Aqueous dispersion of hexagonal boron nitride via plasma processing in a hydroquinone solution

Plasma processing in a solution with a hydroquinone additive was performed for the aqueous dispersion of hexagonal boron nitride (h-BN), and the effect of the hydroquinone additive was determined by analyzing the zeta potential distribution. The hydroquinone additive enhanced plasma modification in...

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Bibliographic Details
Published in:Journal of physics. D, Applied physics Applied physics, 2020-10, Vol.53 (42), p.42
Main Authors: Inoue, Kenichi, Goto, Taku, Iida, Masaki, Ito, Tsuyohito, Shimizu, Yoshiki, Hakuta, Yukiya, Terashima, Kazuo
Format: Article
Language:English
Subjects:
hexagonal boron nitride
plasma in solution
surface modification
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Summary:Plasma processing in a solution with a hydroquinone additive was performed for the aqueous dispersion of hexagonal boron nitride (h-BN), and the effect of the hydroquinone additive was determined by analyzing the zeta potential distribution. The hydroquinone additive enhanced plasma modification in the solution to produce well-dispersed h-BN particles separated by centrifugation. The mean zeta potential improved up to −50 mV at neutrality and maintained in a pH range of 6-9. Infrared absorption spectra suggested that the dispersed h-BN particles were modified with hydroxyl functional groups by plasmas in the solution.
ISSN:0022-3727
1361-6463
DOI:10.1088/1361-6463/ab97dd