Imaging Science and Photochemistry ›› 2004, Vol. 22 ›› Issue (1): 1-3.DOI: 10.7517/j.issn.1674-0475.2004.01.1

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SURFACE WETTABILITY TRANSITION BY MECHANOCHEMICAL TREATMENT ON POLYCRYSTALLINE TITANIUM DIOXIDE THIN FILM

SUN Wen-tao, CHEN Ping   

  1. Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100101, P.R.China
  • Received:2003-09-29 Revised:2003-11-14 Online:2004-01-23 Published:2004-01-23

Abstract: TiO2 thin film can be photo-induced super-hydrophilic and reverse to be hydrophobic after stored in the darkness for several weeks.A Mechanochemical method was reported to carry out hydrophilic to hydrophobic transition of polycrystalline anatase TiO2 thin film in several minutes.

Key words: TiO2 polycrystalline thin film, mechanochemical treatment, sol-gel method

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