Chemical-free exfoliation of hexagonal boron nitride via cavitation-bubble plasma in water

Hexagonal boron nitride (h-BN) sheets have numerous applications, but current low-cost, environmentally friendly techniques for h-BN exfoliation yield undesirably small sheet sizes. We have developed a novel chemical-free method to prepare large h-BN nanosheets (BNNSs) by the exfoliation of h-BN usi...

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Veröffentlicht in:	Journal of physics. D, Applied physics Applied physics, 2022-08, Vol.55 (33), p.335204
Hauptverfasser:	Goto, Taku, Hatakeyama, Kazuto, Ito, Tsuyohito, Inoue, Kenichi, Hakuta, Yukiya, Shimizu, Yoshiki, Terashima, Kazuo
Format:	Artikel
Sprache:	eng
Schlagworte:	2D materials cavitation-bubbles exfoliation plasma in liquid
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container_issue	33
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container_title	Journal of physics. D, Applied physics
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creator	Goto, Taku Hatakeyama, Kazuto Ito, Tsuyohito Inoue, Kenichi Hakuta, Yukiya Shimizu, Yoshiki Terashima, Kazuo
description	Hexagonal boron nitride (h-BN) sheets have numerous applications, but current low-cost, environmentally friendly techniques for h-BN exfoliation yield undesirably small sheet sizes. We have developed a novel chemical-free method to prepare large h-BN nanosheets (BNNSs) by the exfoliation of h-BN using plasma with cavitation bubbles in water, named here as cavitation-bubble plasma. Unlike ordinary liquid exfoliation methods, which reduce the sheet size of BNNSs compared with that of the starting h-BN, the cavitation-bubble plasma process exfoliated h-BN without reducing the sheet size. Furthermore, the plasma dramatically improved the exfoliation yield.
doi_str_mv	10.1088/1361-6463/ac717c
format	Article
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title	Chemical-free exfoliation of hexagonal boron nitride via cavitation-bubble plasma in water
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