Journal of South China University of Technology (Natural Science Edition) ›› 2005, Vol. 33 ›› Issue (3): 28-30.

Previous Articles     Next Articles

Preparation of TiO2 Photocatalytic Coatings

Wang Hui1  Zeng Ling-ke1  Huang Lang-huan2   Ren Xue-tan1  Cheng Xiao-su1  Zhang Ming1   

  1. 1.Coilege of Materials Science and Engineering,South China UniV.of Tech.,Guangzhou 510640,Guangdong,China;2.Dept.of Chemistry,Jinan Univ.,Guangzhou 510632,Guangdong,China
  • Received:2003-10-14 Online:2005-03-25 Published:2005-03-25
  • Contact: Wang Hui(born in 1974),female,lecturer,Ph．D．candidate，mainly researches on inorganic nonmetal-lic materials with high performance E-mail:wanghui@ scut.edu.cn
  • About author:Wang Hui(born in 1974),female,lecturer,Ph．D．candidate，mainly researches on inorganic nonmetal-lic materials with high performance
  • Supported by:

    Supported by the National Natural Sci-ence Foundation of China(50276017)and Guangdong Pro-vincial Natural Science Foundation(000475)

PDF

303

Abstract:

Modmed fine TiO2 powders were prepared by doping La2O3 via the sol-gel process.TiO2 photoc atalytic coafing was then prepared on a slide substrate,with ethyl silicate as the binder.The influences of some factors ,such as TiO2,content(mass fraction,the same below),active carbon and zeolite,on the photocatalytic activity of the coating were discussed.The results show that the coating is of most excellent photocatalytic activity when the
TiO2,content is 70%.that active carbon an d zeolite can improve the photocatalytic activity,and that active carbon has a greater enhancement on the photocatalytic activity,with an optimum addition of 10%(mass fraction)·

Key words: titanium dioxide, photoc atalytic coating, ethyl silicate, binder