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Title

The Marcus Inverted Region: Role of the Nature of the Donor-Acceptor Pair and Free Ion Yields

Authors
Burget, D.
Jacques, Philippe
Suppan, Paul
Haselbach, Edwin
Published in Journal of the Chemical Society Faraday Transactions. 1994, vol. 90, no. 17, p. 2481
Abstract The free ion yield (R) resulting from the fluorescence quenching of 9,10-dicyanoanthracene (DCA) by various electron donors in acetonitrile has been studied using ns laser photoconductivity. The influence of the chemical nature of the doors is established in a general manner. For a given oxidation potential Eox(D/D+), the rate constant of geminate ion recombination, kbac, decreases significantly as the electronic delocalization of the donor increases. As a consequence multiple Marcus plots are observed in the inverted region. These plots show decreasing curvature when going from stilbenes to amines as donors. This fan effect is tentatively explained by considering the detailed roles of the parameters V, and h in the Marcus model.
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Research group Groupe Vauthey
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BURGET, D. et al. The Marcus Inverted Region: Role of the Nature of the Donor-Acceptor Pair and Free Ion Yields. In: Journal of the Chemical Society Faraday Transactions, 1994, vol. 90, n° 17, p. 2481. https://archive-ouverte.unige.ch/unige:3000

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Deposited on : 2009-09-21

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