Journal of Sensor Science and Technology (센서학회지)

The Korean Sensors Society (한국센서학회)
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Facile Fabrication and Sensing Characteristics of TiO2 Nanosheets Using Sonication

  • Yu, Joon-Boo (Department of Material Science and Metallurgy, Kyungpook National University) ;
  • Cho, Bong-Hwan (Department of Material Science and Metallurgy, Kyungpook National University) ;
  • Zhang, Sholin (Department of Material Science and Metallurgy, Kyungpook National University) ;
  • Do, Seoung-Hun (Department of Material Science and Metallurgy, Kyungpook National University) ;
  • Lim, Jeong-Ok (Department of Biomedical Science, Kyungpook National University) ;
  • Byun, Hyung-Gi (Department of Information & Communication Engineering, Kangwon National University) ;
  • Huh, Jeung-Soo (Department of Material Science and Metallurgy, Kyungpook National University)
  • Received : 2011.08.01
  • Accepted : 2011.09.20
  • Published : 2011.09.30
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Abstract

This study focuses on the fabrication of $TiO_2$ nanosheets and their gas sensor application. A simple sonochemical method is employed to fabricate the $TiO_2$ nanosheets. The obtained samples were investigated by transmission electron microscope(TEM) and X-ray Diffraction(XRD). The $TiO_2$ nanosheets were coated on substrates by a dropping method followed by heat treatment. The sensor responses to volatile organic compounds(VOCs) such as toluene, benzene, ethanol and acetaldehyde were studied. It was found that the $TiO_2$ nanosheets sensors are able to detect ppb-levels of VOC gases.

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References

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