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The applicability of dynamic light scattering to determination of nanoparticle dimensions in sols

Abstract

It is shown that the use of the dynamic light scattering (DLS) method for determining nanoparticle dimensions in sols containing mixtures of particles with various sizes may lead to incorrect results, since the distribution of small particle sizes can remain unrecognized. The conditions and threshold of this phenomenon are established. It is indicated that the measurement of nanoparticle dimensions by DLS in these cases must be supplemented by auxiliary optical measurements.

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Correspondence to A. V. Shvidchenko.

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Original Russian Text © A.E. Aleksenskii, A.V. Shvidchenko, E.D. Eidel’man, 2012, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2012, Vol. 38, No. 23, pp. 1–10.

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Aleksenskii, A.E., Shvidchenko, A.V. & Eidel’man, E.D. The applicability of dynamic light scattering to determination of nanoparticle dimensions in sols. Tech. Phys. Lett. 38, 1049–1052 (2012). https://doi.org/10.1134/S1063785012120024

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  • DOI: https://doi.org/10.1134/S1063785012120024

Keywords

  • Electron Paramagnetic Resonance
  • Dynamic Light Scattering
  • Dynamic Light Scattering
  • Technical Physic Letter
  • Scattered Light Intensity