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首页> 外文期刊>Ferroelectrics >Room temperature ammonia sensing properties of nanostructured polyaniline salt and polyaniline base thin films
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Room temperature ammonia sensing properties of nanostructured polyaniline salt and polyaniline base thin films

机译：纳米结构聚苯胺盐和聚苯胺基薄膜的室温氨感测性能

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摘要

Polyaniline salt and polyaniline base thin films were grown by chemical polymerization technique. Films of salt and base were characterized by optical absorbance spectroscopy which reveals the formation of polyaniline. The resistivity of both samples was investigated by I-V source meter which shows ohmic nature. Surface morphology of both samples was investigated by Field Emission Scanning Electron Microscopy, which represents the nanostructured and granular morphology. Ammonia sensing properties of both samples were by I-V source meter in presence of 25ppm of ammonia. Observed values of sensitivity (S) is 82% and 56% for polyaniline salt and polyaniline base.
机译：通过化学聚合技术生长聚酰氯盐和聚苯胺基薄膜。 通过光学吸收光谱表征盐和碱的薄膜，露出聚苯胺的形成。 通过I-V源仪研究了两种样品的电阻率，其显示欧姆的性质。 通过现场发射扫描电子显微镜研究了两种样品的表面形态，其代表纳米结构和颗粒形态。 两种样品的氨感测性质在25ppm的氨存在下通过I-V源表。 对于聚苯胺盐和聚苯胺基碱，观察到的敏感性值为82％和56％。

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