Ag Nanoparticle Enhanced Photocatalytic Activity of Rutile TiO2 Films Prepared by Electrostatic Self-Assembly Method

Abstract:

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Ag nano-particles were deposited on the surface of TiO2 self-assembled films by photo-reduction of Ag+ solution. SPM, XPS and UV-Vis spectrophotometer were employed to characterize the microstructure and photo-catalytic performance of the films. An obvious enhancement of photo-catalytic activity had been observed. Since rutile had a lower optical band gap than anatase, a higher photo-catalytic efficiency improvement of rutile than that of anatase was obtained under the help of Ag nano-particles, which acted as electron acceptors.

Info:

Periodical:

Key Engineering Materials (Volumes 280-283)

Edited by:

Wei Pan, Jianghong Gong, Chang-Chun Ge and Jing-Feng Li

Pages:

293-296

DOI:

10.4028/www.scientific.net/KEM.280-283.293

Citation:

F. Pan et al., "Ag Nanoparticle Enhanced Photocatalytic Activity of Rutile TiO2 Films Prepared by Electrostatic Self-Assembly Method", Key Engineering Materials, Vols. 280-283, pp. 293-296, 2005

Online since:

February 2007

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Price:

$35.00

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