Journal of Physical Chemistry C, volume 117, issue 4, pages 1887-1892
Size- and Temperature-Dependent Carrier Dynamics in Oleic Acid Capped PbS Quantum Dots
Publication type: Journal Article
Publication date: 2013-01-15
Journal:
Journal of Physical Chemistry C
Q1
Q3
SJR: 0.957
CiteScore: 6.5
Impact factor: 3.3
ISSN: 19327447, 19327455
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Physical and Theoretical Chemistry
General Energy
Abstract
In this work, we investigate the temperature dependence of the photoluminescence decay and integrated photoluminescence of oleic acid capped PbS quantum dots with diameters ranging from 2.3 to 3.5 nm over a broad temperature range (6–290 K). All the investigated samples exhibit similar behavior, consisting of three different temperature regimes. The low-temperature regime ( 250 K) is governed by quenched photoluminescence intensity and acceleration in the average lifetimes. We propose a three-level system, composed of bright, dark, and surface states, which describes the observed photoluminescence dynamics of oleic acid capped PbS QDs.
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Andreakou P. et al. Size- and Temperature-Dependent Carrier Dynamics in Oleic Acid Capped PbS Quantum Dots // Journal of Physical Chemistry C. 2013. Vol. 117. No. 4. pp. 1887-1892.
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Andreakou P., Brossard M., Li C., Bernechea M., Konstantatos G., Lagoudakis P. Size- and Temperature-Dependent Carrier Dynamics in Oleic Acid Capped PbS Quantum Dots // Journal of Physical Chemistry C. 2013. Vol. 117. No. 4. pp. 1887-1892.
Cite this
RIS
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TY - JOUR
DO - 10.1021/jp3054108
UR - https://doi.org/10.1021/jp3054108
TI - Size- and Temperature-Dependent Carrier Dynamics in Oleic Acid Capped PbS Quantum Dots
T2 - Journal of Physical Chemistry C
AU - Andreakou, Peristera
AU - Brossard, M.
AU - Li, Chunyong
AU - Bernechea, M.
AU - Konstantatos, Gerasimos
AU - Lagoudakis, P.G.
PY - 2013
DA - 2013/01/15
PB - American Chemical Society (ACS)
SP - 1887-1892
IS - 4
VL - 117
SN - 1932-7447
SN - 1932-7455
ER -
Cite this
BibTex (up to 50 authors)
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@article{2013_Andreakou,
author = {Peristera Andreakou and M. Brossard and Chunyong Li and M. Bernechea and Gerasimos Konstantatos and P.G. Lagoudakis},
title = {Size- and Temperature-Dependent Carrier Dynamics in Oleic Acid Capped PbS Quantum Dots},
journal = {Journal of Physical Chemistry C},
year = {2013},
volume = {117},
publisher = {American Chemical Society (ACS)},
month = {jan},
url = {https://doi.org/10.1021/jp3054108},
number = {4},
pages = {1887--1892},
doi = {10.1021/jp3054108}
}
Cite this
MLA
Copy
Andreakou, Peristera, et al. “Size- and Temperature-Dependent Carrier Dynamics in Oleic Acid Capped PbS Quantum Dots.” Journal of Physical Chemistry C, vol. 117, no. 4, Jan. 2013, pp. 1887-1892. https://doi.org/10.1021/jp3054108.