Accordingly, there are provided coated microcapsules including a microcapsule, said microcapsules including a polymeric shell and a liquid core material encapsulated therein and a metallic coating surrounding said microcapsules wherein the metallic coating includes particles of a first metal adsorbed on said polymeric shell and a film of a second metal formed thereon and wherein the metallic coating has a maximum thickness of 1000 nm and methods and formulations related thereto.
