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Keywords:

  • host–guest systems;
  • nanostructures;
  • photochemistry;
  • self-assembly;
  • supramolecular chemistry
Thumbnail image of graphical abstract

Light, transformation, release! Self-assembly of a simple amphiphile with an azobenzene unit produced an organic nanotube with 20 nm inner diameter. The trans-to-cis photoisomerization of the azobenzene unit within the solid bilayer membranes of the nanotube induced the transformation to cylindrical nanofibers (see graphic). This way, the nanotube was able to precisely release encapsulated guest molecules as a response to photostimulus.