Cyclometalated Ru II Complexes with Improved Octahedral Geometry: Synthesis and Photophysical Properties

Cyclometalated Ru II Complexes with Improved Octahedral Geometry: Synthesis and Photophysical Properties

Cyclometalated bis-tridentate ruthenium(II) complexes incorporating 2,6-diquinolin-8-ylpyridine ligands and exhibiting broad visible absorptions are described. A [Ru(N boolean AND N boolean AND N)(N boolean AND C boolean AND N)](+) complex based only on ligands with expanded bite angles has a metal-...

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Veröffentlicht in:Inorganic chemistry 2010-01, Vol.49 (2), p.374-376
Hauptverfasser: Jäger, Michael, Smeigh, Amanda, Lombeck, Florian, Görls, Helmar, Collin, Jean-Paul, Sauvage, Jean-Pierre, Hammarström, Leif, Johansson, Olof
Format: Artikel
Sprache:eng
Schlagworte:
Chemistry
Kemi
NATURAL SCIENCES
NATURVETENSKAP
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Zusammenfassung:Cyclometalated bis-tridentate ruthenium(II) complexes incorporating 2,6-diquinolin-8-ylpyridine ligands and exhibiting broad visible absorptions are described. A [Ru(N boolean AND N boolean AND N)(N boolean AND C boolean AND N)](+) complex based only on ligands with expanded bite angles has a metal-to-ligand charge-transfer excited-state lifetime of 16 ns, which is attributed to a strong ligand field and therefore reduced deactivation via metal-centered states.
ISSN:0020-1669
1520-510X
1520-510X
DOI:10.1021/ic9020788