Issue 29, 2023

Facile synthesis of a fluorescent probe based on a terbium-based metal–organic framework for selective detection of Fe(iii) and Al(iii)

Abstract

It is critical to detect Fe3+ and Al3+ rapidly and accurately due to their high risk to humans and the ecological environment. In this work, a kind of terbium-based metal–organic framework fluorescent probe (Tb-MOF) is facilely fabricated that displays ultra-high selective detection of Fe3+ and Al3+ over various coexisting ions (i.e. Mn2+, Co2+, K+, Ca2+, Na+, Mg2+, Cd2+, Cu2+, Fe2+, Zn2+, Ni2+, Pb2+ and Cr3+). The obtained Tb-MOF exhibits emission at 547 nm and possesses outstanding thermal, fluorescent and chemical stability. The Tb-MOF shows a ratiometric fluorescence signal for Al3+, and the detection limits for Fe3+ and Al3+ are 0.91 and 6.10 μM, respectively. Moreover, the fluorescence intensities and concentrations of Fe3+ and Al3+ have good linear relationships across wide concentration ranges. Furthermore, the quantifications of Fe3+ and Al3+ are achieved in complex tap and river water samples with good recoveries. This study offers a facile and efficient method of developing a fluorescent probe that possesses the ability to quantify Fe3+ and Al3+ in real environmental water samples.

Graphical abstract: Facile synthesis of a fluorescent probe based on a terbium-based metal–organic framework for selective detection of Fe(iii) and Al(iii)

Supplementary files

Article information

Article type
Paper
Submitted
22 Mar 2023
Accepted
21 May 2023
First published
23 May 2023

New J. Chem., 2023,47, 13619-13625

Facile synthesis of a fluorescent probe based on a terbium-based metal–organic framework for selective detection of Fe(III) and Al(III)

X. Jing, J. Liu, M. Guo, G. Chen, G. Ren, J. Li, H. Qin, Z. Yao, Y. Wan, W. Song, H. Zeng, F. Yang, D. Zhao and K. Hu, New J. Chem., 2023, 47, 13619 DOI: 10.1039/D3NJ01358H

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