Figure 2: SEM images morphology of electroless Ag-nanoparticle deposited on a p-type Silicon Substrate with axial orientation of (111) from a HF/AgNO3 solution after a treatment (Ag deposition) times of, a) 60 seconds and b) 75 seconds. (c-d) Cu nanoparticles deposition on the same Si substrate with concentration and deposition time of 0.02 M and 60 seconds respectively with different magnification.