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반도체 탄소 나노재료 기반 상온 동작용 가스센서

Sensing performances of Semiconducting Carbon Nanomaterials based Gas Sensors Operating at Room Temperature

  • 최선우 (강원대학교 신소재공학과)
  • Choi, Sun-Woo (Department of Materials Science and Engineering, Kangwon National University)
  • 투고 : 2019.03.08
  • 심사 : 2019.03.22
  • 발행 : 2019.03.30

초록

Semiconducting carbon-based nanomaterials including single-walled carbon nanotubes(SWCNTs), multi-walled CNT(MWCNTs), graphene(GR), graphene oxide(GO), and reduced graphene oxide(RGO), are very promising sensing materials due to their large surface area, high conductivity, and ability to operate at room temperature. Despite of these advantages, the semiconducting carbon-based nanomaterials intrinsically possess crucial disadvantages compared with semiconducting metal oxide nanomaterials, such as relatively low gas response, irreversible recovery, and poor selectivity. Therefore, in this paper, we introduce a variety of strategies to overcome these disadvantages and investigate principle parameters to improve gas sensing performances.

키워드

참고문헌

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