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Fig. 5. (a–c) Surface and cross-sectional SEM images of perovskite films fabricated in ambient air with various additives (MACl, pyridine, and NH4Cl). (d) Histogram of quantitative grain size from surface SEM image.
Applied Science and Convergence Technology 2024;33:126~129 https://doi.org/10.5757/ASCT.2024.33.5.126
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