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A zinc2+-dpbt framework: a luminescence sensing of Cu2+, Ag+, MnO4- and Cr(VI) (Cr2O72- and CrO42-) ions

Abstract

A unique three-dimensional Zinc(II)-dpbt framework with formula {[Zn6Cl6(2,2′-dbpt)3]•6H2O}n (1) (here, 2,2'-H2dpbt = 5,5′-di(pyridin-2-yl)-3,3′-bi(1,2,4-triazole) ) has been successfully constructed under solvothermal conditions. This complex was fully characterized via single-crystal X-ray diffraction, elemental analysis, powder X-ray diffraction, infrared spectroscopy, thermogravimetric analyses, luminescent spectra, UV-vis, EDS and ICP-MS. The luminescence properties confirm that the emission behavior of the Zn(II) complex possesses excellent thermal and chemical stabilities. The luminescent performance of 1 in a series of cations and anions were also explored. Importantly, the luminescent material of 1 can be sensitive, efficient and fast, regenerated (at last 4 cycles) in detecting Cu2+, Ag+, MnO4- and Cr(VI) (Cr2O72- and CrO42-) ions.

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Supplementary files

Article information


Submitted
29 Mar 2020
Accepted
21 May 2020
First published
22 May 2020

New J. Chem., 2020, Accepted Manuscript
Article type
Paper

A zinc2+-dpbt framework: a luminescence sensing of Cu2+, Ag+, MnO4- and Cr(VI) (Cr2O72- and CrO42-) ions

Y. Cao, Y. Zhang, L. Gu, X. Qin, H. Li, H. Bian and F. Huang, New J. Chem., 2020, Accepted Manuscript , DOI: 10.1039/D0NJ01535K

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