Prompt and delayed emissions from a naphthalene crystal doped with pyrene have been investigated in the temperature range 77-300 K. It is shown that delayed fluorescence (DF) in this crystal originates from heterofusion and homofusion of two different types of trap triplets at low temperature (T< 13
β¦ LIBER β¦
Delayed fluorescence in pure and doped NaNO2 single crystals: Optical manifestation of triplet excitons
β Scribed by L. Schmidt; H. Port; D. Schmid
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 402 KB
- Volume
- 51
- Category
- Article
- ISSN
- 0009-2614
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The triplet Tr states in diphenylbutadiene and diphenylhexatriene single crystals have been investigated by delayed fluorescence detected magnetic resonance at zero-field between 1.2 and 2.1 K and T> 30 K. The signals are identified as being due to metastable triplet excitons and to X-traps. Their 1