Abstract
AbstractTwo new benzenesulphonamido group containing anionic amphiphiles named Sodium[11‐benzenesulphonamido‐undecanoate] (SBSAU) and Sodium[11‐benzenesulphonamido‐undecanamido]ethanoate (SBSAUG) have synthesized and characterized by FT‐IR, 1H‐NMR and LC–Mass spectroscopy. The surface properties of the amphiphiles have evaluated by tensiometry measurement. Steady state fluorescence measurement revealed the microenvironment of the self‐assemblies are very rigid and non polar. DLS study indicated formation of larger aggregates in solution. Formation of intermolecular hydrogen bonds through amide linkage and sulphonamide group has been established by 1H‐NMR study. XRD measurement was performed to realize the arrangement of the hydrocarbon chains in the lamellar structure. Presence of closed aqueous compartment was confirmed by GPC analysis. TEM micrographs showed that closed bilayer vesicles are formed in aqueous solutions of the amphiphiles. The permeable nature of the vesicle wall was investigated by kinetic study using riboflavin as probe molecule. Both the amphiphiles have successfully utilized to prepare stable silver nanoparticle.
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