The applicability of dynamic light scattering to determination of nanoparticle dimensions in sols |
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| Authors: | A E Aleksenskii A V Shvidchenko E D Eidel’man |
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| Affiliation: | 1. Ioffe Physical Technical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia
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| 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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