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Antibacterial Activity of TiO2/AgY Composite Materials

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Abstract:

A composite, TiO2/AgY, was prepared by impregnation of tetrabutyl titanate solution on NaY zeolite, subsequent calcination at 500°C and ion-exchange with AgNO3 solution. XRD.SEM, TEM and EDAX were used to characterize the crystalline phase, the particle size of the formed nano-materials and the relative contents of atoms in TiO2/AgY and NaY zeolite, respectively. TiO2 nanoparticles with the size of 5-8 nm were found to form on the external surface of the zeolite. About half of Na+ in NaY zeolite is exchanged into Ag+. The as-prepared material exhibits excellent antibacterial activity and decompose E. coli using ultraviolet radiation as light resource.

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Periodical:

Advanced Materials Research (Volume 668)

Pages:

25-28

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.668.25

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Online since:

March 2013

Authors:

Jing Yang, Xiao Wen Xu

Keywords:

Composite Material, Nanoparticle, Porous Material

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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