Abstract
A method was proposed for producing ZnS semiconductor nanoparticles: “quantum dots” in an ionic liquid medium, N-decylpyridinium tetrafluoroborate. The average nanoparticle sizes were determined by UV spectroscopy, dynamic light scattering, and probe microscopy. It is shown that a high threshold concentration of nanoparticles is reached in the ionic liquid medium, an increase in the concentration of precursors in the reaction mixture leads to an increase in the average size of nanoparticles. Ultrasonic treatment helps to reduce the polydispersity of sols and results in the formation of stable sols with a higher concentration of nanoparticles.
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