한국세라믹학회지 (Journal of the Korean Ceramic Society)

  • 제45권12호
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  • Pages.839-844
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  • 2008
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  • 1229-7801(pISSN)
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  • 2234-0491(eISSN)
한국세라믹학회 (The Korean Ceramic Society)
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상온 진공 분말 분사공정에 의해 제조된 TiO2 광촉매 막의 두께변화에 따른 광촉매 특성

Effect of Film Thickness on the Photocatalytic Performance of TiO2 Film Fabricated by Room Temperature Powder Spray in Vacuum Process

  • 김근영 (한국기계연구원 부설 재료연구소 기능세라믹연구그룹) ;
  • 류정호 (한국기계연구원 부설 재료연구소 기능세라믹연구그룹) ;
  • 한병동 (한국기계연구원 부설 재료연구소 기능세라믹연구그룹) ;
  • 최종진 (한국기계연구원 부설 재료연구소 기능세라믹연구그룹) ;
  • 윤운하 (한국기계연구원 부설 재료연구소 기능세라믹연구그룹) ;
  • 이병국 (한국기계연구원 부설 재료연구소 기능세라믹연구그룹) ;
  • 박동수 (한국기계연구원 부설 재료연구소 기능세라믹연구그룹) ;
  • 박찬 (부경대학교 재료공학과)
  • Kim, Kun-Young (Functional Ceramics Research Group, Korea Institute of Materials Science (KIMS)) ;
  • Ryu, Jung-Ho (Functional Ceramics Research Group, Korea Institute of Materials Science (KIMS)) ;
  • Hahn, Byung-Dong (Functional Ceramics Research Group, Korea Institute of Materials Science (KIMS)) ;
  • Choi, Jong-Jin (Functional Ceramics Research Group, Korea Institute of Materials Science (KIMS)) ;
  • Yoon, Woon-Ha (Functional Ceramics Research Group, Korea Institute of Materials Science (KIMS)) ;
  • Lee, Byoung-Kuk (Functional Ceramics Research Group, Korea Institute of Materials Science (KIMS)) ;
  • Park, Dong-Soo (Functional Ceramics Research Group, Korea Institute of Materials Science (KIMS)) ;
  • Park, Chan (Division of Materials Science and Engineering, Pukyong National University)
  • 발행 : 2008.12.31
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초록

$TiO_2$ is an environment-friendly semiconducting material, and it has photocatalytic and hydrophilic effect. There are a lot of reports on the photocatalytic characteristics of $TiO_2$, such as organic pollutants resolving, anti-bacterial, and self-purification material. In this paper, $TiO_2$ micron-sized powders were deposited on the glass by room temperature powder spray in vacuum process, so called aerosol deposition (AD), and nano-grained $TiO_2$ photocatalytic thin films were fabricated. The thickness of the films were controlled by changing the number of deposition cycle. Morphologies and characteristics of the AD-$TiO_2$ thin films were examined by SEM, TEM, XRD, and UV-Visible Spectrophotometer. As the thickness of $TiO_2$ films increased, surface roughness increased. By this increment, the reaction area between film and pollutant was enlarged, resulting in better photocatalytic property.

키워드

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