Issue 19, 2022

Supramolecular assemblies of Zn(ii) complexes with a D–π–A ligand for sensing specific organic molecules

Abstract

It is an attractive but challenging proposition to develop effective fluorescent sensors for detecting specific organic compounds. In this study, we designed and synthesized three Zn(II) complexes, namely [Zn(3N3PY)2](NO3)2·3.5CH3OH (1), [Zn(3N3PY)(BIN)]·1.5DMF (2) and [Zn(3N3PY)(BIN)0.5(HCOO)] (3) (H2BIN = 2,2′-biisonicotinic acid, HCOO = formate), using a D–π–A ligand 4′-(4-(1H-1,2,4-triazol-1-yl)phenyl)-2,2′:6′,2′′-terpyridine (3N3PY) with mononuclear, one-dimensional (1D) chain and dinuclear structures, respectively. The three-dimensional (3D) supramolecular assemblies were achieved by the linkage of the Zn(II) complexes through π–π and hydrogen bonding interactions. The assemblies demonstrated intense luminescence and exhibited an excellent ability for sensing specific organic molecules namely 2,4,6-trinitrophenol (TNP), 4-methylbenzaldehyde (4-MB) and decabromodiphenyl oxide (DBDPO).

Graphical abstract: Supramolecular assemblies of Zn(ii) complexes with a D–π–A ligand for sensing specific organic molecules

Supplementary files

Article information

Article type
Paper
Submitted
31 mar 2022
Accepted
15 apr 2022
First published
18 apr 2022

CrystEngComm, 2022,24, 3612-3620

Supramolecular assemblies of Zn(II) complexes with a D–π–A ligand for sensing specific organic molecules

Z. Huang, J. Chen, S. Zhao, Z. Qiu, Y. Zhao and W. Sun, CrystEngComm, 2022, 24, 3612 DOI: 10.1039/D2CE00452F

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