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Issue 6, 2010
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Emission response towards three anions (F, HSO4 and AcO) by a luminescent europium ternary complex with a 2-arylimidazole–1,10-phenanthroline conjugate

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Abstract

A novel ternary 2-(2-carboxylphenyl)imidazo[4,5-f]-1,10-phenanthroline-based europium(III) 2-thenoyltrifluoroacetonate complex with red luminescence was designed and prepared for anion recognition. Spectroscopic studies, including UV-vis, fluorescence and NMR, showed that the sensor exhibited striking emission changes in response to fluoride (green), hydrogen sulfate (blue) and acetate anions (pale blue) due to hydrogen bonding and competitive coordination with the Eu(III) ions.

Graphical abstract: Emission response towards three anions (F−, HSO4− and AcO−) by a luminescent europium ternary complex with a 2-arylimidazole–1,10-phenanthroline conjugate

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Article information


Submitted
23 Mar 2010
Accepted
12 Apr 2010
First published
07 May 2010

Photochem. Photobiol. Sci., 2010,9, 791-795
Article type
Paper

Emission response towards three anions (F, HSO4 and AcO) by a luminescent europium ternary complex with a 2-arylimidazole–1,10-phenanthroline conjugate

Q. Wang, C. Tan, H. Tamiaki and H. Chen, Photochem. Photobiol. Sci., 2010, 9, 791
DOI: 10.1039/C0PP00071J

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