Direct Exfoliation of Graphite to Graphene in Aqueous Media with Diazaperopyrenium Dications

Srinivasan Sampath, Ashish N. Basuray, Karel J. Hartlieb, Taner Aytun, Samuel I. Stupp, J. Fraser Stoddart

Advanced Materials · 2013 · 91 citations · 63 references

Concepts

Abstract

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.

References

63