Micelle to extended multi-component bilayer systems involving decyl and dodecyl imidazolium and pyridinium cations

Irene Ling, Alexandre Sobolev, Yatimah Alias, Colin Raston

    Research output: Contribution to journalArticlepeer-review

    10 Citations (Scopus)

    Abstract

    Imidazolium and pyridinium cations bearing C10 or C 12n-alkyl chains form multi-component self-assembled bilayer arrangements in the solid state with p-sulfonated calix[4]arene and large tetra-aryl phosphonium cations, along with aquated Y3+ or Gd 3+. The phosphonium cations are embedded in bilayers of calixarenes with the head group of the n-alkyl imidazolium or pyridinium cation directed into the cavity of the calixarene. The end of the alkyl chain penetrates the adjacent bilayer, with the flexibility of the alkyl moiety itself important in predetermining the arrangement of the components in the bilayers. Procrystal isosurface in the solid state has been investigated using CrystalExplorer, and the nature of the species in solution investigated using 1H NMR spectroscopy and dynamic light scattering, in understanding the link between spherical self-assembled species in solution and extended structures in the solid state.

    Original languageEnglish
    Pages (from-to)2888-2896
    Number of pages9
    JournalCrystEngComm
    Volume15
    Issue number15
    DOIs
    Publication statusPublished - 2013

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