Liquid-phase exfoliation of flaky graphite

Alexandra S. Pavlova; Ekaterina A. Obraztsova; Alexey V. Belkin; Christelle Monat; Pedro Rojo-Romeo; Elena D. Obraztsova

doi:10.1117/1.JNP.10.012525

10 February 2016 Liquid-phase exfoliation of flaky graphite

Alexandra S. Pavlova, Ekaterina A. Obraztsova, Alexey V. Belkin, Christelle Monat, Pedro Rojo-Romeo, Elena D. Obraztsova

Author Affiliations +

Journal of Nanophotonics, Vol. 10, Issue 1, 012525 (February 2016). https://doi.org/10.1117/1.JNP.10.012525

Abstract

The majority of currently available methods of graphene production have certain drawbacks limiting its scaling. Unlike the others, liquid-phase exfoliation of graphite is a promising technique for high-yield graphene production. In this work, we present our results on one- to four-layer graphene production using various solvents and surfactants from flaky graphite. We suppose that the initial graphite in the form of millimeter-size flakes can be more advantageous for extended graphene flake acquisition than graphite powder consisting of tiny particles used in previous works. Half-centimeter–size graphene films were obtained by depositing exfoliated flakes on an arbitrary substrate. Such films can be useful for electronic and photonic applications.

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Alexandra S. Pavlova, Ekaterina A. Obraztsova, Alexey V. Belkin, Christelle Monat, Pedro Rojo-Romeo, and Elena D. Obraztsova "Liquid-phase exfoliation of flaky graphite," Journal of Nanophotonics 10(1), 012525 (10 February 2016). https://doi.org/10.1117/1.JNP.10.012525

Published: 10 February 2016

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