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Fig. 2.
Fig. 2. Optical characterization of annealed perovskite films prepared on substrates preheated at 70 °C with different antisolvent ATPs. (a) UV-Vis absorption spectra, (b) PL spectra, and (c) TRPL decay curves and fitting parameters (inset). For comparison, the absorption, PL, and TRPL spectra of perovskite films grown on unpreheated substrates (as-grown) are also displayed.
Applied Science and Convergence Technology 2023;32:110~113
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