Abstract
EuIII, the last piece in the puzzle: Europium-induced self-assembly of ligands having a C3-symmetrical benzene-1,3,5-tricarboxamide core results in the formation of luminescent gels. Supramolecular polymers are formed through hydrogen bonding between the ligands. The polymers are then brought together into the gel assembly through the coordination of terpyridine ends by EuIII ions (blue dashed arrow: distance between two ligands in the strand direction).

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