Abstract
At present, metal and polymer nanoparticles are widely used in industry and scientific research. Important characteristics of liquid dispersions of nanoparticles are the size and concentration of particles. There are optical methods that make it possible to rapidly measure the parameters of nanoparticles in a liquid media, but they usually allow only spherical particles to be analyzed. To solve the problem of controlling the characteristics of non-spherical particles, samples of colloidal gold nanorods were studied by nanoparticle tracking analysis. The results showed the possibility of estimating the concentration of particles in the sample, as well as drawing conclusions about the monodispersity of the samples and the presence of large aggregates in them.
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