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(a) Schematics of the ODASnBr4(EtOH) and ODASnBr4[alcohol] fabrication processes. (b) Powder XRD spectra and (c) SEM images of ODASnBr4(EtOH), ODASnBr4[BuOH], ODASnBr4[PeOH], and ODASnBr4[HeOH] perovskite microcrystals, (d) SEM image (left) and EDS elemental mapping images of ODASnBr4[HeOH] microcrystals for constituent elements N, O, Sn and Br (scale bar: 20 µm).
