Yersin, Hartmut and Gallhuber, E. and Hensler, G. and Schweitzer, D. (1989) Zero-field splittings of the two lowest excited electronic states in crystalline [Ru(bpy)₃]X₂ with X = PF₆, ClO₄. Chemical Physics Letters 161 (4-5), pp. 315-320.
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For the title compounds zero-magnetic field ODMR signals have been observed on the zero-phonon lines which correspond to the two lowest excited states and which result from Ru4d —› bpyπ* charge-transfer transitions. The splitting into sublevels are of the order of 0.1 cm⁻¹ and the corresponding electronic states may be classified as doubly degenerate on the basis of the usual resolution of the optical emission spectra. Several microwave resonances are detected and assigned to different sites of the [Ru(bpy)₃]²⁺ chromophores. Small relaxation rates between the sublevels (compared to other excited-state deactivation rates) are found to be important for a description of the spectroscopic properties at low temperatures.
|Institutions:||Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry III - Physical Chemistry (Light and Matter) > Prof. Dr. Hartmut Yersin|
|Subjects:||500 Science > 540 Chemistry & allied sciences|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Partially|
|Owner:||Prof. Dr. Hartmut Yersin|
|Deposited On:||04 Mar 2011 06:28|
|Last Modified:||04 Mar 2011 06:28|