Abstract This paper presents a simple expression for tunneling diameter between neighboring carbon nanotubes (CNT) in polymer CNT nanocomposites (PCNT). Two developed models for conductivity of PCNT assuming interphase, tunneling effect, the fraction of networks and the whole resistance of components are linked to suggest the tunneling diameter by CNT, interphase and tunneling properties. The suggested equation expresses the variation of tunneling diameter at different filler concentrations for some samples. In addition, the suggested equation is applied to predict and justify the tunneling diameter at various levels of all factors. The tunneling diameter increases by the addition of filler concentration in the samples. In addition, thick CNT, poor percolation onset, dense interphase, high net fraction, high CNT conductivity and short tunneling distance expand the tunneling diameter. This study can help the researchers to enlarge the tunneling diameter providing the most desirable conductivity in nanocomposites.

中文翻译：

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聚合物纳米复合材料中相邻碳纳米管之间的隧道直径与界面深度、隧道因素和网络纳米粒子百分比的相关性

摘要 本文提出了聚合物碳纳米管纳米复合材料 (PCNT) 中相邻碳纳米管 (CNT) 之间隧道直径的简单表达式。假设中间相、隧道效应、网络分数和组件的整体电阻，两个开发的 PCNT 电导率模型被关联起来，以通过 CNT、中间相和隧道特性来建议隧道直径。建议的方程表达了某些样品在不同填料浓度下隧道直径的变化。此外，建议的方程用于在所有因素的不同水平上预测和证明隧道直径。隧道直径随着样品中填料浓度的增加而增加。此外，碳纳米管厚，渗透开始差，界面致密，净分数高，高碳纳米管电导率和短隧穿距离扩大了隧穿直径。这项研究可以帮助研究人员扩大隧道直径，从而在纳米复合材料中提供最理想的导电性。