Physical Review B, volume 60, issue 4, pages R2181-R2184
Intraband relaxation in CdSe quantum dots
Publication type: Journal Article
Publication date: 1999-07-15
Journal:
Physical Review B
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor: 3.7
ISSN: 24699950, 24699969, 10980121, 1550235X
Abstract
The relaxation of the $1P$ to $1S$ electronic states of CdSe semiconductor nanocrystals is followed by infrared pump-probe spectroscopy. Fast (1 ps) and slow (g200 ps) components are observed. Using different capping molecules to control the hole states, we show how the intraband relaxation slows down as the hole is in a shallow trap, a deep trap, or a charge-separated complex, providing strong support for an electron-hole Auger coupling. The slow component corresponds to an energy relaxation rate orders of magnitude slower than in bulk systems. It may be the first indication of the phonon bottleneck effect long expected in strongly confined quantum dots.
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Guyot-Sionnest P. et al. Intraband relaxation in CdSe quantum dots // Physical Review B. 1999. Vol. 60. No. 4. p. R2181-R2184.
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Guyot-Sionnest P., Shim M., Matranga C., Hines M. Intraband relaxation in CdSe quantum dots // Physical Review B. 1999. Vol. 60. No. 4. p. R2181-R2184.
Cite this
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TY - JOUR
DO - 10.1103/PhysRevB.60.R2181
UR - https://doi.org/10.1103/PhysRevB.60.R2181
TI - Intraband relaxation in CdSe quantum dots
T2 - Physical Review B
AU - Guyot-Sionnest, Philippe
AU - Shim, Moonsub
AU - Matranga, Chris
AU - Hines, Margaret
PY - 1999
DA - 1999/07/15
PB - American Physical Society (APS)
SP - R2181-R2184
IS - 4
VL - 60
SN - 2469-9950
SN - 2469-9969
SN - 1098-0121
SN - 1550-235X
ER -
Cite this
BibTex
Copy
@article{1999_Guyot-Sionnest,
author = {Philippe Guyot-Sionnest and Moonsub Shim and Chris Matranga and Margaret Hines},
title = {Intraband relaxation in CdSe quantum dots},
journal = {Physical Review B},
year = {1999},
volume = {60},
publisher = {American Physical Society (APS)},
month = {jul},
url = {https://doi.org/10.1103/PhysRevB.60.R2181},
number = {4},
pages = {R2181--R2184},
doi = {10.1103/PhysRevB.60.R2181}
}
Cite this
MLA
Copy
Guyot-Sionnest, Philippe, et al. “Intraband relaxation in CdSe quantum dots.” Physical Review B, vol. 60, no. 4, Jul. 1999, pp. R2181-R2184. https://doi.org/10.1103/PhysRevB.60.R2181.