Separation of Photogenerated Radical Ion Pairs in Viscous Solutions
β Scribed by Burshtein, A. I.; Neufeld, A. A.
- Book ID
- 126895319
- Publisher
- American Chemical Society
- Year
- 2001
- Tongue
- English
- Weight
- 117 KB
- Volume
- 105
- Category
- Article
- ISSN
- 0022-3654
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π SIMILAR VOLUMES
The optically detected ESR spectra (OD ESR) of naphthalene radical ion pairs in squalane show inversion near the glass formation point of the solvent. A similar inversion of OD ESR spectra is also observed for some other additives, such as biphenyl and tetrafluorobenzene in glassy nonpolar solvents
A pronounced solvent viscosity and polarity dependence of the magnetic field effect was found for polymethylene-linked radical ion pairs generated by photoinduced intramolecular electron transfer in compounds of the type pyrene-(CH\*),-N,N-dimethylaniline, with n = 7-16. This is interpreted in terms