Polychromatic femtosecond fluorescence studies of metal–polypyridine complexes in solution
Femtosecond-resolved broadband fluorescence studies are reported for [M (bpy) 3] 2+(M=
Fe, Ru), RuN3 and RuN719 complexes in solution. We investigated the pump wavelength
dependence of the fluorescence of aqueous [Fe (bpy) 3] 2+ and the solvent and ligand
dependence of the fluorescence of Ru-complexes excited at 400nm. For all complexes, the
1MLCT fluorescence appears at zero time delay with a mirror-like image with respect to the
absorption. It decays in⩽ 30–45fs due to intersystem crossing to the 3MLCT states, but a …
Fe, Ru), RuN3 and RuN719 complexes in solution. We investigated the pump wavelength
dependence of the fluorescence of aqueous [Fe (bpy) 3] 2+ and the solvent and ligand
dependence of the fluorescence of Ru-complexes excited at 400nm. For all complexes, the
1MLCT fluorescence appears at zero time delay with a mirror-like image with respect to the
absorption. It decays in⩽ 30–45fs due to intersystem crossing to the 3MLCT states, but a …
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