Fig. 6
From: Interfacial modification in perovskite-based tandem solar cells
a AM1.5G-weighted (700–1000 nm) reflectance with various pyramid height. The inset shows the reflectance spectra. b J–V characteristics of the PDMS/Planarized TSCs depending on the scan direction. Reproduced with permission [77]. Copyright 2020, Elsevier. c Schematic illustration and SEM image of the 2-T perovskite/CIGS TSC. Reproduced with permission [12]. Copyright 2018, American Association for the Advancement of Science. d A schematic illustration and photos of CZTSSe bottom cells before and after ion-milling of ITO layers. Reproduced with permission [11]. Copyright 2022, John Wiley and Sons. e External quantum efficiency (EQE) and 1–R (reflectance) spectra of the TSCs with and without LM foil. Reproduced with permission [78]. Copyright 2018, The Royal Society of Chemistry. f Contour map of the theoretically calculated JSC of the perovskite top cell depending on the thickness of the ITO and C60 layers. Reproduced with permission [25]. Copyright 2021, Wiley-VCH.