ACS Nano, volume 3, issue 8, pages 2281-2287

Exciton−Trion Transitions in Single CdSe–CdS Core–Shell Nanocrystals

Publication typeJournal Article
Publication date2009-08-05
Journal: ACS Nano
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor17.1
ISSN19360851, 1936086X
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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GOST |
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GOST Copy
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.
GOST all authors (up to 50) Copy
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.
RIS |
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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 - Fernée, Mark J.
AU - Gómez, Daniel E.
AU - Van Embden, Joel
AU - Mulvaney, Paul
AU - Rubinsztein-Dunlop, H.
PY - 2009
DA - 2009/08/05 00:00:00
PB - American Chemical Society (ACS)
SP - 2281-2287
IS - 8
VL - 3
SN - 1936-0851
SN - 1936-086X
ER -
BibTex |
Cite this
BibTex Copy
@article{2009_Gómez,
author = {Mark J. Fernée and Daniel E. Gómez and Joel Van Embden and Paul Mulvaney 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}
}
MLA
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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.
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