Journal
DALTON TRANSACTIONS
Volume 44, Issue 30, Pages 13586-13591Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5dt01791b
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Funding
- 973 key program of the Chinese Ministry of Science and Technology (MOST) [2012CB821705]
- Chinese Academy of Sciences [KJCX2-YW-319, KJCX2-EW-H01]
- National Natural Science Foundation of China [21373221, 21221001, 91122027, 51172232, 21403236]
- Natural Science Foundation of Fujian Province [2012J06006, 2014J05026, 2006L2005]
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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.
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