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Immanuel Willerich and Prof. Dr. Franziska Gröhn Photoswitchable Nanoassemblies by Electrostatic Self-Assembly Angewandte Chemie International Edition 49

Article first published online: 26 AUG 2010 | DOI: 10.1002/anie.201003271

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Light controls size: A novel type of self-organized supramolecular nanoparticles can change their size upon irradiation with UV light (see picture). The doubly responsive system combines a light-triggered size with a pH-induced switching between nanoscale aggregates and molecular building blocks. The nano-objects form by a combination of ionic and π–π interactions between macro-ions and dye ions.

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