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. 2022 Apr 1;13:1741. doi: 10.1038/s41467-022-29434-x

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© The Author(s) 2022, corrected publication 2022

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Fig. 3 — a Transfer characteristics of I-pristine and I/Br/Cl TFTs measured at different scan speeds. b I 3d_3/2 core level spectra of the I-pristine and I/Br/Cl perovskites. c Calculated relative interaction strengths of halide anions with V_I sites in MASnI₃ and MASn(I/Br)₃. d Illustration of the passivation effects of a V_I defect by a Cl anion.