THE PREPARATION OF SILVER-LOADED TITANIUM DIOXIDE FILM AND ITS PHOTOCATALYTIC PROPERTY

doi:10.7517/j.issn.1674-0475.2003.05.328

Abstract

Abstract: Prepare silver nitrate solution of a certain concentration with the titanium dioxide film as its carrier.Silver is deposited on the film surface by using photo irradiation method.The quantity of the silver separated out on the film surface is controlled by the irradiation time.The silver loaded titanium dioxide film is prepared and the antibacterial and photocatalytic property are investigated.The results show that because of silver loaded on the film surface,the antibacterial property has improved considerably,and the photocatalytic property remains unchanged,its antibacterial property toward E.coli and penicillium has been increased by a factor of 10⁴ and 10² respectively.Its ability to degrade methyl orange by photo catalysis is increased by 10% relative to using titanium dioxide film alone,thus exhibiting a favorable photocatalytic specificity.

Key words: titanium dioxide, silver, separate out, antibacterial, photocatalysis

CLC Number:

TANG Bin, ZHANG Qing-qing. THE PREPARATION OF SILVER-LOADED TITANIUM DIOXIDE FILM AND ITS PHOTOCATALYTIC PROPERTY[J]. Imaging Science and Photochemistry, 2003, 21(5): 328-333.

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