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首页> 外文会议>Fall Technical Meeting of the Rubber Division, American Chemical Society >Controlling the conductive network formation of polymer nanocomposites filled with nanorods through the electric field
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Controlling the conductive network formation of polymer nanocomposites filled with nanorods through the electric field

机译：通过电场控制填充纳米棒的聚合物纳米复合材料的导电网络形成

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Here,we investigate the effect of the electric field on the conductive property of the PNCs by adopting coarse-grained molecular dynamics simulation.On one hand,the electrostatic force exerting on the nanorods induces the nanorod orientation,leading to the decrease of the homogeneous conductive probability;however,the electrostatic interaction induces the connection of the nanorod,resulting in the increase of the homogeneous conductive probability.Additionally,the directional conductive probability parallel to the electric field direction increases;however,the directional conductive probability perpendicular to the electric field direction shows a continuous decrease.Considering these two effects,the decrease or the increase of the homogeneous conductivity probability depends on the competition between the electrostatic force and the electrostatic interaction.The relationship among the anisotropy of the conductive probability,the nanorod volume fraction,the electrostatic force and the electrostatic interaction can be described quantitatively by an empirical formula.Another empirical formula is adopted to quantitatively describe the relationship among the percolation threshold,the electrostatic force and the electrostatic interaction.In summary,this work quantitatively describes the effect of the electric field on the conductive property of the PNCs,which can provide some useful guidances to design and fabricate PNCs with excellent conductivity properties by taking advantage of the external electric field.
机译：在这里，我们采用粗粒分子动力学simulation.On一方面调查的电场对PNCS的导电性的效果，静电力的纳米棒诱导施加在纳米棒取向，导致均匀的导电性的降低概率;然而，静电相互作用诱导的纳米棒的连接，从而导致均匀的导电性probability.Additionally，平行于电场方向增加方向性导电概率的增加;然而，垂直于电场方向的定向导电概率示出了一个连续decrease.Considering这两种效应，降低或均质导电概率的增加依赖于静电力和导电概率，纳米棒体积分数，静电的各向异性之间的静电interaction.The关系之间的竞争力和可以由经验formula.Another经验式定量描述静电相互作用，采用定量描述之间的逾渗阈值的关系，静电力和静电interaction.In总之，本工作定量地描述上的导电的电场的影响的PNCS，这可以通过取外部电场的优点提供了一些有用的导向管设计和制造PNCS具有优良的导电性能的属性。

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