Fig. 6: Cross-groove light-trapping scheme and light-trapping performance.
From: Improved silicon solar cells by tuning angular response to solar trajectory
a Cross-groove light-trapping32, skewing light from escape cones. b Unit circle projection of general-purpose cross-groove design (49o groove wall angle). c Limiting efficiency for near-perpendicular light for the specific design of Fig.6b (line labelled 30.1), also showing approximate boundaries for different applications.
