한국전기전자재료학회논문지 (Journal of the Korean Institute of Electrical and Electronic Material Engineers)

  • 제32권5호
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  • Pages.432-436
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  • 2019
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  • 1226-7945(pISSN)
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  • 2288-3258(eISSN)
한국전기전자재료학회 (The Korean Institute of Electrical and Electronic Material Engineers)
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화이버 가스 센서 제작 및 NOx 가스 검출 특성 분석

Fabrication of Fiber Gas Sensor and Analysis of NOx Gas Detection Characteristics

  • 손주형 (가천대학교 전기공학과) ;
  • 김현수 (청강문화산업대학교 스마트미디어학과) ;
  • 윤영기 (가천대학교 컴퓨터공학과) ;
  • 장경욱 (가천대학교 전기공학과)
  • Son, Ju Hyeong (Department of Electrical Engineering, Gachon University) ;
  • Kim, Hyun Soo (Department of Smart Media, ChungKang College of Cultural Industries) ;
  • Yoon, Young Ki (Department of Computer Science, Gachon University) ;
  • Jang, Kyung Uk (Department of Electrical Engineering, Gachon University)
  • 투고 : 2019.05.09
  • 심사 : 2019.05.23
  • 발행 : 2019.09.01
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초록

In this study, we produced a light, flexible, wearable gas sensor by depositing MWCNTs (Multi-walled Carbon Nanotubes) into nylon. MWCNTs are widely used as a gas sensor material due to their excellent mechanical, electrical and physical characteristics. We produced a gas sensor to detect NOx gases by depositing nylon yarn in a MWCNT solution. The MWCNT solution was made by mixing 3 mg MWCNT in 5 ml of ethanol. Nylon yarn was placed in the manufactured solution and ultrasonic waves were applied using an ultrasonicator for 3 h, resulting in MCWNT deposition. The MWCNT-deposited nylon yarn was dried at room temperature for 24 h. The MWCNT-thin-film-coated nylon yarn was masked 1 mm apart, and gold was then deposited on the masked nylon yarn to create the gas sensor. The sensor then was installed in a chamber with a controlled atmospheric environment and exposed to NOx gas. The changing signal from the sensor was amplified to analyze its gas detection characteristics.

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참고문헌

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