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The application of carbon nanotube - Polymer composite as gas sensing materials

  • Seong M. Cho*
  • , Young Jun Kim
  • , Yong Shin Kim
  • , Yoonseok Yang
  • , Seung Chul Ha
  • *Corresponding author for this work
  • Electronics and Telecommunications Research Institute

Research output: Conference(x)Paperpeer-review

Abstract

This is the first report on the evaluation on the performances of gas sensing properties of carbon nanotube - polymer composite materials for volatile organic compounds (VOCs). Single wall carbon nanotube (SWNT) - polymer (Ethtyl Cellulose, EC) composite suspensions were prepared in chloroform with the help of poly(p-phenylenevinylene-co-2,5-dioctoxy-m-phenylenevinylene) (PmPV). The composite films were formed onto electrode substrates by spraying the suspensions. The gas sensing performance of the composite films well supports that these materials are suitable for VOC sensors. The dispersion quality of SWNT in the sol suspension is understood to be closely related with sensing properties of the films. Enhancement in SWNT dispersion in the polymer matrix is expected to improve the sensing properties of the composite sensors.

Original languageEnglish
Pages701-704
Number of pages4
StatePublished - 2004
EventIEEE Sensors 2004 - Vienna, Austria
Duration: 2004.10.242004.10.27

Conference

ConferenceIEEE Sensors 2004
Country/TerritoryAustria
CityVienna
Period04.10.2404.10.27

Keywords

  • Carbon nanotube
  • Dispersion
  • Gas sensor
  • Sensitivity

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