Electron transfer contributions to the quenching of aromatic ketone phosphorescence by electron—poor olefins |
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| Authors: | Utam Maharaj Mitchell A. Winnik |
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| Affiliation: | Lash Miller Laboratories, Department of Chemistry and Erindale College University of Toronto, Toronto Ontario Canada M5S 1A1 |
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| Abstract: | The rate constant kir for quenching diaryl ketone triplet states by electron poor olefins in CCl4 at room temperature decreases with decreasing reduction potential of the olefin. Unlike in previous cases, our data here fit the Weller equation, which predicts that en kir ≈ 1/RT. |
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