Nanostructure of trialkylmethylammonium bistriflamide ionic liquids studied by molecular dynamics

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Abstract

Our previous simulation studies on the nanostructuration of ionic liquids are extended to the homologous series of trialkylmethylammonium bis(trifluoromethanesulfonyl)amide ionic liquids [N-1 n n n][NTf2] (n = 4, 6, and 8) recently studied by Pott and Meleard using small-angle X-ray scattering. Comparisons between experimental and simulation results allowed us to conclude that ionic liquids of this and other homologous series with sufficiently large alkyl side chains are nanostructured media composed by polar and nonpolar domains and that their complex structure can be further subdivided according to different classes of morphology (globular, filamentous, stratified). These different topologies are a result of the specific ionic frames and interactions, characteristics of each type of cation and anion present in the homologous series.
Original languageUnknown
Pages (from-to)15635-15641
JournalJournal Of Physical Chemistry B
Volume114
Issue number47
DOIs
Publication statusPublished - 1 Jan 2010

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