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Methods for preparation of concentrated graphene ink compositions and related composite materials

United States Patent

9,902,866
February 27, 2018
View the Complete Patent at the US Patent & Trademark Office
A rapid, scalable methodology for graphene dispersion and concentration with a polymer-organic solvent medium, as can be utilized without centrifugation, to enhance graphene concentration.
Hersam; Mark C. (Wilmette, IL), Liang; Yu Teng (Chicago, IL), Secor; Ethan B. (Evanston, IL), Prabhumirashi; Pradyumna L. (Chicago, IL), Puntambekar; Kanan P. (Chicago, IL), Geier; Michael L. (Chicago, IL), Ahn; Bok Y. (Cambridge, MA), Lewis; Jennifer A. (Cambridge, MA)
Northwestern University (Evanston, IL), President and Fellows of Harvard College (Cambridge, MA)
14/ 756,304
20170081537
August 24, 2015
This invention was made with government support under DE-FG02-03ER15457 awarded by the Department of Energy, N00014-11-1-0690 awarded by the Office of Naval Research and DMR-1121262 awarded by the National Science Foundation. The government has certain rights in the invention.