Abstract
AbstractA thin film sensor was fabricated using the mixture of worm‐like carbon nanofibers (WCNF), which were synthesized using aluminium supported iron catalysts via chemical vapour deposition, and glass dust in proportion of 3:2, combined by drops of terpineol. The morphology of the catalyst, the worm‐like carbon nanofibers and the film surface were investigated with the help of TEM and SEM. Low single‐potential signal was employed to investigate gas sensitivity of the sensor to the deleterious ammonia, in atmospheric pressure at room temperature. The results suggest that the sensor has high sensitivity at low concentration (0.175–0.35 mg/m3), perfect reproducibility, and a fast response time (0.05 s) and restoration time (1 min).
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