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Rapid Naked-Eye Luminescence Detection of Carbonate Ion through Acetonitrile Hydrolysis Induced Europium Complexes

Abstract

The in situ hydrolysis of acetontrile to acetate is utilized to construct crystal structures of lanthanide complexes of two analogous ligands, including dimeric [Ln2(Hhpip)2(OAc)6] (Ln = Eu, Tb, Dy; Hhpip = 2-(2-hydroxyphenyl)imidazo[4,5-f][1,10]phenanthroline) and two-dimensional polymeric [Tb(hnpip)(OAc)2]n where hnpip– is the hydroxyl-deprotonated form of 2-(2-hydroxy-5-nitrophenyl)imidazo[4,5-f][1,10]phenanthroline acting as tridentate bridging ligand. In the former there are [Ln2(μ-η1:η2-OAc)2(μ-η1:η1-OAc)2(η2-OAc)2] subunit, whereas in the latter [Tb2(μ-η1:η2-OAc)2] and [Tb2(μ-η1:η1-OAc)2] subunits are alternately aligned. The DMSO solution of [Eu2(Hhpip)2(OAc)6] and [Eu2(pip)2(OAc)6] (pip is 2-phenylimidazo[4,5-f][1,10]phenanthroline) are found to have specific prompt photoluminescence response to CO32– with significant emission colour change and the limit of detection is about 10 μM, depending on the complex and wavelength moitored.

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Publication details

The article was received on 21 Aug 2018, accepted on 30 Oct 2018 and first published on 31 Oct 2018


Article type: Paper
DOI: 10.1039/C8CE01414K
Citation: CrystEngComm, 2018, Accepted Manuscript
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    Rapid Naked-Eye Luminescence Detection of Carbonate Ion through Acetonitrile Hydrolysis Induced Europium Complexes

    Y. Lu, J. Peng, X. Zhou, J. Wu, Y. Ou and Y. Cai, CrystEngComm, 2018, Accepted Manuscript , DOI: 10.1039/C8CE01414K

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