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BN Nanosheet/Polymer Films with Highly Anisotropic Thermal Conductivity for Thermal Management Applications
Journal article   Open access   Peer reviewed

BN Nanosheet/Polymer Films with Highly Anisotropic Thermal Conductivity for Thermal Management Applications

Yuanpeng Wu, Ye Xue, Si Qin, Dan Liu, Xuebin Wang, Xiao Hu, Jingliang Li, Xungai Wang, Yoshio Bando, Dmitri Golberg, …
ACS applied materials & interfaces, v 9(49), pp 43163-43170
13 Dec 2017
DOI: https://doi.org/10.1021/acsami.7b15264
PMID: 29160066
url
https://eprints.qut.edu.au/114850/9/114850_postprint.pdfView
SubmittedOpen Access (License Unspecified),  Open

Abstract

BN nanosheet poly(diallyl dimethyl ammonium chloride) composite film thermal conductivity
The development of advanced thermal transport materials is a global challenge. Two-dimensional nanomaterials have been demonstrated as promising candidates for thermal management applications. Here, we report a boron nitride (BN) nanosheet/polymer composite film with excellent flexibility and toughness prepared by vacuum-assisted filtration. The mechanical performance of the composite film is highly flexible and robust. It is noteworthy that the film exhibits highly anisotropic properties, with superior in-plane thermal conductivity of around 200 W m–1 K–1 and extremely low through-plane thermal conductivity of 1.0 W m–1 K–1, making this material an excellent candidate for thermal management in electronics. Importantly, the composite film shows fire-resistant properties. The newly developed unconventional flexible, tough, and refractory BN films are also promising for heat dissipation in a variety of applications.

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223 citations in Web of Science
228 citations in Scopus

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Domestic collaboration
International collaboration
Web of Science research areas
Materials Science, Multidisciplinary
Nanoscience & Nanotechnology
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