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Physical Review Letters, volume 81, issue 16, pages 3539-3542

Size-Dependent Temperature Variation of the Energy Gap in Lead-Salt Quantum Dots

A. Olkhovets 1
R.-C. Hsu 1
A Lipovskii 1
F.W. Wise 1
Frank Wise Frank Wise 1
Publication typeJournal Article
Publication date1998-10-19
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor8.6
ISSN00319007, 10797114
General Physics and Astronomy
Abstract
We observe that the temperature coefficients of electron-hole pair energies $(dE/dT)$ in PbS and PbSe quantum dots depend strongly on the size of the quantum dot. With decreasing size the temperature coefficient of the lowest electron-hole pair energy ${\mathrm{dE}}_{g}/dT$ decreases by more than an order of magnitude from the bulk value. The weak temperature dependence found in the strong-confinement limit is expected for atomiclike levels, but has not been observed previously in a semiconductor.

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GOST |
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GOST Copy
Olkhovets A. et al. Size-Dependent Temperature Variation of the Energy Gap in Lead-Salt Quantum Dots // Physical Review Letters. 1998. Vol. 81. No. 16. pp. 3539-3542.
GOST all authors (up to 50) Copy
Olkhovets A., Hsu R., Lipovskii A., Lipovskii A., Wise F., Frank Wise F. W. Size-Dependent Temperature Variation of the Energy Gap in Lead-Salt Quantum Dots // Physical Review Letters. 1998. Vol. 81. No. 16. pp. 3539-3542.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1103/physrevlett.81.3539
UR - https://doi.org/10.1103/physrevlett.81.3539
TI - Size-Dependent Temperature Variation of the Energy Gap in Lead-Salt Quantum Dots
T2 - Physical Review Letters
AU - Olkhovets, A.
AU - Hsu, R.-C.
AU - Lipovskii, A
AU - Wise, F.W.
AU - Lipovskii, Andrey
AU - Frank Wise, Frank Wise
PY - 1998
DA - 1998/10/19 00:00:00
PB - American Physical Society (APS)
SP - 3539-3542
IS - 16
VL - 81
SN - 0031-9007
SN - 1079-7114
ER -
BibTex |
Cite this
BibTex Copy
@article{1998_Olkhovets,
author = {A. Olkhovets and R.-C. Hsu and A Lipovskii and F.W. Wise and Andrey Lipovskii and Frank Wise Frank Wise},
title = {Size-Dependent Temperature Variation of the Energy Gap in Lead-Salt Quantum Dots},
journal = {Physical Review Letters},
year = {1998},
volume = {81},
publisher = {American Physical Society (APS)},
month = {oct},
url = {https://doi.org/10.1103/physrevlett.81.3539},
number = {16},
pages = {3539--3542},
doi = {10.1103/physrevlett.81.3539}
}
MLA
Cite this
MLA Copy
Olkhovets, A., et al. “Size-Dependent Temperature Variation of the Energy Gap in Lead-Salt Quantum Dots.” Physical Review Letters, vol. 81, no. 16, Oct. 1998, pp. 3539-3542. https://doi.org/10.1103/physrevlett.81.3539.
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