Surface functionalization on the thermal conductivity of graphene–polymer nanocomposites

Wang, Mingchao, Galpaya, Dilini, Lai, Zheng Bo, Xu, Yanan, & Yan, Cheng (2014) Surface functionalization on the thermal conductivity of graphene–polymer nanocomposites. International Journal of Smart and Nano Materials, 5(2), pp. 123-132.

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Exploring thermal transport in graphene-polymer nanocomposite is significant to its applications with better thermal properties. Interfacial thermal conductance between graphene and polymer matrix plays a critical role in the improvement of thermal conductivity of graphene-polymer nanocomposite. Unfortunately, it is still challenging to understand the interfacial thermal transport between graphene nanofiller and polymer matrix at small material length scale. To this end, using non-equilibrium molecular dynamics simulations, we investigate the interfacial thermal conductance of graphene-polyethylene (PE) nanocomposite. The influence of functionalization with hydrocarbon chains on the interfacial thermal conductance of graphene-polymer nanocomposites was studied, taking into account of the effects of model size and thermal conductivity of graphene. An analytical model is also used to calculate the thermal conductivity of nanocomposite. The results are considered to contribute to development of new graphene-polymer nanocomposites with tailored thermal properties.

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11 citations in Scopus
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ID Code: 69115
Item Type: Journal Article
Refereed: Yes
Keywords: Graphene, Functionalization, Nanocomposite, Interface, Thermal transport
DOI: 10.1080/19475411.2014.904828
ISSN: 1947-5411
Subjects: Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > CONDENSED MATTER PHYSICS (020400) > Surfaces and Structural Properties of Condensed Matter (020406)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200) > Composite and Hybrid Materials (091202)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 The Author(s). Published by Taylor & Francis.
Copyright Statement: This is an Open Access article distributed under the terms of the Creative Commons Attribution License http://creativecommons. org/licenses/by/3.0/, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The moral rights of the named author(s) have been asserted.
Deposited On: 25 Mar 2014 01:17
Last Modified: 12 May 2015 22:08

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