Abstract A new approach to the synthesis of lead sulfide colloidal quantum dots has been proposed, which uses a mixture of oleic acid and oleylamine. Colloidal quantum dots of PbS… Click to show full abstract
Abstract A new approach to the synthesis of lead sulfide colloidal quantum dots has been proposed, which uses a mixture of oleic acid and oleylamine. Colloidal quantum dots of PbS with a long-wavelength excitonic peak in the range from 1.7 to 2.05 μm have been obtained. The effects of temperature, reaction time, and the ratio of lead and sulfur precursors on the spectral characteristics of PbS quantum dots obtained have been studied.
               
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