Synthesis and Antibacterial Activities of Ag/ZnO Nanoparticles

Y.W. Hu; Hui Rong He; Xia Kong; Yang Min Ma

doi:10.4028/www.scientific.net/KEM.697.714

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 697Synthesis and Antibacterial Activities of Ag/ZnO...

Synthesis and Antibacterial Activities of Ag/ZnO Nanoparticles

Abstract:

Ag/ZnO nanoparticles with different Ag concentrations were fabricated through sol-gel method under 500 °C for 60 min with a heating rate 5 °C·min^-1. The phase, the crystallographic structure and the surface topography of the Ag/ZnO nanoparticles were charactered by XRD and SEM. The antibacterial activities of the Ag/ZnO nanoparticles were performed by disc diffusion method. The results indicate that the as-prepared Ag/ZnO nanoparticles display great antibacterial activity than ZnO nanoparticle without Ag doping. And Ag/ZnO nanoparticles with 5 mol% Ag concentration show more excellent antibacterial activity toward S.aureus, B. subtilis, E. coli and P. aeruginosa with diameters zones of inhibition 21.7, 18.5, 18.4 and 17.8 mm than other Ag/ZnO nanoparticles. And the mechanism of ZnO antibacterial activity is discussed.

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Periodical:

Key Engineering Materials (Volume 697)

Pages:

714-717

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.697.714

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Online since:

July 2016

Authors:

Y.W. Hu*, Hui Rong He, Xia Kong, Yang Min Ma

Keywords:

Antibacterial Activity, Sol-Gel, ZNO

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