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Proceedings Paper

Nonspherical nanoparticles characterization by partially depolarized dynamic light scattering
Author(s): Alexander D. Levin; Ekaterina A. Shmytkova
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Paper Abstract

The realization of improved depolarized dynamic light scattering method is presented. This technique supports measurement of non-spherical nanoparticals dimensions in liquids. The relations between translational and rotational diffusion coefficients and autocorrelation function of scattered light with polarized and depolarized components in various proportions are derived. Thus measurement of very weak cross-polarized component can be avoided. This improvement permits to reduce measurement time, to improve signal to noise ratio and results precision. The technique was applied for sizing of gold nanorods and multiwalled carbon nanotubes in liquids.

Paper Details

Date Published: 21 June 2015
PDF: 8 pages
Proc. SPIE 9526, Modeling Aspects in Optical Metrology V, 95260P (21 June 2015); doi: 10.1117/12.2184867
Show Author Affiliations
Alexander D. Levin, All-Russian Research Institute for Optical and Physical Measurement (Russian Federation)
Ekaterina A. Shmytkova, All-Russian Research Institute for Optical and Physical Measurement (Russian Federation)


Published in SPIE Proceedings Vol. 9526:
Modeling Aspects in Optical Metrology V
Bernd Bodermann; Karsten Frenner; Richard M. Silver, Editor(s)

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