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首页> 外文期刊>RSC Advances >A specially structured conductive nickel-deposited poly(ethylene terephthalate) nonwoven membrane intertwined with microbial pili-like poly(vinyl alcohol-co-ethylene) nanofibers and its application as an alcohol sensor
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A specially structured conductive nickel-deposited poly(ethylene terephthalate) nonwoven membrane intertwined with microbial pili-like poly(vinyl alcohol-co-ethylene) nanofibers and its application as an alcohol sensor

机译：一种特殊结构的导电镍沉积聚对苯二甲酸乙二酯无纺布膜与微生物菌毛状聚乙烯醇-共-乙烯纳米纤维缠结及其在酒精传感器中的应用

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摘要

The trend in development of portable and wearable sensors in healthcare-related applications promotes an expanding demand for flexible, stretchable and electrically conductive fabrics. A novel structured conductive nickel-deposited poly(ethylene terephthalate) (PET) membrane intertwined with microbial pili-like poly(vinyl alcohol-co-ethylene) (PVA-co-PE) nanofibers has been prepared. FTIR and XRD analysis indicated that the deposited metallic nickel was semi-crystalline with a FCC structure. SEM observations showed that nickel was compactly deposited on the surfaces of the nanofibers and PET substrate in the Ni@nanofibers/PET membranes. The coated nanofibers acted as conductive bridges among the randomly entangled PET fibers, leading to a significant increase in the conductivity of Ni@PVA-co-PE nanofibers/PET membranes. Abrasion tests suggested that Ni@PVA-co-PE nanofibers/PET membranes have superior stability in electrical conductivity compared to that of the native Ni@PET membrane. The membrane with high conductivity and good stability was employed as an electrode to construct a capacitive alcohol sensor. The sensor demonstrated good sensitivity and high efficiency.
机译：便携式和可穿戴传感器在医疗保健相关应用中的发展趋势促进了对柔性，可拉伸和导电织物的不断增长的需求。制备了一种新型的结构化导电镍沉积聚对苯二甲酸乙二醇酯（PET）膜，该膜与微生物菌毛状聚乙烯醇-聚乙烯（PVA-co-PE）纳米纤维缠绕在一起。 FTIR和XRD分析表明，沉积的金属镍是具有FCC结构的半结晶。 SEM观察表明，镍被紧密地沉积在Ni @纳米纤维/ PET膜的纳米纤维和PET基底的表面上。包覆的纳米纤维充当了随机缠绕的PET纤维之间的导电桥，导致Ni @ PVA-co-PE纳米纤维/ PET膜的电导率显着提高。磨损测试表明，与天然Ni @ PET膜相比，Ni @ PVA-co-PE纳米纤维/ PET膜在电导率方面具有出色的稳定性。将具有高电导率和良好稳定性的膜用作电极来构建电容性酒精传感器。该传感器显示出良好的灵敏度和高效率。

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