Issue 34, 2016

Anionic metal–organic framework hybrids: functionalization with lanthanide ions or cationic dyes and fluorescence sensing of small molecules

Abstract

A zinc-based anionic metal–organic framework, [HDMA]2[Zn2(BDC)3(DMA)]·6DMF (HDMA+: dimethylammonium, BDC2−: 1,4-benzenedicarboxilate, DMA: dimethylamine and DMF: N,N′-dimethylformamide) has been solvothermally synthesized. And its cations, HDMA+, are exchanged by various lanthanides to form the hybrid systems via a post-synthetic process. These lanthanide(III)-loaded materials have shown different luminescent behaviors, indicating that this kind of anionic MOF could effectively sensitive lanthanides and be used as a potential luminescent probe towards different lanthanide ions. Besides, this system exhibits selective adsorption ability to cationic dyes, such as Rhodamine B, Basic Red 2 and Methylene Blue. RhB@1 has a fastest selection and realizes the probing of various organic solvent molecules as well as volatile organic benzenes (VOBs), especially for sensing acetone and aniline.

Graphical abstract: Anionic metal–organic framework hybrids: functionalization with lanthanide ions or cationic dyes and fluorescence sensing of small molecules

Supplementary files

Article information

Article type
Paper
Submitted
23 Jan 2016
Accepted
10 Mac 2016
First published
11 Mac 2016

RSC Adv., 2016,6, 28165-28170

Anionic metal–organic framework hybrids: functionalization with lanthanide ions or cationic dyes and fluorescence sensing of small molecules

X. Shen and B. Yan, RSC Adv., 2016, 6, 28165 DOI: 10.1039/C6RA02043G

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