Pal, A. J. ; Misra, T. N. (1986) Delayed fluorescence in a pyrene-doped naphthalene crystal: homofusion and heterofusion of triplet excitons Chemical Physics Letters, 130 (5). pp. 432-437. ISSN 0009-2614
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0009-2614(86)80500-0
Abstract
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<130 K) and from homofusion of pyrene triplets at high temperature (T>200 K). Pyrene concentration effects on DF suggest that free triplet excitons are trapped more efficiently at monomeric pyrene sites than at nascent excimeric pyrene sites.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 65768 |
| Deposited On: | 18 Oct 2011 08:03 |
| Last Modified: | 18 Oct 2011 08:03 |
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