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June 10, 2026Applied Physics Letters

High-performance ammonia gas sensor based on three-dimensional interconnected CNT/PANI/SiNW

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Authors

CYCe YangKLKuibo LanZWZhehang Wang

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Overview

Randomized trial shows enhanced ammonia detection in environmental and medical applications, suggesting significant advancements in sensor technology.

Key Points

  • The aim is to develop a high-performance ammonia gas sensor using a CNT/PANI/SiNW composite structure.
  • Prepared a three-dimensional CNT/PANI/silicon nanowire (SiNW) ammonia gas sensor.
  • Conducted material characterizations to confirm the improved dispersion of CNT/PANI composites.
  • Measured the sensor's response to ammonia at varying concentrations.
  • The sensor achieved a response amplitude of 112.8% at 1 ppm NH3 and 260.5% at 10 ppm.
  • Demonstrated a detection limit of 1 ppb, significantly lower than most existing sensors.
  • Exhibited fast response time and high selectivity toward NH3 detection.

Cite This Study

Yang et al. (2026) studied this question.

synapsesocial.com/papers/6a28fff36f82f25be989cba5https://doi.org/10.1063/5.0335839
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