The electrical properties of polymer nanocomposites with carbon nanotube fillers

Ning Hu, Zen Masuda, Cheng Yan, Go Yamamoto, Hisao Fukunaga, Toshiyuki Hashida

Research output: Contribution to journalArticlepeer-review

314 Citations (Scopus)


The electrical properties of polymer nanocomposites containing a small amount of carbon nanotube (CNT) are remarkably superior to those of conventional electronic composites. Based on three-dimensional (3D) statistical percolation and 3D resistor network modeling, the electrical properties of CNT nanocomposites, at and after percolation, were successfully predicted in this work. The numerical analysis was also extended to investigate the effects of the aspect ratio, the electrical conductivity, the aggregation and the shape of CNTs on the electrical properties of the nanocomposites. A simple empirical model was also established based on present numerical simulations to predict the electrical conductivity in several electronic composites with various fillers. This investigation further highlighted the importance of theoretical and numerical analyses in the exploration of basic physical phenomena, such as percolation and conductivity in novel nanocomposites.

Original languageEnglish
Article number215701
Issue number21
Publication statusPublished - 2008 May 28


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