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<p>NiO were prepared by hydrothermal method using nitrate hexahydrate and urea as precursors at 100°C for 12 h. The morphology, size and structure was observed by scanning electron microscope and X-ray diffraction (XRD). The gas sensitivity of NiO to ethanol vapor was characterized by CGS-8 gas sensing analysis system. The results showed that the sensitivity of NiO-based gas sensor increased from 1.82 to 3.25 under the additive of polyvinylidene fluoride (PVDF). The mechanism of the enhanced gas sensing performance was investigated.</p>

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Enhanced NiO-based gas sensing performance to ethanol: the case of polyvinylidene fluoride

  • 期刊论文

  • 发表日期：

    2025年2月10日

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  • Yidong Zhang,
  • Zhenwei Dong,
  • Huimin Jia,
  • Lei Zhao,
  • Yongqiang Ji

摘要

NiO were prepared by hydrothermal method using nitrate hexahydrate and urea as precursors at 100°C for 12 h. The morphology, size and structure was observed by scanning electron microscope and X-ray diffraction (XRD). The gas sensitivity of NiO to ethanol vapor was characterized by CGS-8 gas sensing analysis system. The results showed that the sensitivity of NiO-based gas sensor increased from 1.82 to 3.25 under the additive of polyvinylidene fluoride (PVDF). The mechanism of the enhanced gas sensing performance was investigated.