H+, Na+ and K+ modulated lanthanide luminescent switching of Tb(iii) based cyclen aromatic diaza-crown ether conjugates in water

Literature Information

Publication Date 2003-08-22
DOI 10.1039/B307055G
Impact Factor 6.222
Authors

Thorfinnur Gunnlaugsson, Joseph P. Leonard


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Abstract

The cyclen based aromatic diaza-15-crown-5 and 18-crown-6 ether conjugates 1Tb–4Tb were designed as luminescent switches for sodium and potassium where the delayed Tb(III) emission, occurring as line-like emission bands between 490–622 nm, was ‘switched on’ upon recognition of these ions in pH 7.4 buffered water solution.

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