Light-emitting nanoparticles and method of making same
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United States of America Patent
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Jan 25, 2005
Grant Date -
Jan 2, 2003
app pub date -
Mar 28, 2002
filing date -
Jul 2, 2001
priority date (Note) -
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Abstract
A method for the production of a robust, chemically stable, crystalline, passivated nanoparticle and composition containing the same, that emit light with high efficiencies and size-tunable and excitation energy tunable color. The methods include the thermal degradation of a precursor molecule in the presence of a capping agent at high temperature and elevated pressure. A particular composition prepared by the methods is a passivated silicon nanoparticle composition displaying discrete optical transitions.
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