Polymer vesicles with a colloidal armor of nanoparticles

Chen, Rong and Pearce, Daniel J.G. and Fortuna, Sara and Cheung, David and Bon, Stefan A.F. (2011) Polymer vesicles with a colloidal armor of nanoparticles. Journal of the American Chemical Society, 133 (7). pp. 2151-2153. ISSN 0002-7863 (https://doi.org/10.1021/ja110359f)

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The fabrication of polymer vesicles with a colloidal armor made from a variety of nanoparticles is demonstrated. In addition, it is shown that the armored supracolloidal structure can be postmodified through film-formation of soft polymer latex particles on the surface of the polymersome, hereby effectively wrapping the polymersome in a plastic bag, as well as through formation of a hydrogel by disintegrating an assembled polymer latex made from poly(ethyl acrylate-co-methacrylic acid) upon increasing the pH. Furthermore, ordering and packing patterns are briefly addressed with the aid of Monte Carlo simulations, including patterns observed when polymersomes are exposed to a binary mixture of colloids of different size.