A new type of humidity nanosensor based on LiCl-doped TiO2 nanofibers with poly(vinyl pyrrolidone) (PVP) nanofibers as sacrificial template has been fabricated through electrospinning and calcination. The sensor exhibited excellent sensing characteristics, such as ultrafast response and recovery times, good reproducibility, linearity, and environmental stability, which are of importance for applications in humidity monitoring and control.
Zinc oxide (ZnO) nanofibers with an average diameter of 150 nm were synthesized by electrospinning. The morphology and structure of the as‐prepared ZnO nanofibers have been characterized by scanning electron microscopy, transmission electron microscopy, and X‐ray diffraction, respectively. The as‐prepared ZnO nanofibers exhibit excellent sensing properties against ethanol at an operating temperature of 300°C, including a rapid response (time ∼3 s) and recovery (time ∼8 s), super sensitivity, and high selectivity, which makes our product a good candidate for fabricating gas sensors in practice.
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