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Physical Review Letters, volume 90, issue 25, publication number 257404

Temperature Dependence of the Luminescence Lifetime of SingleCdSe/ZnSQuantum Dots

Publication typeJournal Article
Publication date2003-06-26
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor8.6
ISSN00319007, 10797114
General Physics and Astronomy
Abstract
We study the temperature dependence of the luminescence decay of single CdSe/ZnS quantum dots between 2 and 140 K. For the first time, we observe a biexponential decay which was completely hidden in ensemble measurements. We find that the long time component strongly depends on temperature. This demonstrates that the band edge luminescence arises from two thermally mixed fine structure states, the dark ground state and the lowest bright one. To interpret our results, we derive the analytical expressions for the decay using a three level model. Fitting the experimental data leads directly to the lifetime of the states as well as their energy splitting.

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GOST Copy
Labeau O., Tamarat P., Lounis B. Temperature Dependence of the Luminescence Lifetime of SingleCdSe/ZnSQuantum Dots // Physical Review Letters. 2003. Vol. 90. No. 25. 257404
GOST all authors (up to 50) Copy
Labeau O., Tamarat P., Lounis B. Temperature Dependence of the Luminescence Lifetime of SingleCdSe/ZnSQuantum Dots // Physical Review Letters. 2003. Vol. 90. No. 25. 257404
RIS |
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RIS Copy
TY - JOUR
DO - 10.1103/PhysRevLett.90.257404
UR - https://doi.org/10.1103/PhysRevLett.90.257404
TI - Temperature Dependence of the Luminescence Lifetime of SingleCdSe/ZnSQuantum Dots
T2 - Physical Review Letters
AU - Labeau, Olivier
AU - Tamarat, Philippe
AU - Lounis, Brahim
PY - 2003
DA - 2003/06/26 00:00:00
PB - American Physical Society (APS)
IS - 25
VL - 90
SN - 0031-9007
SN - 1079-7114
ER -
BibTex
Cite this
BibTex Copy
@article{2003_Labeau,
author = {Olivier Labeau and Philippe Tamarat and Brahim Lounis},
title = {Temperature Dependence of the Luminescence Lifetime of SingleCdSe/ZnSQuantum Dots},
journal = {Physical Review Letters},
year = {2003},
volume = {90},
publisher = {American Physical Society (APS)},
month = {jun},
url = {https://doi.org/10.1103/PhysRevLett.90.257404},
number = {25},
doi = {10.1103/PhysRevLett.90.257404}
}
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