Metal nanoparticles having improved optical properties, process for their preparation and their use

摘要

With the present invention if metallic nanoparticles having improved optical properties and a process for their production are provided, with which the possibilities can be extended significantly.According to the invention, the metal nanoparticles having improved optical properties of nanoporous, wherein they have a particle size in the range of some hundred nanometers, a pore size in the range from about tens of nanometers and an ultra high surface - to - - ratio of volume have.