Zinc sulfide is an important material for the synthesis of semiconductor nanomaterials due to its wide bandgap and low toxicity. Zinc sulfide is often synthesized at high temperatures, but the use of single-source precursors for its synthesis grants enhanced control over the precursor structure, and thus allows for the possibility of lower temperature syntheses to occur. However, single-source precursor properties greatly influence the conversion to zinc sulfide, even at low temperatures. To better understand this, we studied several precursor properties including the number of substituents, solubility, and concentration of single-source precursors to determine how these modifications affect zinc sulfide nanocrystal synthesis. To ensure reproducible syntheses, we also identified a number of minor impurities that occur in our syntheses and explored several methods of purification.

Controlled zinc sulfide nanocrystal synthesis through studies of single-source precursors

ACS Spring 2022

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