Antimicrobial articles with a surface containing copper, silver, and/or gold nanostructures, and methods of making

Abstract

An antimicrobial article and methods of making, the antimicrobial article comprising a substrate comprising a first major surface and a second major surface; an optional adhesion layer disposed on the first major surface of the substrate; discontinuous islands comprising copper, silver, gold, or any combination thereof disposed on the first major surface of the substrate, the optional adhesion layer if present, or both; and a dielectric layer disposed between and at least partially covering the discontinuous islands; wherein the discontinuous islands and the dielectric layer together form an outer antimicrobial surface.

Dependencies are inferred from the claim text.