Abstract
Two stilbazolium derivatives with different counter-anions (Br− and OH− ) have been designed and synthesised. Different counter-anions cause different aggregation properties. The reason of this difference was investigated through concentration- and temperature-dependent 1H NMR and IR spectra. When the counter-anion is OH− , the stilbazolium derivative exhibits pronounced aggregation properties. The scanning electron microscope images of xerogels show the characteristic gelation morphologies of 3D fibrous network structures. X-ray diffraction and fluorescence spectroscopy studies have been carried out, and provide more information to define the molecular packing model in gelation states. Finally, the acid-sensing abilities of the xerogel film were studied.
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