Photoswitchable Nanoassemblies by Electrostatic Self-Assembly

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. Th...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2010-10, Vol.49 (44), p.8104-8108
Main Authors: Willerich, Immanuel, Gröhn, Franziska
Format: Article
Language:English
Subjects:
aggregation
colloids
dendrimers
nanoparticles
polymers
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Summary: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.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201003271