期刊
DALTON TRANSACTIONS
卷 45, 期 21, 页码 8745-8752出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6dt00641h
关键词
-
资金
- NNSF of China [21521061]
- 973 program [2012CB821702]
A water-stable Eu-coordination polymer (CP), namely [HMIm]Eu(DHBDC)(2) (1) (HMIm = 1-hexyl-3-methylimidazolium; H2DHBDC = 2,5-dihydroxytelephthalic acid), was obtained using ionothermal synthesis. 1 represents the first coordination polymer capable of qualitative and quantitative detection of Ba2+ in aqueous solutions with a fluorescent enhancement that is visible to the human eye, which can be ascribed to the formation of fluorescent compound Ba(DHBDC) (2) during the detection process. Temperature-dependent photoluminescence (PL) makes 1 a potential material for a fluorescence thermometer. Furthermore, the detection process for Ba2+ using 1 turns the one-PL transition fluorescence thermometer into a two-PL transition fluorescence thermometer, increasing the accuracy of the fluorescence thermometer.
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