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首页> 外文期刊>Journal of Applied Polymer Science >Synergistic Effect of Dopant Combination and Switchover in Formation Mechanism of Polyaniline Nanowire
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Synergistic Effect of Dopant Combination and Switchover in Formation Mechanism of Polyaniline Nanowire

机译：掺杂组合和转换对聚苯胺纳米线形成机理的协同作用

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Self-assembled polyaniline (PAni) was synthesized electrochemically in dimethylformamide medium to study the effect of simultaneous use of organic-inorganic dopant combination in aprotic polar synthesis medium. During the synthesis process, simultaneous dual doping was performed using p-toluenesulfonic acid and sulfuric acid with varying the ratio of the dopants keeping their total concentration unchanged. Nanowire meshes were formed where switchover in nanostructure formation is observed. Nanowire in individually doped PAni was formed with directional joining of smaller nanoparticles or from multilayered tubular nanostructures whereas, for dual doped PAni, either of these two was observed. Periodicity parallel and perpendicular to polymer chain were found in well correlation with diameter of nanowires. Synergistic improvements in AC conductivity, specific capacitance, and thermal degradation within certain temperature range were observed in particular ratio of the dopants. (c) 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41520.
机译：在二甲基甲酰胺介质中电化学合成自组装聚苯胺（PAni），以研究在质子惰性极性合成介质中同时使用有机-无机掺杂剂组合的效果。在合成过程中，使用对甲苯磺酸和硫酸进行同时双重掺杂，改变掺杂剂的比例，使它们的总浓度保持不变。形成纳米线网孔，其中观察到纳米结构形成中的转换。单独掺杂的PAni中的纳米线是通过较小的纳米粒子或多层管状纳米结构的定向连接而形成的，而对于双重掺杂的PAni，则可以观察到这两者之一。发现平行和垂直于聚合物链的周期性与纳米线的直径具有良好的相关性。观察到特定比例的掺杂剂在一定温度范围内的交流电导率，比电容和热降解的协同改善。 （c）2014 Wiley Periodicals，Inc. J. Appl。 Polym。科学2015，132，41520。

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