한국분말재료학회지 (Journal of Powder Materials)

  • 제18권1호
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  • Pages.14-17
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  • 2011
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  • 2799-8525(pISSN)
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  • 2799-8681(eISSN)
한국분말재료학회 (*구 분말야금학회) (The Korean Powder Metallurgy & Materials Institute)
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Synthesis of TiO2 Nanotubes and Their Sensitivity for Toluene Gas

  • Yue, H.Y. (School of Materials Science and Engineering, Harbin University of Science and Technology) ;
  • Huang, S. (Department of Neurology, the Second Affiliated Hospital of Harbin Medical University) ;
  • Guo, E.J. (School of Materials Science and Engineering, Harbin University of Science and Technology) ;
  • Wang, L.P. (School of Materials Science and Engineering, Harbin University of Science and Technology) ;
  • Kang, F.W. (School of Materials Science and Engineering, Harbin University of Science and Technology) ;
  • Yu, Z.M. (School of Materials Science and Engineering, Harbin University of Science and Technology) ;
  • Guo, Y.K. (School of Materials Science and Engineering, Harbin University of Science and Technology) ;
  • Sun, F.L. (School of Materials Science and Engineering, Harbin University of Science and Technology)
  • 투고 : 2010.10.08
  • 심사 : 2011.01.10
  • 발행 : 2011.02.28
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초록

$TiO_2$ nanopowders with anatase structure were firstly prepared by controlling the pH value of a precursor solution without any heat-treatment at room temperature. The prepared $TiO_2$ nanopowders were hydrothermally treated in 10M NaOH solution at $170^{\circ}C$. Then, the samples were washed in DI water or 0.1M HCl. The $TiO_2$ nanotubes were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM) and transmission electron microscope (TEM). The gas sensitivity of $TiO_2$ nanotubes for toluene gas was also investigated. The results show that $TiO_2$ nanotubes can be prepared by hydrothermal treatment. The morphology of $TiO_2$ nanotubes prepared by 0.1M HCl washing is destroyed to some extent. $TiO_2$ nanotubes with DI water washing show better sensitivity than that with 0.1M HCl washing.

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참고문헌

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피인용 문헌

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