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The ethanol sensors made from α-Fe2O3 decorated with multiwall carbon nanotubes

  • Aroutiounian, Vladimir M. (Centres of Semiconductor Devices and Nanotechnologies, Yerevan State University) ;
  • Arakelyan, Valeri M. (Centres of Semiconductor Devices and Nanotechnologies, Yerevan State University) ;
  • Shahnazaryan, Gohar E. (Centres of Semiconductor Devices and Nanotechnologies, Yerevan State University) ;
  • Aleksanyan, Mikayel S. (Centres of Semiconductor Devices and Nanotechnologies, Yerevan State University) ;
  • Hernadi, Klara (Department of Applied and Environmental Chemistry, University of Szeged) ;
  • Nemeth, Zoltan (Department of Applied and Environmental Chemistry, University of Szeged) ;
  • Berki, Peter (Department of Applied and Environmental Chemistry, University of Szeged) ;
  • Papa, Zsuzsanna (Department of Optics and Quantum Electronics, University of Szeged) ;
  • Toth, Zsolt (Department of Optics and Quantum Electronics, University of Szeged) ;
  • Forro, Laszlo (Laboratory of Physics of Complex Matter, Ecole Polytechnique Federale de Lausanne)
  • 투고 : 2015.02.10
  • 심사 : 2015.03.24
  • 발행 : 2015.03.25

초록

Thin film ethanol sensors made from ${\alpha}-Fe_2O_3$ decorated with multiwall carbon nanotubes(MWCNTs) were manufactured by the electron beam deposition method. The morphology of the decorated ${\alpha}-Fe_2O_3$/MWCNTs (25:1 weight ratios) nanocomposite powder was investigated using the scanning electron microscopy and X-ray diffraction techniques. The thickness of thin films has been determined from ellipsometric measurements. The response of manufactured sensors was investigated at different temperatures of the sensor work body and concentration of gas vapors. Good response of prepared sensors to ethanol vapors already at work body temperature of $150^{\circ}C$ was shown.

키워드

과제정보

연구 과제 주관 기관 : Ministry of Education and Science

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