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Microplasma Processed Ultrathin Boron Nitride Nanosheets for Polymer Nanocomposites with Enhanced Thermal Transport Performance
Zhejiang University, Peoples R China; Queens University of Belfast, North Ireland; University of Ulster, North Ireland.
Queens University of Belfast, North Ireland.
China Academic Engn Phys, Peoples R China.
Linköping University, Department of Physics, Chemistry and Biology, Plasma and Coating Physics. Linköping University, Faculty of Science & Engineering.
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2016 (English)In: ACS Applied Materials and Interfaces, ISSN 1944-8244, E-ISSN 1944-8252, Vol. 8, no 21, 13567-13572 p.Article in journal (Refereed) PublishedText
Abstract [en]

This Research Article reports on the enhancement of the thermal transport properties of nanocomposite materials containing hexagonal boron nitride in poly(vinyl alcohol) through room-temperature atmospheric pressure direct-current microplasma processing. Results show that the microplasma treatment leads to exfoliation of the hexagonal boron nitride in isopropyl alcohol, reducing the number of stacks from amp;gt;30 to a few or single layers. The thermal diffusivity of the resulting nanocomposites reaches 8.5 mm(2) s(-1) times greater than blank poly(vinyl alcohol) and twice that of nanocomposites containing nonplasma treated boron nitride nanosheets. From TEM analysis, we observe much less aggregation Of the nanosheets after plasma processing along with indications of an amorphous carbon interfacial layer, which may contribute to stable dispersion of boron nitride nanosheets in the resulting plasma treated colloids.

Place, publisher, year, edition, pages
AMER CHEMICAL SOC , 2016. Vol. 8, no 21, 13567-13572 p.
Keyword [en]
boron nitride; microplasma; thermal transport; exfoliation; phonon; polymer nanocomposites
National Category
Materials Chemistry
URN: urn:nbn:se:liu:diva-130134DOI: 10.1021/acsami.6b01531ISI: 000377150400044PubMedID: 27153343OAI: diva2:948568

Funding Agencies|National Natural Science Foundation of China [51203135, 51173174]; Invest NI PoC award [325]; COST Action [TD1208]; Engineering & Physical Sciences Research Council (EPSRC) [EP/M024938/1, EP/K022237/1]

Available from: 2016-07-12 Created: 2016-07-11 Last updated: 2016-09-27

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Askari Ghotbabadi, Sadegh
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