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Diameter-dependent bending dynamics of single-walled carbon nanotubes in liquids

hal.structure.identifierDepartment of Chemical and Biomolecular Engineering
hal.structure.identifierCenter for Biological and Environmental Nanotechnology
dc.contributor.authorFAKHRI, Nikta
hal.structure.identifierThe Smalley Institute for Nanoscale Science and Technology
hal.structure.identifierDepartment of Chemistry
dc.contributor.authorTSYBOULSKI, Dmitri A.
hal.structure.identifierDepartment of Chemistry
hal.structure.identifierCentre de physique moléculaire optique et hertzienne [CPMOH]
dc.contributor.authorCOGNET, Laurent
hal.structure.identifierThe Smalley Institute for Nanoscale Science and Technology
hal.structure.identifierDepartment of Chemistry
hal.structure.identifierNanoCarbon Center
dc.contributor.authorWEISMAN, R. Bruce
hal.structure.identifierDepartment of Chemical and Biomolecular Engineering
hal.structure.identifierCenter for Biological and Environmental Nanotechnology
hal.structure.identifierThe Smalley Institute for Nanoscale Science and Technology
hal.structure.identifierDepartment of Chemistry
hal.structure.identifierNanoCarbon Center
dc.contributor.authorPASQUALI, Matteo
dc.date.created2009-04-15
dc.date.issued2009-08-25
dc.identifier.issn0027-8424
dc.description.abstractEnBy relating nanotechnology to soft condensed matter, understanding the mechanics and dynamics of single-walled carbon nanotubes (SWCNTs) in fluids is crucial for both fundamental and applied science. Here, we study the Brownian bending dynamics of individual chirality-assigned SWCNTs in water by fluorescence microscopy. The bending stiffness scales as the cube of the nanotube diameter and the shape relaxation times agree with the semiflexible chain model. This suggests that SWCNTs may be the archetypal semiflexible filaments, highly suited to act as nanoprobes in complex fluids or biological systems.
dc.language.isoen
dc.publisherNational Academy of Sciences
dc.subject.enactin
dc.subject.enmicrorheology
dc.subject.ensemiflexible filaments and polymers
dc.subject.enstochastic dynamics
dc.subject.ennanomechanics
dc.title.enDiameter-dependent bending dynamics of single-walled carbon nanotubes in liquids
dc.typeArticle de revue
dc.identifier.doi10.1073/pnas.0904148106
bordeaux.journalProceedings of the National Academy of Sciences of the United States of America
bordeaux.page14219-223
bordeaux.volume106
bordeaux.issue34
bordeaux.peerReviewedoui
hal.identifierhal-00670287
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00670287v1
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