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Title: Highly conductive carbon nanotube/polymer nanocomposites achievable?
Authors: Sun, Xinxin
Song, Mo
Keywords: Carbon nanotube
Issue Date: 2009
Publisher: © WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Citation: SUN, X. and SONG, M., 2009. Highly conductive carbon nanotube/polymer nanocomposites achievable? Macromolecular Theory and Simulations, 18 (3), pp. 155-161.
Abstract: Carbon nanotubes (NT) have attracted growing interest in recent years as a conducting filler in the development of conductive polymer composites. However, most of experimental results show that the conductivity of NT/polymer composites is significantly lower than expected. Can NTs be an effective conductive filler for improving the electrical conductivity of polymers? In order to answer this question, a continuum model was constructed by introducing effective tunneling conduction in a non-universal network for prediction of electrical conductivity of NT/polymer composites. Based on this model, the effect of the microstructure of NT/polymer composites on conductivity was assessed particularly for NT/polyethylene, NT/polyimide and NT/poly(vinyl alcohol) composites. NT contact resistance and tunneling resistance have significant influences on the conductivity. The effects of the potential barrier of polymer and the tortousity of single-walled NTs on the conductivity were also analyzed. NTs cannot be considered as a valuable conductive filler for the development of highly conductive polymer composites unless the contact and tunneling resistances are reduced significantly.
Description: This article is closed access. It was published in the journal, Macromolecular Theory and Simulations [© 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim] and is available at: http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1521-3919
Version: Closed access
DOI: 10.1002/mats.200800091
URI: https://dspace.lboro.ac.uk/2134/5475
Publisher Link: http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1521-3919
ISSN: 1022-1344
Appears in Collections:Closed Access (Materials)

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