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Salen‐Based Amphiphiles: Directing Self‐Assembly in Water by Metal Complexation
Authors:Filippo Tosi  Marc C A Stuart  Sander J Wezenberg  Ben L Feringa
Abstract:Tuning morphologies of self‐assembled structures in water is a major challenge. Herein we present a salen‐based amphiphile which, using complexation with distinct transition metal ions, allows to control effectively the self‐assembly morphology in water, as observed by Cryo‐TEM and confirmed by DLS measurements. Applying this strategy with various metal ions gives a broad spectrum of self‐assembled structures starting from the same amphiphilic ligand (from cubic structures to vesicles and micelles). Thermogravimetric analysis and electric conductivity measurements reveal a key role for water coordination apparently being responsible for the distinct assembly behavior.
Keywords:Aggregation  Amphiphile  Selbstorganisation  Ü  bergangsmetalle  Wasser-Koordination
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