The Synthesis Method of Tin Dioxide Nanoparticles by Plasma-Assisted Electrolysis Process and Gas Sensing Property
- Authors
- 김태형; 송요섭; 이찬기; 좌용호
- Issue Date
- Oct-2017
- Publisher
- 한국분말야금학회
- Keywords
- Plasma-assisted electrolysis; Nanoparticles; SnO2; Gas sensor
- Citation
- 한국분말야금학회지, v.24, no.5, pp.351 - 356
- Indexed
- KCI
- Journal Title
- 한국분말야금학회지
- Volume
- 24
- Number
- 5
- Start Page
- 351
- End Page
- 356
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/11012
- DOI
- 10.4150/KPMI.2017.24.5.351
- ISSN
- 1225-7591
- Abstract
- Tin dioxide nanoparticles are prepared using a newly developed synthesis method of plasma-assisted electrolysis. A high voltage is applied to the tin metal plate to apply a high pressure and temperature to the synthesized oxide layer on the metal surface, producing nanoparticles in a low concentration of sulfuric acid. The particle size, morphology, and size distribution is controlled by the concentration of electrolytes and frequency of the power supply. The as-prepared powder of tin dioxide nanoparticles is used to fabricate a gas sensor to investigate the potential application. The particle-based gas sensor exhibits a short response and recovery time. There is sensitivity to the reduction gas for the gas flowing at rates of 50, 250, and 500 ppm of H2S gas.
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