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  Home > JCE Print > Journal of Chemical Education > Issues > 2003  > December  >
In the Laboratory
Preparation of Two Luminescent Complexes: AlIII(8-hydroxyquinolinolato)3 and EuIII(thenoyltrifluoroacetonato)3 (1,10-phenanthroline)
Qinde Liu and Suning Wang
Department of Chemistry, Queen's University, Kingston, Ontario K7L 3N6, Canada
Cover
December 2003
Vol. 80 No. 12
p. 1474
Abstract
A simple procedure for the syntheses of two luminescent compounds, which are widely used in organic light-emitting diodes, is presented. This experiment is suitable for an undergraduate inorganic laboratory. The two compounds are a main group coordination compound AlIIIq3, where q is 8-hydroxyquinolinolato, and a lanthanide coordination compound EuIII(tta)3(phen), where tta is thenoyltrifluoroacetonato and phen is 1,10-phenanthroline. These compounds demonstrate two types of luminescence, ligand-centered emission in AlIIIq3 and ligand-enhanced π to π transitions in EuIII(tta)3(phen). Furthermore, this experiment demonstrates the role of chelating ligands in the formation of complexes and luminescence.
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*  Citation
 Liu, Qinde; Wang, Suning. J. Chem. Educ. 2003 80 1474.
*  Keywords
 Aluminum; Coordination Chemistry; Europium; Inorganic Chemistry; Inorganic Synthesis; Laboratory Instruction; Luminescence; Materials Science
*  History
 Created:
Last Updated:		 October 31, 2003
February 28, 2005
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