Fig. 6: The structure sketch and performance of tandem solar cells.
From: Highly passivated TOPCon bottom cells for perovskite/silicon tandem solar cells
a Sketch structure (left) and cross-sectional SEM images (right) of the target tandem device. The scale bars are 500 nm. b J–V curves and (c) EQE spectra of the two related TSCs. d MPP tracking stability of TSCs with the control and target TOPCon bottom cells.
