The effects of electron excitation energy transfer to the impurity centre in LiH crystals
β Scribed by S. O. Cholakh; V. A. Pustovarov; B. V. Shulgin
- Publisher
- John Wiley and Sons
- Year
- 1986
- Tongue
- English
- Weight
- 296 KB
- Volume
- 134
- Category
- Article
- ISSN
- 0370-1972
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## Abstract The theory of the energy transfer of electronic excitation between impurity atoms is developed for the case when broad absorption and luminescence bands exist. Perturbation theory is not employed. The probability of transfer is defined by a change of the quantum yield of the secondary d
Singlet and triplet exciton energy migration in the charge-transfer crystal of pyromellitie dianhydride-phenanthrene, undoped and doped with anthracene (10-4-10-2 M/M), have been studied in the 5-300 K temperature range. At low temperatures singlet and triplet excitons are self-trapped. They become