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Keywords:

  • crown compounds;
  • sol-gel processes;
  • super gelators;
  • host-guest systems;
  • supramolecular chemistry
Thumbnail image of graphical abstract

A crown ether appended super gelator is designed and synthesized. It can gel a variety of organic solvents and shows excellent gelation properties with both low critical gelation concentration and short gelation time. Due to the introduction of the crown ether moiety and a secondary ammonium unit, the supramolecular gels show reversible gel-sol transitions. The supramolecular gels can also be molded into shape-persistent and free-standing objects.