Exciton−Trion Transitions in Single CdSe–CdS Core–Shell Nanocrystals
Daniel E. Gómez
1
,
Joel Van Embden
1
,
Paul Mulvaney
1
,
Mark J. Fernée
2
,
H. Rubinsztein-Dunlop
2
Publication type: Journal Article
Publication date: 2009-08-05
scimago Q1
wos Q1
SJR: 4.497
CiteScore: 24.2
Impact factor: 16.0
ISSN: 19360851, 1936086X
PubMed ID:
19655720
General Physics and Astronomy
General Materials Science
General Engineering
Abstract
We report on the observation of an intermediate state in the blinking of single CdSe/CdS core−shell nanocrystals. This state has a low quantum yield and connects the “on” and “off” states commonly observed in the photoluminescence blinking of individual nanocrystals. We find that the transitions between these two emitting states follow nearly single-exponential statistics. The transitions from the “on” state to this intermediate state result from changes in the surface passivation of the nanocrystal. The data are consistent with photoinduced, adsorption/desorption events that take place at the surface of the nanocrystals. The trion state leads to a reduction in photoluminescence in nanocrystals.
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Metrics
138
Total citations:
138
Citations from 2024:
9
(6.52%)
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GOST
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Gómez D. E. et al. Exciton−Trion Transitions in Single CdSe–CdS Core–Shell Nanocrystals // ACS Nano. 2009. Vol. 3. No. 8. pp. 2281-2287.
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Gómez D. E., Van Embden J., Mulvaney P., Fernée M. J., Rubinsztein-Dunlop H. Exciton−Trion Transitions in Single CdSe–CdS Core–Shell Nanocrystals // ACS Nano. 2009. Vol. 3. No. 8. pp. 2281-2287.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1021/nn900296q
UR - https://doi.org/10.1021/nn900296q
TI - Exciton−Trion Transitions in Single CdSe–CdS Core–Shell Nanocrystals
T2 - ACS Nano
AU - Gómez, Daniel E.
AU - Van Embden, Joel
AU - Mulvaney, Paul
AU - Fernée, Mark J.
AU - Rubinsztein-Dunlop, H.
PY - 2009
DA - 2009/08/05
PB - American Chemical Society (ACS)
SP - 2281-2287
IS - 8
VL - 3
PMID - 19655720
SN - 1936-0851
SN - 1936-086X
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2009_Gómez,
author = {Daniel E. Gómez and Joel Van Embden and Paul Mulvaney and Mark J. Fernée and H. Rubinsztein-Dunlop},
title = {Exciton−Trion Transitions in Single CdSe–CdS Core–Shell Nanocrystals},
journal = {ACS Nano},
year = {2009},
volume = {3},
publisher = {American Chemical Society (ACS)},
month = {aug},
url = {https://doi.org/10.1021/nn900296q},
number = {8},
pages = {2281--2287},
doi = {10.1021/nn900296q}
}
Cite this
MLA
Copy
Gómez, Daniel E., et al. “Exciton−Trion Transitions in Single CdSe–CdS Core–Shell Nanocrystals.” ACS Nano, vol. 3, no. 8, Aug. 2009, pp. 2281-2287. https://doi.org/10.1021/nn900296q.