Chemical quenching by water of the photoexcited uranyl ion in aqueous acidic solution
- 1 January 1979
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 75, 2273-2284
- https://doi.org/10.1039/f19797502273
Abstract
Several unusual features of uranyl photophysics in aqueous acidic solution, which we have previously explained by a more involved photophysical scheme than that generally adopted, are further clarified quantitatively. From concentration-quenching studies in H2O and D2O, it can be shown that the decrease in the luminescence yield on changing from D2O to H2O is due to a more active H-abstraction from H2O than of D from D2O by the highly reactive (5f, δu or ϕu), π3 u luminescent state of uranyl.Keywords
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