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

doi:10.1002/adma.201205157

Direct exfoliation of graphite to graphene in aqueous media with diazaperopyrenium dications

Adv Mater. 2013 May 21;25(19):2740-5. doi: 10.1002/adma.201205157. Epub 2013 Apr 3.

Authors

Srinivasan Sampath¹, Ashish N Basuray, Karel J Hartlieb, Taner Aytun, Samuel I Stupp, J Fraser Stoddart

Affiliation

¹ Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208, USA.

PMID: 23553617
DOI: 10.1002/adma.201205157

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.

Publication types

Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

Chlorides / chemistry*
Crystallization / methods*
Graphite / chemical synthesis*
Graphite / chemistry*
Macromolecular Substances / chemistry
Materials Testing
Molecular Conformation
Nanotechnology / methods*
Pyrenes / chemistry*
Surface Properties
Water / chemistry*

Substances

Chlorides
Macromolecular Substances
Pyrenes
Water
Graphite