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Effect of polymer additives on magnetic modulation of the yield of products of recombination of triplet radical ion pairs in electron phototransfer between N,N-dimethylaniline and pyrene. 1. Polyacrylamide in ethylene glycol

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

Abstract

The effect of a magnetic field on the yield of products of recombination of triplet radical ion pairs in phototransfer of an electron between N,N-dimethylaniline and pyrene in ethylene glycol was investigated by laser strobe fluorometry. It was found that addition of a flexible-chain, linear polymer, polyacrylamide (PAAm), to the solution decreases the magnetic field effect (MFE) for concentrations higher than 130–140 g/liter. A linear correlation was established between the MFE and translational mobility of the reagents. A similar correlation was obtained for MFE in a viscous homogeneous liquid. A conclusion was drawn concerning the absence of a specific effect of PAAm on the cage effect based on the agreement of these correlations.

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Authors
  1. A. A. Vedeneev
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  2. N. L. Lavrik
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  3. I. V. Khudyakov
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Additional information

N. N. Semenov Institute of Chemical Physics, Russian Academy of Sciences, 117334 Moscow. Translated from Izvestiya Akademii Nauk, Seriya Khimicheskaya, No. 9, pp. 2053–2058, September, 1992.

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Vedeneev, A.A., Lavrik, N.L. & Khudyakov, I.V. Effect of polymer additives on magnetic modulation of the yield of products of recombination of triplet radical ion pairs in electron phototransfer between N,N-dimethylaniline and pyrene. 1. Polyacrylamide in ethylene glycol. Russ Chem Bull 41, 1597–1602 (1992). https://doi.org/10.1007/BF00863579

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  • DOI: https://doi.org/10.1007/BF00863579

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