Journal
JOURNAL OF LUMINESCENCE
Volume 177, Issue -, Pages 299-305Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jlumin.2016.04.048
Keywords
Ir(III) complex; Copper(II) ion; Aggregation induced emission; Chemosensor; Luminescence sensing
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Funding
- National Basic Research Program China [2013CB932902]
- National Natural Science Foundation of China [21173042]
- Science and Technology Support Program (industry) Project of Jiangsu province [BE2013118]
- Transformation of Scientific and Technological Achievements in Jiangsu Province Special Funds [BA2014123]
- National Key Scientific Instrument and Equipment Development Project [2014YQ060773]
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We report the synthesis and characterization of a novel aggregation induced emission (AIE) active cyclometalated Ir(III) complex, namely [Ir(dfppy)(2)(phen-DPA)]PF6, where dfppy and phen-DPA represent 2-(2,4-difluorophenyl)pyridine and 2-(bis(pyridin-2-ylmethyl)amino)-N-(1,10-phenanthrolin-5-yl)acetamide, respectively. The complex showed remarkable selectivity for copper(II) in aqueous solution over other competitive ions. Furthermore, this sensor showed a rapid and reversible response to copper(II) in aqueous solution with a detection limit of 65 nM. (C) 2016 Elsevier B.V. All rights reserved.
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