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Πέμπτη 9 Φεβρουαρίου 2017

Fluorescent sensing of nitroaromatics by two coordination polymers having potential active sites

Publication date: June 2017
Source:Journal of Luminescence, Volume 186
Author(s): Lu Lu, Jun Wang, Wei-Ping Wu, Aiqing Ma, Jian-Qiang Liu, Reena Yadav, Abhinav Kumar
Two new d10 based coordination polymers having formula [Cd(HL1)(L2)] (1) and [Zn(HL1)(L2)] (2) (H3L1=5-(4-carboxyphenoxy)isophthalic acid and L2=3-(4-methyl-6-(pyridine-3-yl)pyridine-2-yl)pyridine) have been synthesized and characterized using IR, thermogravimetric analyses (TGA), photoluminescence and single-crystal X-ray diffraction techniques. The single-crystal X-ray investigation reveals that both of 1 and 2 show 2D layer architectures with square lattice topology. The photoluminescence investigation indicates that both 1 and 2 could be a prospective candidate for developing luminescence sensors for the highly sensing of nitroaromatic analytes. Furthermore, the luminescent property of 1 and 2 in different solvents analytes as well as nitrobenzene derivative have been investigated and the observed quenching in fluorescence have been corroborated by theoretical calculations.

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