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Study of Improvement Technology of Photocatalytic Activity on theTiO2Sol by Plasma Treatment After Dip-Coating Processing

Author

Listed:
  • C.-K. Jung

    (Department of Chemistry and Institute of Basic Science, Sungkyunkwan University, Suwon 440-746, Korea)

  • S.-H. Cho

    (Department of Chemistry and Institute of Basic Science, Sungkyunkwan University, Suwon 440-746, Korea)

  • S.-B. Lee

    (Department of Chemistry and Institute of Basic Science, Sungkyunkwan University, Suwon 440-746, Korea)

  • T.-K. Kim

    (Department of Chemistry and Institute of Basic Science, Sungkyunkwan University, Suwon 440-746, Korea;
    Solartech, 233-5, Gasan-Dong, Guemchon-Gu, Seoul, Korea)

  • M.-N. Lee

    (Department of Chemistry and Institute of Basic Science, Sungkyunkwan University, Suwon 440-746, Korea;
    Solartech, 233-5, Gasan-Dong, Guemchon-Gu, Seoul, Korea)

  • J.-H. Boo

    (Department of Chemistry and Institute of Basic Science, Sungkyunkwan University, Suwon 440-746, Korea)

Abstract

We have deposited titanium dioxideTiO2thin films on glass using a single molecular precursor such as titanium (IV) isopropoxide(Ti[OCH(CH3)2]4, 97%)by sol–gel processing. Argon and oxygen rf plasma treatments at 295 K for 0.5 h in the power range of 50–200 W were also used to elevate photocatalytic activity of the as-grownTiO2films. A superhydrophilic property and surface morphology change appeared in the light irradiation withO2plasma treatment. In this work, the effect of the plasma with photocatalyst (TiO2) on the improvement of hydrophilic properties has mainly been investigated. Photocatalytic activity was evaluated by measurements of the uv/vis. irradiation, refractive index, contact angle, and AFM analysis. We confirmed that plasma treatment is a very reliable method for the synthesis ofTiO2thin films with high catalytic performance.

Suggested Citation

  • C.-K. Jung & S.-H. Cho & S.-B. Lee & T.-K. Kim & M.-N. Lee & J.-H. Boo, 2003. "Study of Improvement Technology of Photocatalytic Activity on theTiO2Sol by Plasma Treatment After Dip-Coating Processing," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 10(04), pages 635-640.
    • Handle: RePEc:wsi:srlxxx:v:10:y:2003:i:04:n:s0218625x03005499
    DOI: 10.1142/S0218625X03005499
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    1. X. Sheldon Lin, 2001. "“Analysis of Incremental Returns of Canadian Mutual Funds”, J. F. Carrière; C. F. Hill, April 2001," North American Actuarial Journal, Taylor & Francis Journals, vol. 5(2), pages 39-40.
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