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

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Gas Sensing Property of SnO2 Nanoparticles Synthesized by Flame Spray Pyrolysis

화염 분무 열분해법에 의해 합성된 SnO2 나노입자의 가스 감응 특성

  • Kim, Hong-Chan (Department of Materials Science and Engineering and Research Institute of Advanced Materials, Seoul National University) ;
  • Shin, Dong-Wook (Department of Materials Science and Engineering, Hanyang University) ;
  • Hong, Seong-Hyeon (Department of Materials Science and Engineering and Research Institute of Advanced Materials, Seoul National University)
  • 김홍찬 (서울대학교 재료공학부) ;
  • 신동욱 (한양대학교 신소재공학부) ;
  • 홍성현 (서울대학교 재료공학부)
  • Received : 2012.07.05
  • Accepted : 2012.07.23
  • Published : 2012.08.01
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Abstract

$SnO_2$ nanoparticles were synthesized by flame spray pyrolysis, which were directly deposited on Pt interdigitated substrates. Gas sensing performance was evaluated for various gases such as $H_2$, CO, $H_2S$, and $NH_3$, and it was compared with that of commercial $SnO_2$ nanopowder. The synthesis of $SnO_2$ nanoparticles was also conducted in various solvents. As a result, the primary particle size was changed with the solvent of precursor solution, and their $H_2$ sensing properties were significantly affected.

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