Issue 43, 2016
From the journal:

Dalton Transactions

Europium metal–organic frameworks as recyclable and selective turn-off fluorescent sensors for aniline detection†

Hui-Jun Feng,ab   Ling Xu,*a   Bing Liuc  and  Huan Jiao*a  

* Corresponding authors

a Key Laboratory of Macromolecular Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, Shaanxi Province, P. R. China
E-mail: xuling@snnu.edu.cn, jiaohuan@snnu.edu.cn

b State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China

c College of Chemistry and Chemical Engineering, Shaanxi University of Sciences and Technology, Xi'an 710021, Shaanxi Province, P. R. China

Abstract

Seven Eu-(H)BDC compounds, [RMI][Eu2(BDC)3Cl] (R = ethyl (1), propyl (2), butyl (3), H2BDC = 1,4-benzenedicarboxylic acid), [EMI]2[Eu2(BDC)3(H2BDC)Cl2] (4), [Eu(BDC)(HCOO)] (5), [Eu(BDC)Cl(H2O)] (6) and [Eu3(BDC)4Cl(H2O)6] (7), were synthesized under ionothermal conditions. Compounds 4 and 6 behave as potential highly selective turn-off fluorescent sensors for aniline, which can be detected in mixtures of aniline with contrast organic amides or alkylbenzenes. Fluorescence quenching can be observed when compounds 4 and 6 mix with the samples containing aniline. Compounds 4 and 6 show basically unchanged emission intensities and rapid response to aniline after ten recycling tests, suggesting that the compounds have high stable recycle repeatabilities.

Graphical abstract: Europium metal–organic frameworks as recyclable and selective turn-off fluorescent sensors for aniline detection

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Article information

DOI
https://doi.org/10.1039/C6DT03358J
Article type
Paper
Submitted
27 Aug 2016
Accepted
29 Sep 2016
First published
29 Sep 2016

Dalton Trans., 2016,45, 17392-17400

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Europium metal–organic frameworks as recyclable and selective turn-off fluorescent sensors for aniline detection

H. Feng, L. Xu, B. Liu and H. Jiao, Dalton Trans., 2016, 45, 17392 DOI: 10.1039/C6DT03358J

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