Quantum dots having a nanocrystalline core, a nanocrystalline shell surrounding the core, and an insulator coating for the shell
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United States of America Patent
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Sep 1, 2020
Grant Date -
Aug 3, 2017
app pub date -
Apr 14, 2017
filing date -
Aug 21, 2013
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Abstract
Semiconductor structures having insulators coatings and methods of fabricating semiconductor structures having insulators coatings are described. In an example, a method of coating a semiconductor structure involves adding a silicon-containing silica precursor species to a solution of nanocrystals. The method also involves, subsequently, forming a silica-based insulator layer on the nanocrystals from a reaction involving the silicon-containing silica precursor species. The method also involves adding additional amounts of the silicon-containing silica precursor species after initial forming of the silica-based insulator layer while continuing to form the silica-based insulator layer to finally encapsulate each of the nanocrystals.
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