Figure 2From: 3D simulation of morphological effect on reflectance of Si3N4 sub-wavelength structures for silicon solar cellsPlot of the difference of reflectance spectrum of Si 3 N 4 SWS with the cylinder-, the right circular cone-, and the square pyramid-shaped structures as well as two different periodical configurations: 1 × 1 (solid line) and 2 × 2 arrays (dashed line) in the 3D FEM simulation.Back to article page