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Physical Review Letters, volume 103, issue 20, publication number 207402

Model of fluorescence intermittency of single colloidal semiconductor quantum dots using multiple recombination centers.

Publication typeJournal Article
Publication date2009-11-11
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor8.6
ISSN00319007, 10797114
General Physics and Astronomy
Abstract
We present a new physical model resolving a long-standing mystery of the power-law distributions of the blinking times in single colloidal quantum dot fluorescence. The model considers the nonradiative relaxation of the exciton through multiple recombination centers. Each center is allowed to switch between two quasistationary states. We point out that the conventional threshold analysis method used to extract the exponents of the distributions for the on times and off times has a serious flaw: the qualitative properties of the distributions strongly depend on the threshold value chosen for separating the on and off states. Our new model explains naturally this threshold dependence, as well as other key experimental features of the single quantum dot fluorescence trajectories, such as the power-law power spectrum (1/f noise).

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Frantsuzov P., Volkán-Kacsó S., Jankó B. Model of fluorescence intermittency of single colloidal semiconductor quantum dots using multiple recombination centers. // Physical Review Letters. 2009. Vol. 103. No. 20. 207402
GOST all authors (up to 50) Copy
Frantsuzov P., Volkán-Kacsó S., Jankó B. Model of fluorescence intermittency of single colloidal semiconductor quantum dots using multiple recombination centers. // Physical Review Letters. 2009. Vol. 103. No. 20. 207402
RIS |
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RIS Copy
TY - JOUR
DO - 10.1103/PhysRevLett.103.207402
UR - https://doi.org/10.1103/PhysRevLett.103.207402
TI - Model of fluorescence intermittency of single colloidal semiconductor quantum dots using multiple recombination centers.
T2 - Physical Review Letters
AU - Frantsuzov, Pavel
AU - Volkán-Kacsó, Sándor
AU - Jankó, Bolizsár
PY - 2009
DA - 2009/11/11 00:00:00
PB - American Physical Society (APS)
IS - 20
VL - 103
SN - 0031-9007
SN - 1079-7114
ER -
BibTex
Cite this
BibTex Copy
@article{2009_Frantsuzov,
author = {Pavel Frantsuzov and Sándor Volkán-Kacsó and Bolizsár Jankó},
title = {Model of fluorescence intermittency of single colloidal semiconductor quantum dots using multiple recombination centers.},
journal = {Physical Review Letters},
year = {2009},
volume = {103},
publisher = {American Physical Society (APS)},
month = {nov},
url = {https://doi.org/10.1103/PhysRevLett.103.207402},
number = {20},
doi = {10.1103/PhysRevLett.103.207402}
}
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