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Figure 2 | Nanoscale Research Letters

Figure 2

From: Efficient perovskite solar cells based on low-temperature solution-processed (CH3NH3)PbI3 perovskite/CuInS2 planar heterojunctions

Figure 2

The morphology, structures, and chemical composition of the as-prepared CuInS 2 . (a) Top view of the ITO/CuInS2(1) film; (b) the top-view SEM image of the ITO/CuInS2(2) film; (c) the cross-sectional images of the ITO/CuInS2(2), ITO/CuInS2(2)/Al2O3, and ITO/CuInS2(2)/Al2O3/(CH3NH3)PbI3/Ag films; and (d) the EDX spectrum of the ITO/CuInS2(2) film.

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