A luminescent probe based on a Zn(II) coordination polymer for efficient detection of tetracycline, Cr2O72-anions

abstract

A new ternary coordination polymer, {[Zn3(L)(DCTP)3].2.5H2O}n (1) (L = 1,5-bis[1-(pyridine-4-methylene)-1H- benzimidazol-2-yl]pentane, H2DCTP = 2,5-dichloroterephthalic acid), was hydrothermally synthesized and characterized. 1 exhibits an unusual 3D (3,4,4) network. 1 shows excellent thermal and pH stability in the pH range from 3 to 12. 1 is a promising probe to detect tetracycline (TC), and Cr2O72-anion with good recyclability and low detection limits. The possible luminescence mechanism was analyzed in detail.

keywords

COMPLEXES; LIGANDS; ACID

subject category

Chemistry

authors

Zhang, XP; Zhao, YQ; Fu, LS; Cui, GH

Groups

acknowledgements

The project supported by Hebei Natural Science Foundation (B2021209020) and the project CICECO-Aveiro Institute of Materials, UIDB/50011/2020 & UIDP/50011/2020, financed by national funds through the FCT/MEC and when appropriate co-financed by FEDER under the PT2020 Partnership Agreement.

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