Thermal conductivity of carbon nanotubes and graphene in epoxy nanofluids and nanocompositesReport as inadecuate




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Nanoscale Research Letters

, 6:610

First Online: 01 December 2011Received: 19 August 2011Accepted: 01 December 2011

Abstract

We employed an easy and direct method to measure the thermal conductivity of epoxy in the liquid nanofluid and solid nanocomposite states using both rodlike and platelet-like carbon-based nanostructures. Comparing the experimental results with the theoretical model, an anomalous enhancement was obtained with multiwall carbon nanotubes, probably due to their layered structure and lowest surface resistance. Puzzling results for functionalized graphene sheet nanocomposites suggest that phonon coupling of the vibrational modes of the graphene and of the polymeric matrix plays a dominant role on the thermal conductivities of the liquid and solid states.

PACS : 74.25.fc; 81.05.Qk; 81.07.Pr.

Keywordscarbon nanotubes graphene nanocomposites nanofluids thermal conductivity Electronic supplementary materialThe online version of this article doi:10.1186-1556-276X-6-610 contains supplementary material, which is available to authorized users.

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Author: Mario Martin-Gallego - Raquel Verdejo - Mohamed Khayet - Jose Maria Ortiz de Zarate - Mohamed Essalhi - Miguel Angel Lope

Source: https://link.springer.com/







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