Figure 4
From: Light trapping and surface plasmon enhanced high-performance NIR photodetector
Theoretical simulation of graphene/SiNWs array structure.
Simulated electric field energy distribution for the graphene/SiNWs with average period and diameter of (a) 220 and 140 nm, (c) 240 and 160 nm, (e) 260 and 180 nm and (g) 280 and 200 nm; (b), (d), (f) and (h) show the magnified electric field energy distribution of one unit of graphene/SiNWs. The average value of the gap between two adjacent SiNWs is ~80 nm.
