Issue 57, 2020
From the journal:

RSC Advances

Synthesis and characterization of MOFs constructed from 5-(benzimidazole-1-yl)isophthalic acid and highly selective fluorescence detection of Fe(iii) and Cr(vi) in water†

Bin Zhu,b   Guimei Huang,a   Yanni He,a   Jisheng Xie,a   Tao He,a   Junli Wang*a  and  Ziao Zong ORCID logo *a  

* Corresponding authors

a School of Laboratory Medicine, Youjiang Medical University for Nationalities, Baise, 533000 Guangxi, China
E-mail: zongziao_yy@163.com, 396107666@qq.com

b College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, Shandong, China

Abstract

In this work, four novel metal–organic frameworks [Cd(bipa)]n (1), {[Zn2(bipa)2]·2C2H5OH}n (2), {[Co(bipa)]·C2H5OH}n (3), {[Ni(bipa)2]·2DMA}n (4), (H2bipa = 5-(benzimidazole-1-yl)isophthalic acid) were successfully synthesized under solvothermal conditions. Complexes 1–4 were characterized by powder X-ray diffraction, elemental analysis, infrared spectroscopy and thermogravimetric analysis. Interestingly, the coordination patterns and 3D network structures of complexes 1–3 are very similar, while complex 4 is relatively unique. Complexes 1–2 exhibit potential fluorescent properties. Complex 1 can selectively and sensitively detect trace Fe(III) and Cr(VI) in water by fluorescence quenching detection, and the quenching mechanism is further discussed.

Graphical abstract: Synthesis and characterization of MOFs constructed from 5-(benzimidazole-1-yl)isophthalic acid and highly selective fluorescence detection of Fe(iii) and Cr(vi) in water

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Article information

DOI
https://doi.org/10.1039/D0RA06529C
Article type
Paper
Submitted
28 Jul 2020
Accepted
12 Sep 2020
First published
22 Sep 2020
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2020,10, 34943-34952

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Synthesis and characterization of MOFs constructed from 5-(benzimidazole-1-yl)isophthalic acid and highly selective fluorescence detection of Fe(III) and Cr(VI) in water

B. Zhu, G. Huang, Y. He, J. Xie, T. He, J. Wang and Z. Zong, RSC Adv., 2020, 10, 34943 DOI: 10.1039/D0RA06529C

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