Frequency-dependent spontaneous emission rate from CdSe and CdTe nanocrystals: influence of dark states

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dc.creatorvan Driel, A. F.
dc.creatorAllan, G.
dc.creatorDelerue, C.
dc.creatorLodahl, P.
dc.creatorVos, W. L.
dc.creatorVanmaekelbergh, D.
dc.date2005-09-22
dc.date2005-10-21
dc.date.accessioned2026-07-07T06:41:50Z
dc.date.available2026-07-07T06:41:50Z
dc.descriptionWe 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 supra-linear 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 supra-linear dependence is in agreement with the results of tight-binding calculations.
dc.description11 pages
dc.identifierhttps://arxiv.org/abs/cond-mat/0509565
dc.identifierhttp://arxiv.org/abs/cond-mat/0509565
dc.identifierPhys. Rev. Lett. 95, 236804 (2005)
dc.identifierdoi:10.1103/PhysRevLett.95.236804
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/101818
dc.subjectMaterials Science
dc.titleFrequency-dependent spontaneous emission rate from CdSe and CdTe nanocrystals: influence of dark states
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