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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.117  No.1367 (July) (2009)  >  pp.808-810

Journal of the Ceramic Society of Japan
<<Previous article Vol.117  No.1367 (July) (2009)   pp.808 - 810 Next article>>

Fabrication of photocatalytic multi layer membrane using porous TiO2 film by aerosol deposition

Byung-Kyu CHOI1), Kyu-Shik MUN1), Churl-Hee CHO2), Jong-Oh KIM3), Hun PARK4) and Won-Youl CHOI1)
1) Dept. of Metal and Materials Engineering, Kangnung National University
2) Membrane Materials Research Group, Reaction and Separation Materials Research Center, Korea Institute of Energy Research
3) Dept. of Civil Engineering, Kangnung National University
4) Dept. of Materials Science and Engineering, Korea Advanced Institute of Science and Technology

  Titanium dioxide (TiO2) has been one of the most attractive materials in the experimental investigation during the last decades due to its scientific and technological importance. The electrochemical photolysis of water with TiO2 was intensively studied as a candidate for a new energy source. Sterilization and sewage disposal using TiO2 as an electrochemical catalyst were also investigated. We fabricate the photocatalytic multi layer membrane with TiO2 thin film by aerosol deposition method at room temperature. To fabricate the TiO2 thin film, the aerosol bath pressure and chamber pressure were 500 torr and 0.4 torr, respectively. The difference of aerosol bath pressure and chamber pressure accelerated the TiO2 nano powder to ultrasonic velocity through the nozzle of 0.4 mm × 10 mm. Multi layer SUS membrane with diameter of 50 mm was used as a substrate to apply the TiO2 thin film to water quality purification. The anatase phase of TiO2 thin film was observed by X-ray diffraction. The multi layer membrane with TiO2 thin film had the good photocatalytic activity for organics removal.

TiO2, Aerosol deposition, Photocatalytic, Low temperature, Filter

Received: October 24, 2008
Accepted: April 16, 2009 , Published online: July 01, 2009
Copyright (c) 2009 The Ceramic Society of Japan



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