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Raman study of polyaniline nanofibers prepared by interfacial polymerization

机译：界面聚合制备聚苯胺纳米纤维的拉曼研究

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Polyaniline nanofibers were synthesized by interfacial polymerization of aniline. Polyaniline so formed was studied using transmission electron microscopy, scanning electron microscopy, UV–vis and Raman spectroscopy.TEMof polymer dispersion shows the presence of fibers having diameter around 30–80 nm.Strikingly different Raman spectra were observed from the polyaniline film, which were related to two dissimilar areas on the film.SEMof polyaniline films shows fibrous as well as flake like structures scattered in fiber matrix. Raman spectra of the films heat treated from 25 ℃ to 300 ℃ were taken to study the structural variations induced by the change of temperature at these two regions. Many applications of polymer films are dependent on the homogeneity of the systems. In this workweintend to employ Raman Spectroscopy as an indispensable tool for looking into the non-uniformities of the polyaniline films.
机译：聚苯胺纳米纤维是通过苯胺的界面聚合而合成的。使用透射电子显微镜，扫描电子显微镜，UV-vis和拉曼光谱对形成的聚苯胺进行了研究。聚合物分散体的TEM显示存在直径约30-80 nm的纤维。从聚苯胺薄膜观察到明显不同的拉曼光谱，分别为聚苯胺薄膜的SEM显示纤维状和片状结构散布在纤维基质中。在25℃至300℃热处理的薄膜的拉曼光谱被用来研究这两个区域的温度变化引起的结构变化。聚合物薄膜的许多应用取决于系统的均匀性。在这项工作中，我们打算采用拉曼光谱法作为研究聚苯胺薄膜不均匀性的必不可少的工具。

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