Laminating Fabrication of Bifacial Organic-Inorganic Perovskite Solar Cells

Figure 4

Surface topography of the perovskite layer and the merging of the intermediate perovskite layers during the lamination process: (a) AFM surface topography of the perovskite layer on the SnO₂ substrate; (b) AFM surface topography of the perovskite layer on the NiO substrate; (c) schematics showing the perovskite films before lamination with pressure and heating; (d) schematics showing the middle perovskite layers merging together after lamination.

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(b)

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