Energy transfer and trapping in regular hyperbranched macromolecules
β Scribed by A. Blumen; A. Volta; A. Jurjiu; Th. Koslowski
- Publisher
- Elsevier Science
- Year
- 2005
- Tongue
- English
- Weight
- 218 KB
- Volume
- 356
- Category
- Article
- ISSN
- 0378-4371
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π SIMILAR VOLUMES
Abstraet--Intramolecular energy migration and trapping by acceptor species which are an integral part of a macromolecule have been studied in three polymer systems using the techniques of fluorescence depolarization. The effect of energy migration produces depolarization of both donor and accep(or e
Time-resolved fluorescence lifetime and depolarization measurements are used to investigate electronic excitation energy transfer and trapping in quinizarin-doped aluminosilicate sol-gel glasses. At low quinizarin concentrations donor-donor electronic energy transfer is dominant, however, at higher