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首页> 外文会议>Materials Research Society Symposium >Integrative Chemistry Toward Designing Polyvinyl Alcohol/Poly-aniline/Vanadium OxideNanocomposite-based Macroscopic Fibers: 1D-Highly Sensitive Alcohol Sensors Bearing EnhancedToughness
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Integrative Chemistry Toward Designing Polyvinyl Alcohol/Poly-aniline/Vanadium OxideNanocomposite-based Macroscopic Fibers: 1D-Highly Sensitive Alcohol Sensors Bearing EnhancedToughness

机译：朝向设计聚乙烯醇/聚苯胺/钒氧苯胺复合材料的综合化学宏观纤维：1D高度敏感的醇传感器，轴承增强

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摘要

Polyvinyl alcohol/Poly-aniline/Vanadium Oxide nanocomposite-based macroscopic fibers have beengenerated by using a redox reaction addressed while performing an extrusion shaping process. Theresulting composites have been thoroughly characterized via a large set of techniques such as SEM,SAXS, XRD and FTIR, in order to determine aniline effects over final materials' structures andproperties. Thus, the perturbation of the preferential orientation of the V2O5 nano-ribbons toward thefiber main axis, induced by aniline Red-ox intercalation, has been observed. Also, the partial reductionof V~(5+) species to V~(4+) ones, due to the strongly oxidizing character of the first ones towardaniline, has been revealed by Electron Spin Resonance (ESR). Moreover, these fibers are able todetect 5 ppm of ethanol within 3-5 seconds at 42 °C, and possess a toughness of 12 J.g~(-1).
机译：通过使用在进行挤出成型过程的同时解决的氧化还原反应，通过使用氧化还原反应，通过使用氧化还原反应来获得聚乙烯醇/聚苯胺/钒酰胺类宏观纤维。通过诸如SEM，萨克斯，XRD和FTIR的大量技术进行了彻底的特征，以确定对最终材料的结构andproperties的苯胺效应。因此，已经观察到，已经观察到由苯胺红氧嵌入诱导的V2O5纳米带对不纤维主轴的优先取向的扰动。此外，由于第一滴角素的强烈氧化特性，V〜（5+）种类的部分还原为V〜（4+），电子旋转共振（ESR）揭示。此外，这些纤维在42℃下能够在3-5秒内滴注5ppm乙醇，并且具有12J.g〜（-1）的韧性。

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