Methods of nanostructure formation and shape selection
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United States of America Patent
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Sep 8, 2009
Grant Date -
Mar 17, 2005
app pub date -
Dec 9, 2003
filing date -
Dec 9, 2002
priority date (Note) -
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Abstract
Methods for forming nanostructures of various shapes are disclosed. Nanocubes, nanowires, nanopyramids and multiply twinned particles of silver may by formed by combining a solution of silver nitrate in ethylene glycol with a solution of poly(vinyl pyrrolidone) in ethylene glycol. Hollow nanostructures may be formed by reacting a solution of solid nanostructures comprising one of a first metal and a first metal alloy with a metal salt that can be reduced by the first metal or first metal alloy. Nanostructures comprising a core with at least one nanoshell may be formed by plating a nanostructure and reacting the plating with a metal salt.
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