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Correlations between Percolation Threshold, Dispersion State, and Aspect Ratio of Carbon Nanotubes

Li, J., Ma, P. C., Chow, W. S., To, C. K., Tang, B. Z., Kim, J.‐K.·2007·Advanced Functional Materials

Abstract

Critical factors that determine the percolation threshold of carbon nanotube (CNT)‐reinforced polymer nanocomposites are studied. An improved analytical model is developed based on an interparticle distance concept. Two dispersion parameters are introduced in the model to correctly reflect the different dispersion states of CNTs in the matrix—entangled bundles and well‐dispersed individual CNTs. CNT–epoxy nanocomposites with different dispersion states are fabricated from the same constituent materials by employing different processing conditions. The corresponding percolation thresholds of the nanocomposites vary over a wide range, from 0.1 to greater than 1.0 wt %, and these variations are explained in terms of dispersion parameters and aspect ratios of CNTs. Important factors that control the percolation threshold of nanocomposites are identified based on the comparison between modeling data and experimental results.

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Metadata

Authors
Li, J., Ma, P. C., Chow, W. S., To, C. K., Tang, B. Z., & Kim, J. ‐.
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2007-09-05
Volume
17
Issue
16
Pages
3207-3215
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
OpenAlex
W2009812626
Cited by
1,104
References
0
FWCI
12.80
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Correlations between Percolation Threshold, Dispersion State, and Aspect Ratio of Carbon Nanotubes. https://app.cochat.ai/papers/10.1002/adfm.200700065
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Li, J., Ma, P. C., Chow, W. S., To, C. K., Tang, B. Z., & Kim, J. ‐. (2007). Correlations between Percolation Threshold, Dispersion State, and Aspect Ratio of Carbon Nanotubes. Advanced Functional Materials. https://doi.org/10.1002/adfm.200700065

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