Energieübertragung in Anthracen dotierten 2,3 Dimethyl- naphthalin-Einkristallen im Temperaturbereich 4K < T < 300 K / Energy Transfer in Anthracene Doped 2,3 Dimethylnaphthalene Single Crystals
Open Access
- 1 November 1975
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung A
- Vol. 30 (11) , 1462-1469
- https://doi.org/10.1515/zna-1975-1115
Abstract
The fluorescence spectra and the decay time of emission bands of pure and anthracene doped 2,3 Dimethylnaphthalin single crystals excited by short light pulses were examined for temperatures of 4 to 300 K. On raising the temperature from 40 to 120 K the decay time and the relative quantum yield of 2,3 DN decreases, the emission is shifted by about 150 cm-1 to higher energies and simultanously the energy transfer to the anthracene impurity molecule increases. A model calculation is presented which allows a theoretical interpretation of the experimental resultsKeywords
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