期刊
INORGANIC CHEMISTRY COMMUNICATIONS
卷 12, 期 4, 页码 296-299出版社
ELSEVIER
DOI: 10.1016/j.inoche.2009.01.007
关键词
2,2 '-Bipyrimidine; Dinuclear complexes; Neodymium; NMR; Luminescence
资金
- Department of Chemistry
- Jamia Millia Islamia [F.540/17/DRS/2007/SAP-1]
Reaction of mononuclear Ln(fod)(3) chelates (where fod is the anion of 6,6,7,7,8,8,8-heptafluoro-2,2-dimethyl-3,5-octanedione and Ln = Nd, Eu, Tb and Lu) with potentially bridging ligand 2,2'-bipyrimidine (bpm) in 2:1 mole ratio in ethanol afforded new dinuclear lanthanide complexes of the form [Ln(fod)(3)-(mu-bpm)-Ln(fod)(3)]. Neodymium complex is one of the rare bipyrimidine-bridged dinuclear complexes. The absorption spectrum of the neodymium complex displays characteristic hypersensitive as well as non-hypersensitive transitions. The excitation of Eu-Eu and Tb-Th complexes at 355 nm produces an intense red and green luminescence, respectively. (C) 2009 Elsevier B.V. All rights reserved.
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