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Length Measurement of Single-Walled Carbon Nanotubes from Translational Diffusion and Intensity Fluctuations

hal.structure.identifierLaboratoire Photonique, Numérique et Nanosciences [LP2N]
dc.contributor.authorLEE, Antony
hal.structure.identifierLaboratoire Photonique, Numérique et Nanosciences [LP2N]
dc.contributor.authorCOGNET, Laurent
dc.date.accessioned2023-05-12T10:40:36Z
dc.date.available2023-05-12T10:40:36Z
dc.date.issued2020-12-09
dc.identifier.issn0021-8979
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/181606
dc.description.abstractEnA new approach is presented to measure the length distribution of dispersed single-walled carbon nanotubes (SWCNT). In this method, the diffusive trajectories of individual SWCNTs in solution are reconstructed from high-frame rate video stacks. These trajectories allow the estimation of two key statistics for the SWCNTs: their translational diffusion coefficient, and the autocorrelation time of their fluorescence intensity. We show that the autocorrelation time is a measure of the rotational diffusion coefficient of the SWCNTs, and that the length of the SWCNTs can be estimated either from the rotational diffusion coefficients alone, or by combining translational and rotational diffusion coefficients. Moreover, this last estimate does not require knowledge of the solution viscosity or of the SWCNT hydrodynamic diameter.
dc.language.isoen
dc.publisherAmerican Institute of Physics
dc.title.enLength Measurement of Single-Walled Carbon Nanotubes from Translational Diffusion and Intensity Fluctuations
dc.typeArticle de revue
dc.identifier.doi10.1063/5.0031194
dc.subject.halPhysique [physics]/Physique [physics]/Biophysique [physics.bio-ph]
dc.subject.halPhysique [physics]/Matière Condensée [cond-mat]/Science des matériaux [cond-mat.mtrl-sci]
bordeaux.journalJournal of Applied Physics
bordeaux.page224301
bordeaux.volume128
bordeaux.hal.laboratoriesLaboratoire Photonique, Numérique et Nanosciences (LP2N) - UMR 5298*
bordeaux.issue22
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
hal.identifierhal-02951667
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02951667v1
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