Research Article

Deposition of Gold Nanoparticles via Galvanic Replacement in DMSO and Their Influence on Formation of Silicon Nanostructures

Figure 4

Top-view (a) and cross section (b) SEM images of Si nanowires arrays formed after the 15 min HF-H2O2-H2O etching of Si substrate covered with AuNPs deposited from a solution of 4 mM H[AuCl4] at 50°C.
(a)
(b)