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Synthesis of polymer bead nano-necklaces on aligned carbon nanotube scaffolds

机译:对准碳纳米管支架上的聚合物珠纳米项链的合成

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摘要

Here, we report the fabrication of aligned carbon nanotube (A-CNT)/conducting polymer (CP) heterostructures with both uniform conformal and periodic beaded polymer morphologies via oxidative chemical vapor deposition of poly(ethylenedioxythiophene). Periodic beaded CP morphologies are realized utilizing the Plateau-Rayleigh instability to transform the original uniform conformal film, yielding a beaded CP morphology with a >50% enhancement in specific surface area (SSA). Modeling indicates that this SSA increase originates from the internal volume of the A-CNTs becoming available for adsorption, and that these internal A-CNT surfaces, if they could be made accessible to electrolyte ions, could lead to >30% enhancement of specific gravimetric and volumetric capacitances of current state-of-the-art A-CNT/CP heterostructures.
机译:这里,我们通过聚(亚乙二烯酮)的氧化化学气相沉积来报告对准碳纳米管(A-CNT)/导电聚合物(CP)异质结构的制备,其均匀的共形和周期性串珠状的聚合物形态。 利用Plateau-rayleigh不稳定性实现定期串珠CP形态以改变原始的均匀集合膜,产生串珠CP形态,在比表面积(SSA)中具有> 50%增强。 建模表明,该SSA增加来自A-CNT的内部体积,该内部容积可用于吸附,并且这些内部A-CNT表面,如果可以对电解质离子进行可访问,则可能导致特定重量的> 30%增强 和当前最先进的A-CNT / CP异质结构的体积电容。

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