Multiple temperature regimes of radiative decay in CdSe nanocrystal quantum dots: Intrinsic limits to the dark-exciton lifetime
1
National High Magnetic Field Laboratory, Los Alamos National Laboratory, Los Alamos, New Mexico 87545
|
2
Chemistry Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545
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Publication type: Journal Article
Publication date: 2003-04-21
scimago Q1
wos Q2
SJR: 0.896
CiteScore: 6.1
Impact factor: 3.6
ISSN: 00036951, 10773118
Physics and Astronomy (miscellaneous)
Abstract
We investigate the strongly temperature-dependent radiative lifetime of electron–hole excitations in colloidal CdSe nanocrystal quantum dots over nearly three orders of magnitude in temperature (300 K to 380 mK). These studies reveal an intrinsic, radiative upper limit of ∼1 μs for the storage of excitons below 2 K. At higher temperatures, exciton lifetimes are consistent with thermal activation from the dark-exciton ground state, but with two different activation thresholds.
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CROOKER S. A. et al. Multiple temperature regimes of radiative decay in CdSe nanocrystal quantum dots: Intrinsic limits to the dark-exciton lifetime // Applied Physics Letters. 2003. Vol. 82. No. 17. pp. 2793-2795.
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CROOKER S. A., Barrick T., Hollingsworth J., KLIMOV V. I. Multiple temperature regimes of radiative decay in CdSe nanocrystal quantum dots: Intrinsic limits to the dark-exciton lifetime // Applied Physics Letters. 2003. Vol. 82. No. 17. pp. 2793-2795.
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TY - JOUR
DO - 10.1063/1.1570923
UR - https://doi.org/10.1063/1.1570923
TI - Multiple temperature regimes of radiative decay in CdSe nanocrystal quantum dots: Intrinsic limits to the dark-exciton lifetime
T2 - Applied Physics Letters
AU - CROOKER, S. A.
AU - Barrick, T.
AU - Hollingsworth, J.A.
AU - KLIMOV, V. I.
PY - 2003
DA - 2003/04/21
PB - AIP Publishing
SP - 2793-2795
IS - 17
VL - 82
SN - 0003-6951
SN - 1077-3118
ER -
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@article{2003_CROOKER,
author = {S. A. CROOKER and T. Barrick and J.A. Hollingsworth and V. I. KLIMOV},
title = {Multiple temperature regimes of radiative decay in CdSe nanocrystal quantum dots: Intrinsic limits to the dark-exciton lifetime},
journal = {Applied Physics Letters},
year = {2003},
volume = {82},
publisher = {AIP Publishing},
month = {apr},
url = {https://doi.org/10.1063/1.1570923},
number = {17},
pages = {2793--2795},
doi = {10.1063/1.1570923}
}
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CROOKER, S. A., et al. “Multiple temperature regimes of radiative decay in CdSe nanocrystal quantum dots: Intrinsic limits to the dark-exciton lifetime.” Applied Physics Letters, vol. 82, no. 17, Apr. 2003, pp. 2793-2795. https://doi.org/10.1063/1.1570923.
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