Figure 2From: Periodically Aligned Si Nanopillar Arrays as Efficient Antireflection Layers for Solar Cell ApplicationsImages of PASiNP arrays on Si surface: a Low-magnification and b high-magnification top-view SEM images of PASiNP arrays; c Tilted view and d cross-sectional view SEM images of the PASiNP arrays; e TEM image and corresponding SAED pattern of a single SiNPBack to article page