Stabilization of charge separation in a zinc porphyrin-viologen-quinone triad

Autor:	E. E. Batova, Peter P. Levin, V. Ya. Shafirovich
Rok vydání:	1990
Předmět:	Quantum yield chemistry.chemical_element Triad (anatomy) Viologen General Chemistry Zinc Photochemistry Quinone Electron transfer medicine.anatomical_structure Reaction rate constant chemistry Intramolecular force polycyclic compounds medicine medicine.drug
Zdroj:	Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 39:1156-1159
ISSN:	1573-9171 0568-5230
DOI:	10.1007/bf00962375
Popis:	Rate constants have been determined for electron phototransfer reactions in ethanol solutions of the following associated (bonded) systems: zinc porphyrin-viologen, and zinc porphyrin-viologen-quinone. In the case of the zinc porphyrin-viologen-quinone triad, intramolecular electron transfer results in the appearance of a long-lived ion-radical state with a lifetime of ∿10 msec and a quantum yield of ca. 0.15.
Databáze:	OpenAIRE
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