Abstract
The rate constants k q of interaction of triplet excited state benzophenones with various substituents and bis(acetylacetonato)copper(II) in methanol were determined by following the quenching of benzophenone phosphorescence intensities and quantum yields of the photoreduction of Cu(acac) 2. A correlation of log k q with the calculated reduction potentials of the triplet excited state benzophenones suggested that the interaction was dominated by an electron transfer from Cu(acac) 2 to benzophenones.
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