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Srinivasan Sampath, Ashish N. Basuray, Karel J. Hartlieb, Taner Aytun, Samuel I. Stupp and J. Fraser Stoddart Direct Exfoliation of Graphite to Graphene in Aqueous Media with Diazaperopyrenium Dications Advanced Materials 25

Version of Record online: 3 APR 2013 | DOI: 10.1002/adma.201205157

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The 2,9-dimethyldiazaperopyrenium dication can be made from a ubiquitous and inexpensive feedstock in three simple steps as its chloride salt. When mixed with powdered graphite at 23 °C, this behemoth of a molecular compound exfoliates graphite to graphene in water under mild conditions.

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