iran

Nanoresearch Center, Fedrowsi University of Mashha, Mashhad, Iran

Department of Biology, Ferdowsi University of Mashad, Mashhad, Iran

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Sol-gel method was successfully used for synthesis of ZnO nanoparticles doped with 10 % Mg or Cu. The structure, morphology and optical properties of the...

Effect of doping on structural and optical properties of ZnO nanoparticles: study of antibacterial properties

Publié en ligne: 22 juil. 2014

Pages: 130 - 135

DOI: https://doi.org/10.2478/s13536-013-0181-x

Mots clés
ZnO nanoparticles, sol-gel, antibacterial, growth curve

© 2014 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Effect of doping on structural and optical properties of ZnO nanoparticles: study of antibacterial properties

Publié en ligne: 22 juil. 2014

Pages: 130 - 135

DOI: https://doi.org/10.2478/s13536-013-0181-x

Mots clésZnO nanoparticles, sol-gel, antibacterial, growth curve

© 2014 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
ZnO nanoparticles, sol-gel, antibacterial, growth curve