Effect of a magnetic field on the radical-ion yield upon the quenching of the triplet state of erythrosine by viologens

Autor:	E. E. Yablonskaya, Peter P. Levin, V. Ya. Shafirovich, Vladimir A. Kuzmin, E. S. Klimchuk, V.E. Maier
Rok vydání:	1988
Předmět:	Electron transfer chemistry.chemical_compound Quenching (fluorescence) Radical ion chemistry Yield (chemistry) Atom General Chemistry Triplet state Photochemistry Erythrosine Magnetic field
Zdroj:	Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 37:1270-1272
ISSN:	1573-9171 0568-5230
DOI:	10.1007/bf00961955
Popis:	1. The application of an external magnetic field of 1.8 kOe leads to 5–10% decrease in the radical-ion yield in electron transfer from the triplet state of erythrosine to viologens in water. 2. The observed effects are explained in the framework of a “triplet” mechanism due to the effect of the magnetic field on relaxational transitions in the system of triplet sublevels of the intermediate triplet exciplex under conditions of highly pronounced anisotropy of the spin-orbital interaction in the heavy atom.
Databáze:	OpenAIRE
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