4.5 Article

Long-lived, red-emitting excited state of a Ru(II) complex of a diaminotriazine ligand

Journal

POLYHEDRON
Volume 108, Issue -, Pages 100-103

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2015.11.009

Keywords

Ruthenium complexes; Hydrogen bonding; Electrochemistry; Photophysical behavior; DFT calculations

Funding

  1. Natural Sciences and Engineering Research Council of Canada
  2. Ministere de l'Education du Quebec
  3. Canada Foundation for Innovation
  4. Canada Research Chairs Program
  5. NanoQuebec
  6. Centre for Self-Assembled Chemical Structures
  7. Universite de Montreal

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Heteroleptic complexes of Ru(II) with tridentate ligand Py-DAT2 (2,6-bis(4,6-diamino-1,3,5-triazin-2-yl) pyridine) and with derivatives of tridentate ligands tpy (2,2':6',2 ''-terpyridine) or dpt (2,6-dipyridyltriazine) have been synthesized and characterized. Changing the second ligand from tpy to dpt was found to profoundly alter the electronic and photophysical properties of the complexes. Structural analysis of the Py-DAT2/tpy complex by single-crystal XRD revealed the presence of a 2D terpyridyl embrace and an extended array of hydrogen bonds involving water of crystallization and the amino groups of Py-DAT2. (C) 2015 Elsevier Ltd. All rights reserved.

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