Journal
INORGANIC CHEMISTRY COMMUNICATIONS
Volume 89, Issue -, Pages 73-77Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.inoche.2018.01.023
Keywords
Fluorescent sensor; Coordination polymer; Detection of mercury(II); Fluorescence quenching
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Funding
- National Natural Science Foundation of China [21501065]
- Changbai Mountain Scholars Program [2013073]
- Science and Technology Program of Jilin Province [20160101319JC, 20180520159JH, 20180520152JH]
- Science and Technology Plan Funds of Siping City, China [2017092]
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A fluorescent coordination polymer [Zn(H(3)TTA)(H2O)(2)]center dot 2H(2)O (JLNU-3, JLNU = Jilin Normal University; H(3)TTA = [2,2':6',2 ''-terpyridine]-4,4',4 ''-tricarboxylic acid) has been hydrothermally synthesized and carefully characterized. Particularly, stable suspension of JLNU-3 in aqueous solution showed significant quenching towards Hg2+. The quenching efficiency is up to 98% in the existence of 10(-2) M Hg2+. JLNU-3 can be regenerative for 5 cycles by centrifugation of the solution after use and washing several times with H2O. In addition, JLNU-3 displays preeminent anti-interference ability and could be used for sensing in the systems with complicated components. Therefore, JLNU-3 can be used as a fluorescent probe for selective, sensitive and recyclable sensing of heavy-metal cation Hg2+ in aqueous solution. (C) 2018 Elsevier B.V. All rights reserved.
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