Fig. 4: The device characterization of fully textured perovskite/SHJ tandems.
From: Solvent engineering for scalable fabrication of perovskite/silicon tandem solar cells in air
a Schematic diagram of perovskite/SHJ tandem solar cell. b Cross-sectional SEM images of perovskite/SHJ (average pyramid size is 2–3 μm) tandem for nBA devices. c J–V curves of the tandem device (1.044 cm2 aperture area); the digital photo of a device is shown in the inset. d MPP tracking of the tandems; PCE distributions of 16 individual tandem devices for each type is shown in the inset. e EQE spectra of a current-matched fully textured monolithic perovskite/SHJ tandem cell. f J–V curves of the tandem device (16 cm2 aperture area); the digital photo of a device is shown in the inset.
