Journal
CHEMISTRY-AN ASIAN JOURNAL
Volume 10, Issue 1, Pages 139-143Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.201403037
Keywords
crown ether; dyes; sensors; supramolecular chemistry; surface organization
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A macrocyclic dibenzocoronene tetracarboxdiimide containing two benzo-21-crown-7 groups has been synthesized. It shows liquid-crystalline behavior and selectively binds Pb2+ or K+ to form 1:2 complexes in solution. The complexation leads to a significant increase of fluorescence; the surface organization of discotic columnar structures, in the solid-state, can be controlled by selective ion binding.
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