Highly dispersible disk-like graphene nanoflakes

We present the preparation of disk-like graphene nanoflakes, highly dispersible in dimethylformamide (DMF), with uniform size and thickness. The preparation procedure includes an overnight mild sonication of natural graphite in DMF, followed by a purification step using ultra-centrifugation. The mea...

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Bibliographic Details
Published inNanoscale Vol. 7; no. 37; pp. 15059 - 15064
Main Authors Georgakilas, Vasilios, Vrettos, Katerina, Katomeri, Katerina, Kouloumpis, Antonios, Dimos, Konstantinos, Gournis, Dimitris, Zboril, Radek
Format Journal Article
LanguageEnglish
Published England 07.10.2015
Subjects
Graphene
Graphite
Nanostructure
Purification
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Summary:We present the preparation of disk-like graphene nanoflakes, highly dispersible in dimethylformamide (DMF), with uniform size and thickness. The preparation procedure includes an overnight mild sonication of natural graphite in DMF, followed by a purification step using ultra-centrifugation. The mean diameter of the as produced well defined round shaped graphene nanoflakes is about 100 nm and they consisted of less than twenty graphenic layers.
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ISSN:2040-3364
2040-3372
DOI:10.1039/c5nr04422g