A novelsimple reversible fluorescent and colorimetric multiple metal ions chemosensor, 1-(4-(pyridine-4-yl) benzylidene) thiosemicarbazide (L), based on the thiourea group has been designed and synthesized. The chemosensor L successfully detect Cu2+, Hg2+ and Ag+ based on binding site-signalling approach. The detection limit reaches up to 10.67, 11.14 and 8.54 μM for Cu2+, Hg2+ and Ag+ ions respectively. L has been successfully applied for the determination of Cu2+, Hg2+ and Ag+ ions in real water samples.
Journal of Photochemistry and Photobiology A: Chemistry – Elsevier
Published: Apr 1, 2018
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