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Faulques, E., Massuyeau, F., Wang, Q., Seo, D. .-K. & Jobic, S. (2010) Mapping emissive channels of quantum dots: Influence of size and environment on energy transfer in the time domain. Appl. Phys. Lett. 97 153111.
Added by: Laurent Cournède (2016-03-10 21:37:31) |
| Type de référence: Article DOI: 10.1063/1.3497269 Numéro d'identification (ISBN etc.): 0003-6951 Clé BibTeX: Faulques2010 Voir tous les détails bibliographiques  |
Catégories: MIOPS Mots-clés: carrier relaxation, dependence, dynamics, nanocrystals, pairs, photoluminescence, selenide, states, systems Créateurs: Faulques, Jobic, Massuyeau, Seo, Wang Collection: Appl. Phys. Lett. |
Consultations : 2/512
Indice de consultation : 3% Indice de popularité : 0.75% |
| Résumé |
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In the quantum confinement regime, the time-resolved photoluminescence mapping of CdSe nanocrystals reveals unusual size-dependent characteristics in solute or solid-state environments. The former case typifies long-lived intradot exciton recombinations, while in the latter energy-dependent Kohlrausch relaxations quench luminescence via interdot energy transfer. The observed energy transfer rate increases for larger size (1.5 X 10(8) s(-1) for d = 2.5 nm and 6.4 X 10(8) s(-1) for d = 10 nm). (C) 2010 American Institute of Physics. [doi: 10.1063/1.3497269]
Added by: Laurent Cournède |