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Fig. 3 | Nanoscale Research Letters

Fig. 3

From: A Short Progress Report on High-Efficiency Perovskite Solar Cells

Fig. 3

PbI2 complex formation and X-ray diffraction. a Schematics of FAPbI3 perovskite crystallization involving the direct intramolecular exchange of DMSO molecules intercalated in PbI2 with formamidinium iodide (FAI). The DMSO molecules are intercalated between edge-sharing [PbI6] octahedral layers. b Histogram of solar cell efficiencies for each 66 FAPbI3-based cells fabricated by IEP and conventional process [26]

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