Issue 30, 2015
From the journal:

Dalton Transactions

Protonation effect on ligands in EuL: a luminescent switcher for fast naked-eye detection of HCl†

Jun Zhang,abc   Wen-Bin Yang,ab   Xiao-Yuan Wu,ab   Xiao-Fei Kuangab  and  Can-Zhong Lu*ab  

* Corresponding authors

a Key Laboratory of Design and Assembly of Functional Nanostructures, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences Fuzhou, Fujian 350002, China
E-mail: czlu@fjirsm.ac.cn

b Fujian Provincial Key Laboratory of Nanomaterials, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, China

c University of Chinese Academy of Sciences, Beijing 100049, China

Abstract

A new luminescent coordination polymer, EuH(L)2(NO3)2 (EuL, HL = 2-(2-pyridin-2-yl)quinoline-4-carboxylic acid), has been solvothermally synthesized, and its framework of uncoordinated pyridyl rings was exploited for the binding and specific sensing of HCl via a protonation effect. The protonation effect changes the energy of the excited state of the ligands, rendering them unable to act as efficient antennae for Eu3+ characteristic emission. Thus, we have developed a new, fast and convenient sensor for HCl, a gas harmful for the environment.

Graphical abstract: Protonation effect on ligands in EuL: a luminescent switcher for fast naked-eye detection of HCl

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Supplementary files

Article information

DOI
https://doi.org/10.1039/C5DT01791B
Article type
Paper
Submitted
13 May 2015
Accepted
13 Jun 2015
First published
18 Jun 2015

Dalton Trans., 2015,44, 13586-13591

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Protonation effect on ligands in EuL: a luminescent switcher for fast naked-eye detection of HCl

J. Zhang, W. Yang, X. Wu, X. Kuang and C. Lu, Dalton Trans., 2015, 44, 13586 DOI: 10.1039/C5DT01791B

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