Frequency-dependent spontaneous emission ...
Document type :
Compte-rendu et recension critique d'ouvrage
Title :
Frequency-dependent spontaneous emission rate from CdSe and CdTe nanocrystals : influence of dark states
Author(s) :
van Driel, A.F. [Auteur]
Universiteit Utrecht / Utrecht University [Utrecht]
Allan, Guy [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Delerue, Christophe [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Lodahl, Peter [Auteur]
Vos, Willem L. [Auteur]
Vanmaekelbergh, Daniel [Auteur]
Universiteit Utrecht / Utrecht University [Utrecht]
Universiteit Utrecht / Utrecht University [Utrecht]
Allan, Guy [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Delerue, Christophe [Auteur]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Lodahl, Peter [Auteur]
Vos, Willem L. [Auteur]
Vanmaekelbergh, Daniel [Auteur]
Universiteit Utrecht / Utrecht University [Utrecht]
Journal title :
Physical Review Letters
Pages :
236804/1-4
Publisher :
American Physical Society
Publication date :
2005-12-01
ISSN :
0031-9007
HAL domain(s) :
Sciences de l'ingénieur [physics]
English abstract : [en]
We studied the rate of spontaneous emission from colloidal CdSe and CdTe nanocrystals at room temperature. The decay rate, obtained from luminescence decay curves, increases with the emission frequency in a supralinear ...
Show more >We studied the rate of spontaneous emission from colloidal CdSe and CdTe nanocrystals at room temperature. The decay rate, obtained from luminescence decay curves, increases with the emission frequency in a supralinear way. This dependence is explained by the thermal occupation of dark exciton states at room temperature, giving rise to a strong attenuation of the rate of emission. The supralinear dependence is in agreement with the results of tight-binding calculations.Show less >
Show more >We studied the rate of spontaneous emission from colloidal CdSe and CdTe nanocrystals at room temperature. The decay rate, obtained from luminescence decay curves, increases with the emission frequency in a supralinear way. This dependence is explained by the thermal occupation of dark exciton states at room temperature, giving rise to a strong attenuation of the rate of emission. The supralinear dependence is in agreement with the results of tight-binding calculations.Show less >
Language :
Anglais
Popular science :
Non
Source :
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- http://arxiv.org/pdf/cond-mat/0509565
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- 0509565
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