Axial-ligand control of the photophysical behavior of ruthenium(II) tetraphenyl- and octaethylporphyrin: contrasting properties of metalloporphyrin (.pi.,.pi.) and (d,.pi.) excited states

The photophysical behavior of the ruthenium(II) porphyrins depends dramatically on the axial ligands coordinated to the central metal ion. The authors have measured the picosecond and slower time scale transient absorption spectra and kinetics, emission data, and ground-state absorption spectra for...

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