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Self-assembly of water-soluble nanocrystals

United States Patent

January 10, 2012
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
A method for forming an ordered array of nanocrystals where a hydrophobic precursor solution with a hydrophobic core material in an organic solvent is added to a solution of a surfactant in water, followed by removal of a least a portion of the organic solvent to form a micellar solution of nanocrystals. A precursor co-assembling material, generally water-soluble, that can co-assemble with individual micelles formed in the micellar solution of nanocrystals can be added to this micellar solution under specified reaction conditions (for example, pH conditions) to form an ordered-array mesophase material. For example, basic conditions are used to precipitate an ordered nanocrystal/silica array material in bulk form and acidic conditions are used to form an ordered nanocrystal/silica array material as a thin film.
Fan; Hongyou (Albuquerque, NM), Brinker; C. Jeffrey (Albuquerque, NM), Lopez; Gabriel P. (Albuquerque, NM)
Sandia Corporation (Albuquerque, NM)
12/ 038,037
February 27, 2008
This invention was made with Government support under Contract No. DE-AC04-94AL85000 awarded by the Department of Energy and Contract No. CTS-9624841 through the National Science Foundation. The Government has certain rights in the invention.