Supramolecular amphiphiles refer to amphiphiles that are synthesized on the basis of non-covalent interactions. Its amphiphilicity can be tunable between hydrophilic and hydrophobic, thus allowing for controlled self-assembly. In this presentation, we will discuss how to employ charge-transferinteraction between electron donor and acceptor as a driving force for fabricating a supramolecular bola-amphiphile. An interesting finding is that the introduction of charge-transfer interaction into the supramolecular assembly results in a transformation from tubes-like to vesicles. Along the same line of research, we also attempt to use 8-hydroxypyrene-1,3,6-trisulfonic acid trisodium salt to fabricate a stimuli-responsive supramolecular amphiphile. The supramolecular amphiphile can self-assemble into ultra-long nanofibers, and notably, its straightness can be tuned in response to different pH.References[1] C. Wang, X. Zhang et al., Angew. Chem. Int. Ed. 2008, 47, 9049[2] C. Wang, X. Zhang et al., Angew. Chem. Int. Ed. 2009, 48, in press

Supramolecular amphiphiles based on charge transfer interactions: Controlled self-assembly and disassembly

239th National Meeting (2010)

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