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Method for forming a nano-textured substrate

United States Patent

April 7, 2015
View the Complete Patent at the US Patent & Trademark Office
A method for forming a nano-textured surface on a substrate is disclosed. An illustrative embodiment of the present invention comprises dispensing of a nanoparticle ink of nanoparticles and solvent onto the surface of a substrate, distributing the ink to form substantially uniform, liquid nascent layer of the ink, and enabling the solvent to evaporate from the nanoparticle ink thereby inducing the nanoparticles to assemble into an texture layer. Methods in accordance with the present invention enable rapid formation of large-area substrates having a nano-textured surface. Embodiments of the present invention are well suited for texturing substrates using high-speed, large scale, roll-to-roll coating equipment, such as that used in office product, film coating, and flexible packaging applications. Further, embodiments of the present invention are well suited for use with rigid or flexible substrates.
Jeong; Sangmoo (Stanford, CA), Hu; Liangbing (Mountain View, CA), Cui; Yi (Stanford, CA)
The Board of Trustees of the Leland Stanford Junior University (Palo Alto, CA)
13/ 078,782
April 1, 2011
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH This invention was made with Government support under DE-FG36-08GOI8004 awarded by The United States Department of Energy. The Government has certain rights in the invention.