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<p>The methods for manufacturing NO<sub>2</sub> sensors from carbon-tin nanoparticle composites and the results of detection of NO<sub>2</sub> impurities in the range of 10–40 ppm in air are presented. All sensors operate at room temperature. The sensors with arc discharge soot and tin nanoparticles demonstrate the highest sensitivity. A&#xa0;combination of the graphene and SnO nanoparticle layers demonstrates the lowest response time. The interaction mechanisms of sensors with low NO<sub>2</sub> concentrations are discussed.</p>

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Composite gas sensors based on carbon and tin oxide nanoparticles

  • 期刊论文

  • 发表日期：

    2025年3月1日

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  • A. I. Bogomolova,
  • T. I. Gareev,
  • O. A. Nerushev,
  • D. V. Sorokin,
  • A. G. Bannov,
  • D. V. Smovzh

摘要

The methods for manufacturing NO2 sensors from carbon-tin nanoparticle composites and the results of detection of NO2 impurities in the range of 10–40 ppm in air are presented. All sensors operate at room temperature. The sensors with arc discharge soot and tin nanoparticles demonstrate the highest sensitivity. A combination of the graphene and SnO nanoparticle layers demonstrates the lowest response time. The interaction mechanisms of sensors with low NO2 concentrations are discussed.