Energy transfer from excited cyclohexane to aromatic solutes

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Abstract

Energy transfer processes in cyclohexane solutions of ten aromatic compounds were investigated at 25 °C under steady state 7.6 eV photolysis. The transfer rates calculated by taking 1 ns for the excited state lifetime of cyclohexane are equal to or lower than the rates for diffusion-controlled reactions when the reaction radius is taken as the sum of the molecular radii of the solute and solvent molecules. These compounds are found to be good energy quenchers in photolysis experiments and had earlier been reported to be good charge scavengers during radiolysis. It is suggested that some type of short-range interaction is of importance in determining the transfer rates.

Original languageEnglish
Pages (from-to)341-353
Number of pages13
JournalJournal of Photochemistry
Volume24
Issue number4
DOIs
Publication statusPublished - Apr 1984

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