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Mechanism of the degradation of electronic excitation energy in photochromic spiropyrans

  • Physical Chemistry
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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    Depending on the nature of the heterocycle, the heterocyclic part of a spiropyran molecule may serve either as a donor or as an acceptor of electronic excitation energy.

  2. 2.

    The rate constant for the rupture of the C-O bond in the singlet excited state of the chromene part of the molecule is independent of temperature.

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Authors and Affiliations

  1. Institute of Chemical Physics, Academy of Sciences of the USSR, Moscow

    A. S. Dvornikov, Ya. N. Malkin & V. A. Kuz'min

Authors
  1. A. S. Dvornikov
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  2. Ya. N. Malkin
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  3. V. A. Kuz'min
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1520–1526, July, 1982.

The authors thank É. R. Zakhs and V. P. Martynova for synthesizing the spiropyrans.

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Dvornikov, A.S., Malkin, Y.N. & Kuz'min, V.A. Mechanism of the degradation of electronic excitation energy in photochromic spiropyrans. Russ Chem Bull 31, 1355–1359 (1982). https://doi.org/10.1007/BF00954153

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  • DOI: https://doi.org/10.1007/BF00954153

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