The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
“On”/“off” fluorescence intermittency of single semiconductor quantum dots
Abstract
Single molecule confocal microscopy is used to investigate the detailed kinetics of fluorescence intermittency in colloidal II–VI (CdSe) semiconductor quantum dots. Two distinct modes of behavior are observed corresponding to (i) sustained “on” episodes (τon) of rapid laser absorption/fluorescence cycling, followed by (ii) sustained “off” episodes (τoff) where essentially no light is emitted despite continuous laser excitation. Both on-time and off-time probability densities follow an inverse power law, P(τon/off)∝1/τon/offm, over more than seven decades in probability density and five decades in time. Such inverse power law behavior is an unambiguous signature of highly distributed kinetics with rates varying over 105-fold, in contrast with models for switching between “on” and “off” configurations of the system via single rate constant processes. The unprecedented dynamic range of the current data permits several kinetic models of fluorescence intermittency to be evaluated at the single molecule level and indicate the importance of fluctuations in the quantum dot environment.
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Cites
CRC Handbook of Chemistry and Physics
(2014) · doi:10.1201/b17118 · Cited by 57,706
Dabbousi, B. O., Rodriguez-Viejo, J., Mikulec, F. V., Heine, J. R., Mattoussi, H., Ober, R., Jensen, K. F., & Bawendi, M. G. (1997) · The Journal of Physical Chemistry B · doi:10.1021/jp971091y · Cited by 4,229
Shelved optical electron amplifier: Observation of quantum jumps
Nagourney, W., Sandberg, J., & Dehmelt, H. (1986) · Physical Review Letters · doi:10.1103/physrevlett.56.2797 · Cited by 937
Cited by
Lounis, B., & Orrit, M. (2005) · Reports on Progress in Physics · doi:10.1088/0034-4885/68/5/r04 · Cited by 908
de Mello Donegá, C., Liljeroth, P., & Vanmaekelbergh, D. (2005) · Small · doi:10.1002/smll.200500239 · Cited by 511
Biosensing with Luminescent Semiconductor Quantum Dots
Sapsford, K. E., Pons, T., Medintz, I. L., & Mattoussi, H. (2006) · Sensors · doi:10.3390/s6080925 · Cited by 420
Engineered quantum dot single-photon sources
Buckley, S., Rivoire, K., & Vučković, J. (2012) · Reports on Progress in Physics · doi:10.1088/0034-4885/75/12/126503 · Cited by 431
Kambhampati, P. (2011) · The Journal of Physical Chemistry C · doi:10.1021/jp2058673 · Cited by 391
Metadata
- Authors
- Kuno, M., Fromm, D. P., Hamann, H. F., Gallagher, A., & Nesbitt, D. J.
- Venue
- The Journal of Chemical Physics
- Publisher
- AIP Publishing
- Published
- 2001-07-08
- Volume
- 115
- Issue
- 2
- Pages
- 1028-1040
- ISSN
- 0021-9606 (ISSN-L)
- 1089-7690
- OpenAlex
- W1971217997
- Cited by
- 558
- References
- 3
- FWCI
- 8.09
- Type
- journal article
- Language
- en
- Open access
- closed
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- Kuno, M., Fromm, D. P., Hamann, H. F., Gallagher, A., & Nesbitt, D. J. (2001). “On”/“off” fluorescence intermittency of single semiconductor quantum dots. The Journal of Chemical Physics. https://doi.org/10.1063/1.1377883
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