A new thiosemicarbazone fluorescent probe based on 9,9'-bianthracene for Hg and Ag.

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ID: 2127
2019
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Abstract
A new 9,9'-bianthracene-based thiosemicarbazone (D1) has been successfully synthesized and utilized for chemosensors. The properties of D1 were systematically investigated by UV-Vis, fluorescence titration and theoretical calculations. As a result, D1 exhibits a characteristic fluorescence quenching phenomenon in the presence of Hg or Ag compared to other metal cations (Na, K, Mg, Ba, Al, Zn, Fe, Pb, Cu, Co, Cd, Ni and Mn). The detection limits of Hg and Ag reach 6.62×10M and 1.99×10M, respectively. This is mainly attributed to the Hg (or Ag) forms a stable five-membered ring with the N atom in Schiff base CN and the S atom in thiourea. The results suggest that the probe D1 is a promising candidate for chemosensors in aqueous media due to its highly selectivity for Hg and Ag.
Reference Key
chen2019aspectrochimica Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Chen, Zhen-E;Zhang, Hai;Iqbal, Zafar;
Journal spectrochimica acta part a, molecular and biomolecular spectroscopy
Year 2019
DOI
S1386-1425(19)30155-6
URL
Keywords Keywords not found

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