FIELD: medicine.
SUBSTANCE: invention can be used in medicine, photonics, heterogeneous catalysis. Silver sulphide nanoparticles have ligand shell, consisting of citrate groups. Shell thickness varies from 1 to 10 nm. Method of producing said silver nanoparticles involves obtaining initial solution of silver nitrate and sodium sulphide in ratio (0.5-3.5):(0.9-1.1). 0.01-10 % solution of sodium citrate is added to initial solution in amount of 1-50 % of total volume. Then it is held during from 0.1 to 50 hours at 20-35 °C.
EFFECT: invention enables to obtain in one stage semiconductor isolated silver sulphide nanoparticles of nucleus-shell type, using only safe and ecologically pure substances.
2 cl, 3 dwg, 6 ex
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