Fluorescence quenching of alternant and non-alternant polycyclic hydrocarbons by electron transfer |
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| Authors: | U. Breymann H. Dreeskamp E. Koch M. Zander |
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| Affiliation: | Lehrstuhl B für Physikalische Chemie der TU Braunschweig, D-3300 Braunschweig, Germany;Rürgerswerke AG, D-4620 Castrop-Rauxel, Germany |
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| Abstract: | Rate constants of fluorescence quenching by electron acceptors are greater for alternant than for non-alternant hydrocarbons with equal Eoo. The reverse is true for quenching by electron donors. This is consistent with the lowering of the π-orbital energies of non-alternant compared to alternant polycyclic hydrocarbons of equal Eoo. |
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