Abstract
Single-phase nanocrystalline PbS powders have been synthesized from aqueous solutions of lead nitrate and lead acetate, using sodium sulfide as a sulfur source and sodium citrate or Trilon B as a complexing agent. The average particle size of the lead sulfide in the synthesized nanopowders depends on the nature of the complexing agent and its concentration. Our results demonstrate the possibility of controlled precipitation of PbS nanoparticles with a preset size in the range from 5–6 to 100 nm.
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