Gas sensing properties of SnO2 nanowires on micro-heater

  • Hwang, In-Sung
  • Lee, Eui-Bok
  • Kim, Sun-Jung
  • Choi, Joong-Ki
  • Cha, Jung-Ho
  • ... Ju, Byeong-Kwon
  • 외 2명
Citations

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초록

The SnO2 nanowires (NWs) network gas sensors were fabricated on a micro-electrode and heater suspended in a cavity. The sensors showed selective detection to C2H5OH at a heater power during sensor operation as low as 30-40 mW. The gas response and response speed of the SnO2 NWs sensor to 100 ppm C2H5OH were 4.6- and 4.7-fold greater, respectively, than those of the SnO2 nanoparticles (NPs) sensor with the same electrode geometry. The reasons for these enhanced gas sensing characteristics are discussed in relation to the sensing materials and sensor structures. (C) 2009 Elsevier B.V. All rights reserved.

키워드

SnO2Gas sensorsNanowires (NWs)Micro-heaterC2H5OHTHIN-FILMSTIN OXIDEIN2O3
제목
Gas sensing properties of SnO2 nanowires on micro-heater
저자
Hwang, In-SungLee, Eui-BokKim, Sun-JungChoi, Joong-KiCha, Jung-HoLee, Ho-JunJu, Byeong-KwonLee, Jong-Heun
DOI
10.1016/j.snb.2009.11.012
발행일
2011-06-20
유형
Article; Proceedings Paper
저널명
Sensors and Actuators, B: Chemical
154
2
페이지
295 ~ 300