Analysis of cellulose nanocrystal rod lengths by dynamic light scattering and electron microscopy

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DOIResolve DOI: http://doi.org/10.1007/s11051-013-2174-4
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TypeArticle
Journal titleJournal of Nanoparticle Research
ISSN1388-0764
Volume16
Issue1
Article number2174
AbstractA method to characterize the length (L) of rod-like cellulose nanocrystal (CNC) particles is described. It is based on dynamic light scattering (DLS) and electron microscopy. Measurement of translational diffusion coefficient from DLS along with diameter measurements from electron microscopy is used in Broersma translational diffusion coefficient equation to calculate the CNC particle L. For wood based CNC rods, diameter of 15 nm measured by scanning electron microscopy (SEM) and translational diffusion coefficient of 5.21 × 10 -12 m2/s measured by DLS give particle L of 271 nm from Broersma's relation. This one and other calculated L values for various rod-like particles are in good agreement with the L of the particles measured either by transmission or SEM. © 2013 Springer Science+Business Media Dordrecht.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); National Institute for Nanotechnology (NINT-INNT)
Peer reviewedYes
NPARC number21270758
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Record identifierd698f9ce-6c7c-487e-9aa2-9f3a7bfe3ee8
Record created2014-02-17
Record modified2016-05-09
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