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Keywords:

  • isomerization;
  • micelles;
  • optical switching;
  • polymers;
  • self-assembly
Thumbnail image of graphical abstract

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).