Issue 9, 2023

A polycatenated hydrogen-bonded organic framework based on embraced macrocyclic building blocks for fluorescence detection of nitrobenzene in water

Abstract

A fluorescent polycatenated hydrogen-bonded organic framework (MEP-HOF) has been developed using a C3-symmetric rigid macrocycle as the exclusive building block. Stabilised by intermolecular non-covalent interactions in the solid state, the tri-carboxylated macrocycles form supramolecular embraced pairs which further assemble the interwoven three-dimensional H-bond network with a degree of catenation of seven. The MEP-HOF features easy preparation and regeneration, and its fluorescent properties could be utilised as a sensitive sensor for nitrobenzene detection in water with a detection limit of 61.8 ± 2.2 ppb.

Graphical abstract: A polycatenated hydrogen-bonded organic framework based on embraced macrocyclic building blocks for fluorescence detection of nitrobenzene in water

Supplementary files

Article information

Article type
Paper
Submitted
01 Dec 2022
Accepted
06 Feb 2023
First published
07 Feb 2023

J. Mater. Chem. A, 2023,11, 4672-4678

A polycatenated hydrogen-bonded organic framework based on embraced macrocyclic building blocks for fluorescence detection of nitrobenzene in water

J. Zhao, L. Mao, G. Zhang, S. Zhan, H. Xiao, S. Zhang, C. Tung, L. Wu and H. Cong, J. Mater. Chem. A, 2023, 11, 4672 DOI: 10.1039/D2TA09379K

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