Singlet Oxygen Generation and Spectroscopic Properties of Supramolecular Zinc Meso -tetra(4-pyridyl) Porphyrin Bearing Outlying Ruthenium Groups

Here, we investigate the effects introduced in the spectroscopic properties and singlet oxygen generation efficiency of zinc tetra(4-pyridyl) porphyrin (ZnTPyP) when the molecule undergoes outlying decoration with the [RuCl 2 (PPh 3 ) 2 (CO)(DMF)] and [RuCl 2 (dppb)(CO)(DMF)] ruthenium complexes. Our results show that these metallic compounds can significantly affect the electronic and vibronic B- and Q-bands; the excited-state deactivation processes; and the singlet oxygen generation quantum yield of the porphyrin, being their influence affected by the ligands present in the ruthenium complexes.