Figure 5

Energy band diagram of doped-Si reservoir/SiO2/Ge-QD/SiO2/doped-Si reservoir (a) in the darkness and under illumination at (b) 1310–1550 nm, (c) 405–850 nm.
Energy band diagram of doped-Si reservoir/SiO2/Ge-QD/SiO2/doped-Si reservoir (a) in the darkness and under illumination at (b) 1310–1550 nm, (c) 405–850 nm.