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The development of highly efficient liquefied petroleum gas (LPG) sensors operating at room temperature is critical for safety and industrial applications. This study presents a simple and cost-effective approach for fabricating a ZnO/SnO₂ nanocomposite-based sensor with outstanding performance. The sensor exhibits a significant decrease in electrical resistance upon exposure to LPG, with a response time of ~ 17 s, a recovery time of ~ 10 s, and a 50% response for 100 ppm of LPG. The material composition was confirmed through energy-dispersive X-ray spectroscopy (EDX), validating the successful synthesis of the ZnO/SnO₂ nanocomposite. The sensor demonstrates high selectivity and sensitivity for LPG, making it a promising candidate for real-world gas sensing applications.

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Metal Nanocomposite-Based Gas Sensors for Room Temperature LPG Detection

  • 会议论文

  • 发表日期：

    2026年

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  • Priyanshu Singh,
  • Prashant Shukla,
  • Devinder Madhwal,
  • Robin Kumar

摘要

The development of highly efficient liquefied petroleum gas (LPG) sensors operating at room temperature is critical for safety and industrial applications. This study presents a simple and cost-effective approach for fabricating a ZnO/SnO₂ nanocomposite-based sensor with outstanding performance. The sensor exhibits a significant decrease in electrical resistance upon exposure to LPG, with a response time of ~ 17 s, a recovery time of ~ 10 s, and a 50% response for 100 ppm of LPG. The material composition was confirmed through energy-dispersive X-ray spectroscopy (EDX), validating the successful synthesis of the ZnO/SnO₂ nanocomposite. The sensor demonstrates high selectivity and sensitivity for LPG, making it a promising candidate for real-world gas sensing applications.