Figure 4
From: The thickness-induced magneto-transport and optic properties enhancement in Sb2Te3 flakes
The photocurrent as a function of time in flakes with different thicknesses. The photocurrent is larger in the thicker flake. The inset shows the responsivity as a function of light power intensity in flakes with different thickness. The responsivity is independent of the power intensity. The responsivity is larger in the thicker flake.
