Issue 7, 2019

Three resorcin[4]arene-based lanthanide-coordination polymers with multifunctional photoluminescence sensing properties

Abstract

By utilizing a novel octacarboxylate-functionalized resorcin[4]arene as organic linkers, three lanthanide-coordination polymers, namely, [(CH3)2NH2][Ln2(HL)(H2O)7]·2H2O (Ln = Tb (1), Eu (2) and Gd (3), H8L = 2,8,14,20-tetra-pentyl-4,6,10,12,16,18,22,24-octa-carboxymethoxy-resorcin[4]arene) have been solvothermally synthesized and structurally characterized. Isostructural 1–3 display unique two dimensional sandwich-based layers built with Ln3+ cations and bowl-shaped HL7− anions. Remarkably, 1 and 2 produce intensive green and red emissions respectively and long lifetimes thanks to the antenna effect of HL7− anions. The energy level testing of 3 indicates that the newly designed ligand H8L has a very efficient intersystem crossing process. More importantly, luminescent investigations reveal that 1 and 2 can selectively detect N,N′-dimethylformamide and Fe3+ ions with turn-on-type and turn-off-type responses, respectively.

Graphical abstract: Three resorcin[4]arene-based lanthanide-coordination polymers with multifunctional photoluminescence sensing properties

Supplementary files

Article information

Article type
Paper
Submitted
28 nov 2018
Accepted
20 jan 2019
First published
28 jan 2019
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2019,9, 3647-3652

Three resorcin[4]arene-based lanthanide-coordination polymers with multifunctional photoluminescence sensing properties

H. Zhang, J. Wang, W. Jiang and S. Zhao, RSC Adv., 2019, 9, 3647 DOI: 10.1039/C8RA09777A

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