Fig. 4: Solar cell characteristics of nanotextured PSTSCs.
From: Nano-optical designs for high-efficiency monolithic perovskite–silicon tandem solar cells

a, Representative current-density/voltage (J–V) characteristics of planar and nanotextured PSTSCs. b, Box plot of the open-circuit voltage for planar and nanotextured PSTSCs with a perovskite bandgap energy of 1.68 eV. c, Pseudo-J–V characteristics of planar and textured PSTSCs showing the individual crystalline silicon and perovskite subcells via subcell-selective EL measurements. Inset: EL spectra at Jinj = JSC.