Large enhancement of thermal conductivity of aluminum-reduced graphene oxide composites prepared by a single-step method

Simple item page
dc.citation.articleNumberitac015
dc.citation.issueNumber1
dc.citation.journalTitleOxford Open Materials Science
dc.citation.volumeNumber3
dc.contributor.authorMitra, Arijit
dc.contributor.authorSahoo, Mihir Ranjan
dc.contributor.authorSamal, Aiswarya
dc.contributor.authorPradhan, Sunil Kumar
dc.contributor.authorPolai, Balaram
dc.contributor.authorSahoo, Krishna Rani
dc.contributor.authorKar, Subrat
dc.contributor.authorSatpathy, Bijoy Kumar
dc.contributor.authorNarayanan, Tharangattu N
dc.contributor.authorAjayan, Pulickel M
dc.contributor.authorSatyam, Parlapalli V
dc.contributor.authorNayak, Saroj K
dc.date.accessioned2023-07-21T16:13:55Z
dc.date.available2023-07-21T16:13:55Z
dc.date.issued2023
dc.description.abstractMetal matrix composites have attracted extensive attention from both the research and industrial perspective. In this study, we prepared aluminum-reduced graphene oxide (Al–rGO) composites with enhanced thermal conductivity in an easy single-step process. Pristine Al shows a thermal conductivity of 175 Wm−1K−1 (standard deviation <5%), which increases to 293 Wm−1K−1 for an Al–rGO composite with 1% rGO. Analysis of theoretical models shows that a higher percentage of rGO inside the Al matrix creates a continuous network resulting in more available phase space through which heat carrier phonons travel with less scattering, and hence thermal conductivity of the composite increases. Furthermore, Al–rGO composites show an ∼5% increase in microhardness compared with pristine Al. The electrical resistivity of the composite is comparable to that of pristine Al for a narrow weight percentage of rGO, whereas a 70% enhancement in the thermal conductivity of the composite is observed for the same weight percentage range, suggesting possibilities for exploiting both high electrical and thermal conductivities for various applications.
dc.identifier.citationMitra, Arijit, Sahoo, Mihir Ranjan, Samal, Aiswarya, et al.. "Large enhancement of thermal conductivity of aluminum-reduced graphene oxide composites prepared by a single-step method." <i>Oxford Open Materials Science,</i> 3, no. 1 (2023) Oxford University Press: https://doi.org/10.1093/oxfmat/itac015.
dc.identifier.digitalitac015
dc.identifier.doihttps://doi.org/10.1093/oxfmat/itac015
dc.identifier.urihttps://hdl.handle.net/1911/115000
dc.language.isoeng
dc.publisherOxford University Press
dc.rightsExcept where otherwise noted, this work is licensed under a Creative Commons Attribution (CC BY) license.  Permission to reuse, publish, or reproduce the work beyond the terms of the license or beyond the bounds of Fair Use or other exemptions to copyright law must be obtained from the copyright holder.
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.titleLarge enhancement of thermal conductivity of aluminum-reduced graphene oxide composites prepared by a single-step method
dc.typeJournal article
dc.type.dcmiText
dc.type.publicationpublisher version
Files
Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
itac015.pdf
Size:
948.08 KB
Format:
Adobe Portable Document Format
Download
Collections
Faculty Publications
Materials Science and NanoEngineering Publications