Figure 4
From: Triple-Junction Hybrid Tandem Solar Cells with Amorphous Silicon and Polymer-Fullerene Blends

Simulated spectral response of TJ tandem cell with active layer thicknesses of 70 nm, 350 nm and 110 nm.
(a) Fractional spectral distribution and (b) absorption profiles as functions of wavelength. Dashed lines in (a) and (b) indicate interfacial layers at their adjacent active layers.