Adaptive Thresholding for Dark/Light States in Single Quantum Dot Blinking Fluorescence

Quantum dots (QDs) are semiconductor nanocrystals with fluorescent properties depending on their composition, size, shape, etc. Many types of QDs manifest so-called blinking fluorescence, also typical for the majority of single quantum emitters (organic molecules, dielectric nanoparticles, etc.) [1,...

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Bibliographic Details
Published inEPJ Web of conferences Vol. 103; pp. 5006 - 1-05006-2
Main Authors Shchukina, A.L., Eremchev, I.Yu
Format Journal Article Conference Proceeding
LanguageEnglish
Published Les Ulis EDP Sciences 01.01.2015
Subjects
Blinking
blinking fluorescence
Dark adaptation
Dielectrics
Fluorescence
Intervals
Nanoparticles
Organic chemistry
Quantum dots
Semiconductors
statistics
thresholding effects
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ISSN2100-014X
2101-6275
2100-014X
DOI10.1051/epjconf/201510305006

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Summary:Quantum dots (QDs) are semiconductor nanocrystals with fluorescent properties depending on their composition, size, shape, etc. Many types of QDs manifest so-called blinking fluorescence, also typical for the majority of single quantum emitters (organic molecules, dielectric nanoparticles, etc.) [1,2]. Blinking of QDs is observed during cw-laser excitation: intervals of various intensities alternate in QD fluorescence. These are "dark" and "light" intervals. Various theories and hypotheses on the nature of QD dark states pursue to explain the subject [3].
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ISSN:2100-014X
2101-6275
2100-014X
DOI:10.1051/epjconf/201510305006