Figure 3
From: Triple-Junction Hybrid Tandem Solar Cells with Amorphous Silicon and Polymer-Fullerene Blends

Photovoltaic performance and spectral response of the TJ tandem cell with active layer thicknesses of 70 nm, 350 nm and 110 nm for the front, middle and rear cell, respectively.
(a) Illuminated J–V characteristics and (b) measured EQEs.