Paper Title:
Hydrophilicity and Bactericidal Effects of TiO2 Thin Films Prepared by RF Sputtering
  Abstract

TiO2 thin films were prepared by RF sputtering on Si wafer to investigate hydrophilicity and bactericidal effects by using AFM, XRD, standard plate count method and wetting angle measurement. Experimentally, the survival rate of E. coli was above 74% and the wetting angle of water for the 30 min UV illuminated films was 4.2o. It was found that the bactericidal efficiency was closely related to the large specific surface area caused by the roughness, however, hydrophilicity was governed by the surface defective sites rather than the roughness.

  Info
Periodical
Materials Science Forum (Volumes 449-452)
Edited by
S.-G. Kang and T. Kobayashi
Pages
1261-1264
DOI
10.4028/www.scientific.net/MSF.449-452.1261
Citation
Y. S. Song, S. H. Kim, B. Y. Kim, D. Y. Lee, "Hydrophilicity and Bactericidal Effects of TiO2 Thin Films Prepared by RF Sputtering", Materials Science Forum, Vols. 449-452, pp. 1261-1264, 2004
Online since
March 2004
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$32.00
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