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Organic electrochemical transistors (OECTs) are widely utilized in chemical and biological sensing owing to their straightforward implementation, cost-effectiveness, and biocompatibility. These attributes make them adaptable for various applications. A novel use of OECTs is in the detection of volatile organic compounds (VOCs), capitalizing on the hydrogel’s ability to capture gaseous substances. This characteristic also reduces the sensor's sensitivity to humidity. This study examines the electrical characteristics of a planar OECT and its sensitivity to VOCs, with a particular focus on its behavior in the presence of ammonia.

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Organic Electrochemical Transistor as a VOCs Sensor

  • 会议论文

  • 发表日期：

    2025年

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  • Valerio Allegra,
  • Ioana Duceac,
  • Sabina Trifan,
  • Alexandro Catini,
  • Edoardo Carino,
  • Rosamaria Capuano,
  • Kishore Pushparaj,
  • Corrado Di Natale

摘要

Organic electrochemical transistors (OECTs) are widely utilized in chemical and biological sensing owing to their straightforward implementation, cost-effectiveness, and biocompatibility. These attributes make them adaptable for various applications. A novel use of OECTs is in the detection of volatile organic compounds (VOCs), capitalizing on the hydrogel’s ability to capture gaseous substances. This characteristic also reduces the sensor's sensitivity to humidity. This study examines the electrical characteristics of a planar OECT and its sensitivity to VOCs, with a particular focus on its behavior in the presence of ammonia.