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Effects of Additives on the DMMP Sensing Behavior of SnO_2 Nanoparticles Synthesized by Hydrothermal Method

김선정|이종흔|홍성현|김홍찬
한국센서학회|2011.09|센서학회지 (Journal of Sensor Science and Technology)|제20권 제5호|pp. 294-299

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참고문헌

키워드

RecoverySensorAdditiveDMMPSnO_2
주제분류공학일반

초록

SnO_2 nanoparticles were synthesized by a hydrothermal method and gas sensors were fabricated using nanoparticles to detect dimethyl methylphosphonate(DMMP) gas. The prepared SnO_2 nanoparticles exhibited a high response(72 at 500℃) to 5 ppm DMMP gas compared to commercial SnO_2 nanopowders, but their recovery was relatively poor. Various metals(Ni, Sb, Nb) were added to the SnO_2 nanoparticles to improve their recovery properties. The focus of this study was to investigate the effects of metal oxide additives on DMMP sensing behavior in SnO_2 nanoparticles.

Abstract

SnO_2 nanoparticles were synthesized by a hydrothermal method and gas sensors were fabricated using nanoparticles to detect dimethyl methylphosphonate(DMMP) gas. The prepared SnO_2 nanoparticles exhibited a high response(72 at 500℃) to 5 ppm DMMP gas compared to commercial SnO_2 nanopowders, but their recovery was relatively poor. Various metals(Ni, Sb, Nb) were added to the SnO_2 nanoparticles to improve their recovery properties. The focus of this study was to investigate the effects of metal oxide additives on DMMP sensing behavior in SnO_2 nanoparticles.

참고문헌 (26)

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