Abstract
A study of sonochemically synthesized ZnS:Mn nanoparticles is presented. The particlesprepared at low rf power (about 20 W) and room temperature coalesce to formmorphologically amorphous large species (30–100 nm in diameter). As the power isincreased in the range from 20 to 70 W, and the solution temperature is raised to 60 to80 °C, finer particles are produced with the size ranging from 2 to 20 nmand improved crystallinity. The results indicate the dispersion of theMn2+ ions at near-surface sites in the particles. It is shown that the sonochemically fabricatedparticles approach the quality of the ones obtained by a standard chemical route and showa reasonable luminescence performance.
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