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首页> 外文期刊>Journal of Applied Polymer Science >Optical, electrical, and electrochemical properties of graphene based water soluble polyaniline composites
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Optical, electrical, and electrochemical properties of graphene based water soluble polyaniline composites

机译：石墨烯基水溶性聚苯胺复合材料的光学，电和电化学性能

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Polyaniline (PANI) is one of the most common polymers known for its conducting properties. However, poor water solubility limits its applications. In this work, PANI has been functionalized with sulfonic acid groups to produce sulfonated PANI (SPANI) offering excellent solubility in water. To compensate for the decrease of electrical conductivity due to functionalization, SPANI was combined with reduced graphene oxide (RGO) to form SPANI/RGO composites with interesting optical, thermal, and electrical properties. The composites have been characterized using X-ray diffraction (XRD), field emission scanning electron microscopy, UV-vis absorption spectroscopy, Raman spectroscopy, Fourier-transform infrared spectroscopy, X-ray photoelectron spectroscopy, thermogravimetric analysis, cyclic voltammetry, and four probe electrical conductivity measurement. The SPANI/RGO composites show increased thermal stability, reduced optical band gap and improved electrochemical properties compared with the pure polymer. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42766.
机译：聚苯胺（PANI）是因其导电性能而闻名的最常见的聚合物之一。但是，水溶性差限制了它的应用。在这项工作中，PANI已被磺酸基团官能化，以生产磺化的PANI（SPANI），在水中具有出色的溶解性。为了补偿由于功能化而导致的电导率的降低，将SPANI与还原的氧化石墨烯（RGO）结合使用，以形成具有令人感兴趣的光学，热和电性能的SPANI / RGO复合材料。使用X射线衍射（XRD），场发射扫描电子显微镜，紫外可见吸收光谱，拉曼光谱，傅立叶变换红外光谱，X射线光电子能谱，热重分析，循环伏安法和四探针对复合材料进行了表征电导率测量。与纯聚合物相比，SPANI / RGO复合材料显示出更高的热稳定性，减小的光学带隙和改善的电化学性能。 （c）2015 Wiley Periodicals，Inc. J. Appl。 Polym。科学2015，132，42766。

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