Semiconducting Nanocrystals Comprising a Metal Sulfide Shell and Methods for their Preparation

Methods for synthesizing a semiconductor nanocrystal are provided comprising providing a semiconductive core; providing a metal precursor solution comprising a metal acetate, a non-polar solvent, trioctylphosphine, and trioctylphosphine oxide; providing a sulfur precursor solution; admixing the semiconductive core, the metal precursor solution, and the sulfur precursor solution to form a reaction dispersion; and heating the reaction dispersion to a temperature sufficient to induce formation of a metal sulfide shell on the semiconductive core. Nanocrystals synthesized by these methods are also provided.

Attached files:
2010118279.jpg

Patents:
WO 2,010,118,279

Inventor(s): COLVIN VICKI L [US]; ZHU HUIGUANG [US]

Type of Offer: Licensing



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