Particulate materials Powders,nanoparticles,nanowires etc. Grinding (if necessary)and dispersion in solvent Drip on carbon coated grids Van der Waals cohesion Strong enough for nano- particles 8Particulate materials • Powders, nanoparticles, nanowires etc. • Grinding (if necessary) and dispersion in solvent • Drip on carbon coated grids • Van der Waals cohesion • Strong enough for nano￾particles 8