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Method to synthesize nanoparticle supercrystals

United States Patent

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March 16, 2021
View the Complete Patent at the US Patent & Trademark Office
Gold Nanoparticle Supercrystal Chemical Sensors
Highly ordered arrays of 3D faceted nanoparticle supercrystals are formed by self-assembly with controlled nanoparticle packing and unique facet dependent optical property by using a binary solvent diffusion method. The binary diffusion results in supercrystals whose size and quality are determined by initial nanoparticle concentration and diffusion speed. The supercrystal solids display unique facet-dependent surface plasmonic and surface-enhanced Raman characteristics. The supercrystals have potential applications in areas such as optics, electronics, and sensor platforms.
16/ 247,747
January 15, 2019
C01B 19/00 (20060101)C01G 21/21 (20060101)B22F 9/16 (20060101)C01G 49/08 (20060101)
STATEMENT OF GOVERNMENT INTEREST This invention was made with Government support under Contract No. DE-NA0003525 awarded by the United States Department of Energy/National Nuclear Security Administration. The Government has certain rights in the invention.