Characterizing quantum-dot blinking using noise power spectra

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https://pubs.aip.org/aip/apl/article-abstract/85/5/819/115645/Characterizing-quantum-dot-blinking-using-noise?redirectedFrom=fulltext

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https://doi.org/10.1063/1.1779356
 http://hdl.handle.net/11603/29239

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UMBC Physics Department

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https://orcid.org/0000-0002-6370-8765

Date

2004-07-27

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journal articles
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Citation of Original Publication

Matthew Pelton, David G. Grier, Philippe Guyot-Sionnest; Characterizing quantum-dot blinking using noise power spectra. Appl. Phys. Lett. 2 August 2004; 85 (5): 819–821. https://doi.org/10.1063/1.1779356

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This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Matthew Pelton, David G. Grier, Philippe Guyot-Sionnest; Characterizing quantum-dot blinking using noise power spectra. Appl. Phys. Lett. 2 August 2004; 85 (5): 819–821. https://doi.org/10.1063/1.1779356 and may be found at https://doi.org/10.1063/1.1779356.

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Abstract

Fluctuations in the fluorescence from macroscopic ensembles of colloidal semiconductor quantum dots have the spectral form of 1∕f noise. The measured power spectral density reflects the fluorescence intermittency of individual dots with power-law distributions of “on” and “off” times, and can thus serve as a simple method for characterizing such blinking behavior.