| 摘要 |
A process for preparing a capped metal sulfide, selenide or telluride nanoparticle containing one or a mixture of metals; which process comprises contacting, in an inert organic solvent and in the presence of a polar Lewis base capping ligand, a source of the metal(s) and a source of sulfur, selenium or tellurium, wherein the capping ligand and the source of the metal(s) are soluble in said inert organic solvent. Trialkylphosphine oxide capped mercury sulfide, selenide or telluride nanoparticles may be produced by the process of the invention and are useful as amplifiers in optical cables.
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