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Carbon Letters

, Volume 29, Issue 6, pp 567–577 | Cite as

Effects of interphase regions and tunneling distance on the electrical conductivity of polymer carbon nanotubes nanocomposites

  • Yasser Zare
  • Vesna Mišković-Stanković
  • Kyong Yop RheeEmail author
Original Article
  • 21 Downloads

Abstract

In this paper, an analytical model is developed for electrical conductivity of nanocomposites, particularly polymer/carbon nanotubes nanocomposites. This model considers the effects of aspect ratio, concentration, waviness, conductivity and percolation threshold of nanoparticles, interphase thickness, wettability between polymer and filler, tunneling distance between nanoparticles and network fraction on the conductivity. The developed model is confirmed by experimental results and parametric studies. The calculations show good agreement with the experimental data of different samples. The concentration and aspect ratio of nanoparticles directly control the conductivity. Moreover, a smaller distance between nanoparticles increases the conductivity based on the tunneling mechanism. A thick interphase also causes an increased conductivity, because the interphase regions participate in the networks and enhance the effectiveness of nanoparticles.

Keywords

Polymer nanocomposites Electrical conductivity Interphase Aspect ratio Tunneling distance Surface energy 

Notes

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Copyright information

© Korean Carbon Society 2019

Authors and Affiliations

  • Yasser Zare
    • 1
  • Vesna Mišković-Stanković
    • 1
  • Kyong Yop Rhee
    • 1
    Email author
  1. 1.Department of Mechanical Engineering, College of EngineeringKyung Hee UniversityGiheung, YonginRepublic of Korea

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