Supramolecular guests in solvent driven block copolymerassembly: from internally structured nanoparticles to micelles
Literature Information
Daniel Klinger, Maxwell J. Robb, Jason M. Spruell, Nathaniel A. Lynd, Luke A. Connal
Supramolecular interactions between different hydrogen-bonding guests and poly(2-vinylpyridine)-block-poly(styrene) can be exploited to prepare remarkably diverse self-assembled nanostructures in dispersion from a single block copolymer (BCP). The characteristics of the BCP can be efficiently controlled by tailoring the properties of a guest which preferentially binds to the P2VP block. For example, the incorporation of a hydrophobic guest creates a hydrophobic BCP complex that forms phase separated nanoparticles upon self-assembly. Conversely, the incorporation of a hydrophilic guest results in an amphiphilic BCP complex that forms spherical micelles in water. The ability to tune the self-assembly behavior and access dramatically different nanostructures from a single BCP substrate demonstrates the exceptional versatility of the self-assembly of BCPs driven by supramolecular interactions. This approach represents a new methodology that will enable the further design of complex, responsive self-assembled nanostructures.
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Polymer Chemistry

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