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Crystals 2017, 7(6), 150; doi:10.3390/cryst7060150

Design and Synthesis of an Eu-Based β-Diketone-Sensor for the Detection of Al3+ Ions

1
School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, China
2
Key Laboratory of Chemical Engineering Process and Technology for High-efficiency Conversion, College of Heilongjiang Province, Harbin 150080, China
*
Authors to whom correspondence should be addressed.
Academic Editors: Mei Pan and Helmut Cölfen
Received: 28 March 2017 / Revised: 13 May 2017 / Accepted: 22 May 2017 / Published: 24 May 2017
View Full-Text   |   Download PDF [2739 KB, uploaded 24 May 2017]   |  

Abstract

A new β-diketone, 2,2,2-trifluoro-1-(4-hydroxy-2H-chromen-3-yl)ethanone (4-TFC), which contains a trifluorinated alkyl group and a rigid chromanone, has been designed and synthesised successfully, and utilized for the synthesis of a new stable Eu3+ ion-based 4-TFC lanthanide complex (1). The central Eu3+ ion is eight-coordinated by two O/N atoms from ancillary ligands and six oxygen atoms provided by three 4-TFC ligands. In particular, the complex (1) can detect Al3+ ions with high selectivity and sensitivity in a moment and can be seen by the naked eye clearly under 365 nm. The experimental data can be explained with the calculated transitions quite well. View Full-Text
Keywords: europium complex; fluorescence; detection; density functional theory (DFT) computation europium complex; fluorescence; detection; density functional theory (DFT) computation
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MDPI and ACS Style

Yu, G.; Hou, Y.; Bai, J.; Shao, H.; Niu, H. Design and Synthesis of an Eu-Based β-Diketone-Sensor for the Detection of Al3+ Ions. Crystals 2017, 7, 150.

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