PARTICLES CONTAINING ONE OR MORE MULTI-LAYERED DOTS ON THEIR SURFACE, THEIR USE, AND PRODUCTION OF SUCH PARTICLES

摘要

The present invention relates to a product comprising or consisting of an amount of particles having one or more multi-layered dots on their surface, each multi-layered dot consisting of two or more layers and having an innermost layer contacting the surface of the particle, and an outermost layer, wherein the innermost layer of the multi-layered dots consists of a first metal and the outermost layer of the multi-layered dots consists of a second metal, different from the first metal.