Fabrication of photocatalytic multi layer membrane using porous TiO_2 film by aerosol deposition

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概要

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• 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.

• 公益社団法人 日本セラミックス協会の論文
• 2009-07-01

著者

• Kim Jong-oh

  Dept. Of Civil Engineering Kangnung National University

• Choi Won-youl

  Dept. Of Metal And Materials Engineering Kangnung National University

• CHOI Byung-Kyu

  Dept. of Metal and Materials Engineering, Kangnung National University

• MUN Kyu-Shik

  Dept. of Metal and Materials Engineering, Kangnung National University

• CHO Churl-Hee

  Membrane Materials Research Group, Reaction and Separation Materials Research Center, Korea Institut

• PARK Hun

  Dept. of Materials Science and Engineering, Korea Advanced Institute of Science and Technology

• Choi Byung-kyu

  Dept. Of Metal And Materials Engineering Kangnung National University

• Park Hun

  Dept. Of Materials Science And Engineering Korea Advanced Institute Of Science And Technology

• Mun Kyu-shik

  Dept. Of Metal And Materials Engineering Kangnung National University

• Cho Churl-hee

  Membrane Materials Research Group Reaction And Separation Materials Research Center Korea Institute

関連論文

• Surface passivation of highly ordered TiO_2 nanotube arrays and application to dye-sensitized solar cells using the concept of isoelectric point
• Fabrication of photocatalytic multi layer membrane using porous TiO_2 film by aerosol deposition

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