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Metal nanoparticle inks

United States Patent

7,922,939
April 12, 2011
View the Complete Patent at the US Patent & Trademark Office
Stabilized silver particles comprise particles comprising silver, a short-chain capping agent adsorbed on the particles, and a long-chain capping agent adsorbed on the particles. The short-chain capping agent is a first anionic polyelectrolyte having a molecular weight (Mw) of at most 10,000, and the long-chain capping agent is a second anionic polyelectrolyte having a molecular weight (Mw) of at least 25,000. The stabilized silver particles have a solid loading of metallic silver of at least 50 wt %.
Lewis; Jennifer A. (Urbana, IL), Ahn; Bok Yeop (Champaign, IL), Duoss; Eric B. (Urbana, IL)
The Board of Trustees of the University of Illinois (Urbana, IL)
12/ 245,389
20100084599
October 3, 2008
FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under DEFG-02-91 ER454339 awarded by the Department of Energy, and under DAAD19-03-1-0227 awarded by the Army Research Laboratory. The government has certain rights in the invention.