▎ 摘 要
NOVELTY - A sensing film is made of a composite material comprising nano sharp thorn-shaped structure polyaniline grown on surface of layered reduced graphene oxide. USE - Sensing film for ammonia sensor (claimed). ADVANTAGE - The sensing film has high sensitivity, high selectivity, strong repeatability, stability, room temperature sensing property, thus reducing power consumption during the use of the sensor, and improves portability of the sensor.