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Physical Review Letters, volume 96, issue 5, publication number 057408

Direct Observation of Electron-to-Hole Energy Transfer in CdSe Quantum Dots

E. Hendry 1, 2
M. Koeberg 1, 2
F. G. Wang 3
F. Wang 3
H. Zhang 4
Hongyu Zhang 4
C De Mello Donega 5
D. Vanmaekelbergh 5
M. Bonn 1, 2
Publication typeJournal Article
Publication date2006-02-09
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor8.6
ISSN00319007, 10797114
General Physics and Astronomy
Abstract
We independently determine the subpicosecond cooling rates for holes and electrons in CdSe quantum dots. Time-resolved luminescence and terahertz spectroscopy reveal that the rate of hole cooling, following photoexcitation of the quantum dots, depends critically on the electron excess energy. This constitutes the first direct, quantitative measurement of electron-to-hole energy transfer, the hypothesis behind the Auger cooling mechanism proposed in quantum dots, which is found to occur on a $1\ifmmode\pm\else\textpm\fi{}0.15\text{ }\text{ }\mathrm{ps}$ time scale.

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GOST Copy
Hendry E. et al. Direct Observation of Electron-to-Hole Energy Transfer in CdSe Quantum Dots // Physical Review Letters. 2006. Vol. 96. No. 5. 057408
GOST all authors (up to 50) Copy
Hendry E., Koeberg M., Wang F., Wang F. G., Zhang H., Zhang H., De Mello Donega C., De Mello Donega C., Vanmaekelbergh D., Vanmaekelbergh D., Bonn M., Bonn M. Direct Observation of Electron-to-Hole Energy Transfer in CdSe Quantum Dots // Physical Review Letters. 2006. Vol. 96. No. 5. 057408
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1103/PhysRevLett.96.057408
UR - https://doi.org/10.1103/PhysRevLett.96.057408
TI - Direct Observation of Electron-to-Hole Energy Transfer in CdSe Quantum Dots
T2 - Physical Review Letters
AU - Hendry, E.
AU - Koeberg, M.
AU - Wang, F.
AU - Zhang, H.
AU - De Mello Donega, C
AU - Vanmaekelbergh, D.
AU - Bonn, M.
AU - Wang, F. G.
AU - Zhang, Hongyu
AU - De Mello Donega, C.
AU - Vanmaekelbergh, Daniel
AU - Bonn, Mischa
PY - 2006
DA - 2006/02/09 00:00:00
PB - American Physical Society (APS)
IS - 5
VL - 96
SN - 0031-9007
SN - 1079-7114
ER -
BibTex
Cite this
BibTex Copy
@article{2006_Hendry,
author = {E. Hendry and M. Koeberg and F. Wang and H. Zhang and C De Mello Donega and D. Vanmaekelbergh and M. Bonn and F. G. Wang and Hongyu Zhang and C. De Mello Donega and Daniel Vanmaekelbergh and Mischa Bonn},
title = {Direct Observation of Electron-to-Hole Energy Transfer in CdSe Quantum Dots},
journal = {Physical Review Letters},
year = {2006},
volume = {96},
publisher = {American Physical Society (APS)},
month = {feb},
url = {https://doi.org/10.1103/PhysRevLett.96.057408},
number = {5},
doi = {10.1103/PhysRevLett.96.057408}
}
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