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Features of sensitized phosphorescence and delayed annihilation fluorescence spectra of coronene in frozen solutions

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We have studied the sensitized phosphorescence spectra of coronene in toluene and its delayed annihilation fluorescence spectra in n-decane at 77 K. We show that as a result of perturbation of electronic states by exchange interactions, intensity redistribution occurs in both the sensitized phosphorescence spectrum and the delayed annihilation fluorescence spectrum. The nonzero probability of the symmetry-forbidden radiative 0–0 transition is explained by the lower symmetry of the bimolecular system compared with the symmetry of the coronene molecule.

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Authors and Affiliations

  1. Stavropol State University, 1 ul. Pushkina, Stavropol, 355009, Russia

    A. M. Shapovalova, A. B. Tishchenko & M. I. Deryabin

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  1. A. M. Shapovalova
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  2. A. B. Tishchenko
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  3. M. I. Deryabin
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Correspondence to A. M. Shapovalova.

Additional information

Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 78, No. 3, pp. 477–480, May–June, 2011.

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Shapovalova, A.M., Tishchenko, A.B. & Deryabin, M.I. Features of sensitized phosphorescence and delayed annihilation fluorescence spectra of coronene in frozen solutions. J Appl Spectrosc 78, 450–453 (2011). https://doi.org/10.1007/s10812-011-9484-z

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  • DOI: https://doi.org/10.1007/s10812-011-9484-z

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