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Speckle-visibility spectroscopy of depolarized dynamic light scattering

  • Bossert, David Adolphe Merkle Institute, University of Fribourg, Switzerland
  • Natterodt, Jens Adolphe Merkle Institute, University of Fribourg, Switzerland
  • Urban, Dominic A. Adolphe Merkle Institute, University of Fribourg, Switzerland
  • Weder, Christoph Adolphe Merkle Institute, University of Fribourg, Switzerland
  • Petri-Fink, Alke Adolphe Merkle Institute, University of Fribourg, Switzerland - Chemistry Department, University of Fribourg, Switzerland
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    24.08.2017
Published in:
  • The Journal of Physical Chemistry B. - 2017, vol. 121, no. 33, p. 7999–8007
English We show that the statistical analysis of photon counts in depolarized dynamic light scattering experiments allows for the accurate characterization of the rotational Brownian dynamics of particles. Unlike photon correlation spectroscopy, the technique is accurate even at low temporal resolution and enables discontinuous data acquisition, which offers several advantages. To demonstrate the usefulness of the method, we present a case study in which we analyze aqueous suspensions of tunicate cellulose nanocrystals and silica particles, and discuss aspects that are specific to particle sizing.
Faculty
Faculté des sciences et de médecine
Department
Département de Chimie
Language
  • English
Classification
Chemistry
License
License undefined
Identifiers
Persistent URL
https://folia.unifr.ch/unifr/documents/306161
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