Vol. 17, issue 02-03, article # 24pdf Smirnov O.V., Artyukhov V.Ya. Dual fluorescence in donor-acceptor molecules. // Atmospheric and oceanic optics. 2004. V. 17. No. 02-03. P. 197-199.
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The quantum chemical study of the fluorescent properties of donor-acceptor molecules has been carried out with the allowance made for the interaction with a polar solvent. The mechanism of formation of dual fluorescence in polar molecules is proposed. It is supposed that, as a polar molecule interacts with a polar solvent, the strong hydrogen bond and the molecule-polar solvent complex are formed, and a radiative state with a large Stokes shift can arise in this complex.