Novel Ratiometric Fluorescent Sensor for Silver Ions
- 9 December 2009
- journal article
- research article
- Published by American Chemical Society (ACS) in Organic Letters
- Vol. 12 (2), 292-295
- https://doi.org/10.1021/ol902624h
Abstract
Incorporating azacrown[N,S,O] into furoquinoline fluorophore yields a novel ratiometric fluorescent sensor FQ-crown for silver ions. UV−vis absorption and fluorescence emission investigations indicate that FQ-crown bears the features of a large Stokes shift, about 173 nm, and red-shift up to 50 nm in the emission spectra and high affinity for silver ions (log K = 7.21) in ethanol in comparison with other competitive d10 metal ions.Keywords
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