Physical Review B, volume 53, issue 24, pages 16338-16346

Measurement and assignment of the size-dependent optical spectrum in CdSe quantum dots

Publication typeJournal Article
Publication date1996-06-15
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor3.7
ISSN24699950, 24699969, 10980121, 1550235X
Abstract
We use photoluminescence excitation to study the electronic spectrum of CdSe quantum dots ranging from \ensuremath{\sim}12 to \ensuremath{\sim}53 \AA{} in radius. We follow the size evolution of ten quantum dot absorption features. Comparison of the spectra with theoretical predictions allows us to confidently assign six of these transitions. We discuss the most likely assignments for the remaining four. We find that the ${\mathit{n}}_{\mathit{hS}3/2}$1${\mathit{S}}_{\mathit{e}}$ and ${\mathit{n}}_{\mathit{hS}1/2}$1${\mathit{S}}_{\mathit{e}}$ transitions dominate the spectra, accounting for half of the observed features. Our size-dependent data exhibit two strong avoided crossings, demonstrating the importance of valence-band structure in the description of the excited states. \textcopyright{} 1996 The American Physical Society.

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Norris D. R., Bawendi M. G. Measurement and assignment of the size-dependent optical spectrum in CdSe quantum dots // Physical Review B. 1996. Vol. 53. No. 24. pp. 16338-16346.
GOST all authors (up to 50) Copy
Norris D. R., Bawendi M. G. Measurement and assignment of the size-dependent optical spectrum in CdSe quantum dots // Physical Review B. 1996. Vol. 53. No. 24. pp. 16338-16346.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1103/PhysRevB.53.16338
UR - https://doi.org/10.1103/PhysRevB.53.16338
TI - Measurement and assignment of the size-dependent optical spectrum in CdSe quantum dots
T2 - Physical Review B
AU - Norris, D. Ryan
AU - Bawendi, Moungi G.
PY - 1996
DA - 1996/06/15 00:00:00
PB - American Physical Society (APS)
SP - 16338-16346
IS - 24
VL - 53
SN - 2469-9950
SN - 2469-9969
SN - 1098-0121
SN - 1550-235X
ER -
BibTex |
Cite this
BibTex Copy
@article{1996_Norris,
author = {D. Ryan Norris and Moungi G. Bawendi},
title = {Measurement and assignment of the size-dependent optical spectrum in CdSe quantum dots},
journal = {Physical Review B},
year = {1996},
volume = {53},
publisher = {American Physical Society (APS)},
month = {jun},
url = {https://doi.org/10.1103/PhysRevB.53.16338},
number = {24},
pages = {16338--16346},
doi = {10.1103/PhysRevB.53.16338}
}
MLA
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MLA Copy
Norris, D. Ryan, and Moungi G. Bawendi. “Measurement and assignment of the size-dependent optical spectrum in CdSe quantum dots.” Physical Review B, vol. 53, no. 24, Jun. 1996, pp. 16338-16346. https://doi.org/10.1103/PhysRevB.53.16338.
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