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Optical Switching of Self‐Assembly: Micellization and Micelle–Hollow‐Sphere Transition of Hydrogen‐Bonded Polymers
Author(s) -
Liu Xikui,
Jiang Ming
Publication year - 2006
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.200504364
Subject(s) - azobenzene , photoisomerization , micelle , copolymer , polymer , hydrogen bond , materials science , polymer chemistry , chemical physics , chemical engineering , chemistry , polymer science , molecule , organic chemistry , catalysis , composite material , isomerization , aqueous solution , engineering
Light switch : Noncovalently connected micelles are formed by the photoisomerization of azobenzene groups in copolymer building blocks and the hydrogen‐bonding interaction within the polymer pair. The UV‐induced micellar structure can be fixed through core cross‐linking, which allows the reversible optical switching of a micelle–hollow‐sphere transition (see picture).