Journal
CHINESE CHEMICAL LETTERS
Volume 32, Issue 1, Pages 569-572Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2020.03.016
Keywords
Construction; Zn-Ln complexes; Schiff base ligand; NIR luminescence properties; Luminescent response
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Funding
- National Natural Science Foundation of China [21771141]
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A new Zn-Nd complex with nanoscale rectangular structure was constructed, showing NIR emission of Nd3+ ion and luminescent response towards metal ions, especially alkali metal ions.
One 6-metal Zn-Nd complex [Zn2Nd4L2(OAc)(10)(OH)(2)(CH3OH)2] (1) with Schiff base ligand bis(3-methoxysalicylidene)ethylene-1,2-phenylenediamine (H2L) was constructed, and it has nanoscale rectangular structure (8 x 11 x 28 angstrom). Excited by ligand-centered absorption bands, 1 shows NIR emission of Nd3+ ion. Interestingly, 1 exhibits lanthanide luminescent response towards metal ions, especially to alkali metal ions (Li+, Na+ and K+) at ppm level. (C) 2020 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences. Published by Elsevier B.V. All rights reserved.
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