The present invention relates to a method for producing a colloidal suspension of nanoparticles, said method comprising the steps of providing a solid target submerged in a liquid media being a coating forming material, submitted said solid target to pulsed Laser irradiation, and to a method for producing hybrid coating on a substrate comprising the steps of generating a plasma, introducing into the plasma a colloidal suspension of nanoparticles and exposing at least a part of a surface of the substrate to the plasma comprising the colloidal suspension of nanoparticles.