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Photochemical reaction of zinc and magnesium porphyrins in vitreous matrices containing donor and acceptor particles

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

Conclusions

  1. 1.

    The irradiation of frozen solutions of zinc and magnesium porphyrins in ethanol or triethylamine containing CCl4 with light, which overlaps the absorption bands of the pigments and their cation-radicals, leads to the photocatalytic decomposition of CCl4 molecules and the matrix and to a change in the spatial distribution of the acceptor particles in the vicinity of the metal porphyrin molecules.

  2. 2.

    The metal-porphyrin-sensitized transfer of an electron from molecules of the matrix to CCl4 can be realized both according to a mechanism in which an electron is transferred from an electronically excited pigment molecule to the acceptor (alcoholic solutions of the pigments) and through an intermediate stage in which an anion-radical of the metal porphyrin and a cation-radical of a solvent molecule (solutions of pigments in triethylamine) are formed.

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Literature cited

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Authors and Affiliations

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

    R. F. Khairutdinov, E. Kh. Brikenshtein & L. N. Strekova

Authors
  1. R. F. Khairutdinov
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  2. E. Kh. Brikenshtein
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  3. L. N. Strekova
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1504–1508, July, 1982.

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Khairutdinov, R.F., Brikenshtein, E.K. & Strekova, L.N. Photochemical reaction of zinc and magnesium porphyrins in vitreous matrices containing donor and acceptor particles. Russ Chem Bull 31, 1341–1344 (1982). https://doi.org/10.1007/BF00954150

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  • DOI: https://doi.org/10.1007/BF00954150

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