Fig. 4From: Surface Nanostructures Formed by Phase Separation of Metal Salt–Polymer Nanocomposite Film for Anti-reflection and Super-hydrophobic ApplicationsSEM images of silicon nanopillars formed upon RIE using our process with aluminum nitrate nonahydrate: polymer. Ratio of aluminum metal salt: PMMA is a 1:10, b 2:10, c 3:10, and d 5:10Back to article page