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AIE-ligand-based luminescent Cd(ii)–organic framework as the first “turn-on” Fe3+ sensor in aqueous medium

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Abstract

Excess iron ions are harmful to human health; therefore, it is essential to develop efficient methods to detect Fe3+. Herein, a new aggregation-induced emission (AIE) ligand (L), 4,4′-((9H-fluoren-9-ylidene)-methylene)dipyridine, was successfully synthesized and applied to construct a luminescent Cd(II)–organic framework [Cd(NDA)(L)(H2O)2]n (1) with a two-dimensional architecture (H2NDA = 1,4-naphthalenedicarboxylic acid). Specially, 1 possesses good water stability and exhibits superior luminescence enhancement (“turn-on”) sensing of Fe3+ with high sensitivity and selectivity in a water suspension. This represents the first example of a LMOF-based “turn-on” Fe3+ sensor in aqueous medium.

Graphical abstract: AIE-ligand-based luminescent Cd(ii)–organic framework as the first “turn-on” Fe3+ sensor in aqueous medium

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Article information


Submitted
18 Sep 2019
Accepted
06 Dec 2019
First published
09 Dec 2019

J. Mater. Chem. C, 2020, Advance Article
Article type
Paper

AIE-ligand-based luminescent Cd(II)–organic framework as the first “turn-on” Fe3+ sensor in aqueous medium

J. Zhang, S. Ren, H. Xia, W. Jia and C. Zhang, J. Mater. Chem. C, 2020, Advance Article , DOI: 10.1039/C9TC05140F

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