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Issue 6, 2019
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Liquid-phase exfoliation of graphite into graphene nanosheets in a hydrocavitating ‘lab-on-a-chip’

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Abstract

Hydrodynamic cavitation ‘on a chip’ has been used to achieve liquid-phase exfoliation of natural graphite to get graphene. We have taken advantage of the small size of such a ‘lab-on-a-chip’ (LOC) with low input-power consumption, to produce afterwards few layers of graphene nanosheets in a surfactant suspension. Characterization of the processed material has been performed by TGA analysis, SEM, TEM, AFM and Raman measurements. Observations have demonstrated the presence of monolayers and few layers of graphene with a lateral size around 300 nm, exfoliated from a graphite powder suspension flowing through the microsystem.

Graphical abstract: Liquid-phase exfoliation of graphite into graphene nanosheets in a hydrocavitating ‘lab-on-a-chip’

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Article information


Submitted
13 Jul 2018
Accepted
18 Jan 2019
First published
24 Jan 2019

This article is Open Access

RSC Adv., 2019,9, 3232-3238
Article type
Paper

Liquid-phase exfoliation of graphite into graphene nanosheets in a hydrocavitating ‘lab-on-a-chip’

X. Qiu, V. Bouchiat, D. Colombet and F. Ayela, RSC Adv., 2019, 9, 3232
DOI: 10.1039/C8RA05976D

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    [Original citation] - Published by The Royal Society of Chemistry.

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