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Lookup NU author(s): Emeritus Professor Anthony Harriman,
Dr Guillaume Izzet
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The luminescence properties of ruthenium(II) tris(2,2′-bipyridine) have been recorded in butyronitrile solution and in a transparent KBr disk over a reasonable temperature range. In solution, spectral curve fitting routines indicate that emission arises solely from an ensemble of triplet states, each of which is of Metal-to-Ligand, Charge-Transfer (MLCT) character and of closely comparable energy. At ambient temperature, dual emission is observed for the KBr disk and interpreted in terms of luminescence from both the ensemble and the fourth MLCT triplet state that lies at slightly higher energy. Relative reorganisation energies, energies, Huang-Rhys factors and radiative rate constants have been calculated for the two emissive states. It is confirmed that the fourth MLCT triplet state possesses more singlet character than the ensemble. This journal is © the Owner Societies 2007.
Author(s): Harriman A, Izzet G
Publication type: Article
Publication status: Published
Journal: Physical Chemistry Chemical Physics
Print publication date: 01/01/2007
ISSN (print): 1463-9076
ISSN (electronic): 1463-9084
Publisher: Royal Society of Chemistry
PubMed id: 17301884
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