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Photoswitchable Nanoassemblies by Electrostatic Self‐Assembly
Author(s) -
Willerich Immanuel,
Gröhn Franziska
Publication year - 2010
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201003271
Subject(s) - supramolecular chemistry , nanotechnology , photochromism , nanoscopic scale , computer science , ion , nanoparticle , macro , self assembly , materials science , chemistry , crystallography , crystal structure , programming language , organic chemistry
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.