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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May 30, 2017
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Aug 21, 2013
filing date -
Aug 21, 2013
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Abstract
Semiconductor nanocrystal structures having silica insulator coatings encapsulating the nanocrystals and methods of fabricating semiconductor nanocrystal structures having silica insulator coatings encapsulating the nanocrystals involve adding a silicon-containing silica precursor species to a solution of nanocrystals, subsequently forming a silica-based insulator layer on the nanocrystals from a reaction involving the silicon-containing silica precursor species, and adding additional amounts of the silicon-containing silica precursor species after initial formation 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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