Self-assembly of a nonionic surfactant at the graphite/ionic liquid interface

Rob Atkin, Gregory G. Warr

Research output: Contribution to journalArticlepeer-review

109 Citations (Scopus)


In this study, we demonstrate by AFM imaging that nonionic surfactants self-assemble into hemicylindrical aggregates at the interface between graphite and the room temperature ionic liquid ethylammonium nitrate. Like aqueous systems, surfactant first adsorbs in a tail-to-tail monolayer arrangement along one of the three symmetry axes of graphite, templating subsequent self-assembly into adsorbed hemicylinders. Longer surfactant tails and higher concentrations are required to produce hemicylindrical aggregates in the ionic liquid than in aqueous solutions.

Original languageEnglish
Pages (from-to)11940-11941
Number of pages2
JournalJournal of the American Chemical Society
Issue number34
Publication statusPublished - 31 Aug 2005
Externally publishedYes


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