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Measurement Techniques

, Volume 61, Issue 12, pp 1148–1152 | Cite as

Integral Estimation of Effects of Aggregation of Nanoparticles in Solutions from Autocorrelation Functions of Intensity of Scattered Radiation

  • A. D. LevinEmail author
  • M. K. Alenichev
  • E. B. Drozhzhennikova
  • E. S. Kostrikina
NANOMETROLOGY
  • 9 Downloads

A method of investigation of processes that arise in aggregation of nanoparticles in colloidal solutions based on estimation of variations in the coefficients of rotational diffusion of nanoparticles is proposed. It is shown that rotational diffusion is more sensitive to variations in the dimensions of the particles than is translational diffusion. A comparative estimation of these types of variations is presented and the relative index of aggregation is calculated from the integral values of the autocorrelation function of depolarized dynamic light scattering. Results of numerical simulation of the proposed method and its experimental certification are compared.

Keywords

aggregation of nanoparticles dynamic light scattering rotational diffusion autocorrelation functions optical nanosensors 

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • A. D. Levin
    • 1
    Email author
  • M. K. Alenichev
    • 1
  • E. B. Drozhzhennikova
    • 1
  • E. S. Kostrikina
    • 2
  1. 1.All-Russia Research Institute of Optophysical Measurements (VNIIOFI)MoscowRussia
  2. 2.Xema CompanyMoscowRussia

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