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. 2024 Dec 13;9(51):50820–50829. doi: 10.1021/acsomega.4c09516

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© 2024 The Authors. Published by American Chemical Society

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Characterization of the perovskite films (MAPbI₃ is denoted as MAPI inside figure) deposited on mp TiO₂ and mp/1DL ETLs: (a, b) FESEM micrographs, (c) XRD patterns, (d) UV/vis absorption, and (e) PL spectra. (f, h) AFM topography images and (g, i) corresponding pcAFM photocurrent images of the perovskite layers deposited on mp TiO₂ and mp/1DL TiO₂ ETL_S, respectively. (j) Photocurrent line profiles across the perovskite layers.