Method of semiconductor nanocrystal synthesis

摘要

A method is described for the manufacture of semiconductor nanoparticles. Improved yields are obtained by use of a reducing agent or oxygen reaction promoter.

主权项

1. A method of producing nanoparticles comprising:
(a) mixing a first precursor, at least one ligand, and at least one coordinating solvent to form a first mixture; (b) adding to the first mixture a chemical reducing agent selected from primary and secondary phosphines, wherein the chemical reducing agent, the at least one ligand, and the at least one coordinating solvent are different; (c) heating the first mixture to a temperature that is sufficiently high to form nanoparticles when a second precursor is added; (d) introducing a second precursor into the first mixture to form a second mixture thereby resulting in the formation of a plurality of nanoparticles; and (e) cooling the second mixture to stop further growth of the nanoparticles.