Figure 1
From: Substantial influence on solar energy harnessing ability by geometries of ordered Si nanowire array
Schematic illustration of the fabrication of ordered Si nanopillars. (a) A close-packed monolayer of PS nanospheres on a clean Si substrate, (b) after RIE, (c) after Au deposition, (d) after the MACE, and (e) after the removal of the Au and the remained PS nanospheres.