Gold substrates of controlled roughness and electrokinetic properties formed by nanoparticle deposition.The kinetics of positively charged gold nanoparticle self-assembly on oxidized silicon substrates (wafers) under diffusion-controlled transport was studied using scanning electron microscopy (SEM) and atomic force microscopy (AFM). 
SEM
Gold substrates of controlled roughness and electrokinetic properties formed by nanoparticle deposition.The kinetics of positively charged gold nanoparticle self-assembly on oxidized silicon substrates (wafers) under diffusion-controlled transport was studied using scanning electron microscopy (SEM) and atomic force microscopy (AFM). 
AFM