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Martín Gallego, Mario and Verdejo, Raquel and Khayet Souhaimi, Mohamed and Ortiz de Zárate Leira, José María and Essalhi, Mohamed and López Manchado, Miguel Ángel (2011) Thermal conductivity of carbon nanotubes and graphene in epoxy nanofluids and nanocomposites. Nanoscale research letters, 6 . ISSN 1931-7573
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Official URL: http://dx.doi.org/10.1186/1556-276X-6-610
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.
Item Type: | Article |
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Additional Information: | © 2011 Martín Gallego et al; licensee Springer. The work was supported by the Spanish Ministry of Science and Innovation (MICINN) under project MAT 2010-18749. MMG thanks the CSIC for a JAE-Pre grant. |
Uncontrolled Keywords: | Elastic properties; Heat-flow; Composites; Suspensions; Systems |
Subjects: | Sciences > Physics > Thermodynamics |
ID Code: | 26059 |
Deposited On: | 08 Jul 2014 09:34 |
Last Modified: | 26 Feb 2015 09:59 |
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