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Issue 30, 2016
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Production and stability of mechanochemically exfoliated graphene in water and culture media

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Abstract

The preparation of graphene suspensions in water, without detergents or any other additives is achieved using freeze-dried graphene powders, produced by mechanochemical exfoliation of graphite. These powders of graphene can be safely stored or shipped, and promptly dissolved in aqueous media. The suspensions are relatively stable in terms of time, with a maximum loss of ∼25% of the initial concentration at 2 h. This work provides an easy and general access to aqueous graphene suspensions of chemically non-modified graphene samples, an otherwise (almost) impossible task to achieve by other means. A detailed study of the stability of the relative dispersions is also reported.

Graphical abstract: Production and stability of mechanochemically exfoliated graphene in water and culture media

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Supplementary files

Article information


Submitted
20 Apr 2016
Accepted
27 Jun 2016
First published
28 Jun 2016

Nanoscale, 2016,8, 14548-14555
Article type
Paper

Production and stability of mechanochemically exfoliated graphene in water and culture media

V. León, J. M. González-Domínguez, J. L. G. Fierro, M. Prato and E. Vázquez, Nanoscale, 2016, 8, 14548
DOI: 10.1039/C6NR03246J

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