Structure and luminescence properties of trichloridothallium(III) complexes with phenanthroline derivatives

Structure and luminescence properties of trichloridothallium(III) complexes with phenanthroline... Two thallium(III) complexes, [Tl(5-mphen)Cl3(DMSO)] (1) and [Tl(5,6-dmphen)Cl3(DMSO)]·DMSO (2) were prepared from the reaction of TlCl3·4H2O with 5-methyl-1,10-phenanthroline (5-mphen) and 5,6-dimethyl-1,10-phenanthroline (5,6-dmphen) ligands in DMSO solvent through methanol diffusion. Their crystal structures were determined by the X-ray diffraction method. These complexes have a bidentate nitrogenous ligand and a DMSO molecule with three chloride anions attached to a Tl(III) metal in a distorted octahedral environment, where both complexes were crystallized in the same space group ( $$P\overline{1}$$ P 1 ¯ ) and crystal system (triclinic). The 1H NMR data confirms the stability of the compounds in the DMSO moiety. The luminescence study revealed that their luminescence behaviour is varied in comparison with corresponding ligands, although the thallium complexes exhibit the same structure and the only difference is the number of the methyl group on the phenanthroline ligand. Interestingly, complex 1 demanded a considerable enhancement (nine times), in comparison with the related phenanthroline ligand, a well-known material for OLEDs. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Structure and luminescence properties of trichloridothallium(III) complexes with phenanthroline derivatives

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Publisher
Springer Netherlands
Copyright
Copyright © 2013 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-013-1405-8
Publisher site
See Article on Publisher Site

Abstract

Two thallium(III) complexes, [Tl(5-mphen)Cl3(DMSO)] (1) and [Tl(5,6-dmphen)Cl3(DMSO)]·DMSO (2) were prepared from the reaction of TlCl3·4H2O with 5-methyl-1,10-phenanthroline (5-mphen) and 5,6-dimethyl-1,10-phenanthroline (5,6-dmphen) ligands in DMSO solvent through methanol diffusion. Their crystal structures were determined by the X-ray diffraction method. These complexes have a bidentate nitrogenous ligand and a DMSO molecule with three chloride anions attached to a Tl(III) metal in a distorted octahedral environment, where both complexes were crystallized in the same space group ( $$P\overline{1}$$ P 1 ¯ ) and crystal system (triclinic). The 1H NMR data confirms the stability of the compounds in the DMSO moiety. The luminescence study revealed that their luminescence behaviour is varied in comparison with corresponding ligands, although the thallium complexes exhibit the same structure and the only difference is the number of the methyl group on the phenanthroline ligand. Interestingly, complex 1 demanded a considerable enhancement (nine times), in comparison with the related phenanthroline ligand, a well-known material for OLEDs.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Oct 10, 2013

References

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