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Manipulation of fluids in three-dimensional porous photonic structures with patterned surface properties

United States Patent

March 8, 2016
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A three-dimensional porous photonic structure, whose internal pore surfaces can be provided with desired surface properties in a spatially selective manner with arbitrary patterns, and methods for making the same are described. When exposed to a fluid (e.g., via immersion or wicking), the fluid can selectively penetrate the regions of the structure with compatible surface properties. Broad applications, for example in security, encryption and document authentication, as well as in areas such as simple microfluidics and diagnostics, are anticipated.
Aizenberg; Joanna (Boston, MA), Burgess; Ian B. (Toronto, CA), Mishchenko; Lidiya (Cambridge, MA), Hatton; Benjamin (Toronto, CA), Loncar; Marko (Cambridge, MA)
President and Fellows of Harvard College (Cambridge, MA)
13/ 990,324
November 21, 2011
GOVERNMENT SUPPORT This work was supported by the United States government under the following grants: Air Force Office of Scientific Research Award FA9550-09-1-0669-DOD35CAP and Department of Energy Award DE-AC05-06OR23100. The government agency has certain rights in this invention.