Fig. 2. Identification of impurities and crystal structures of CsPbBr₃ QDs depending on the washing solvents (spectra shown from the top down are in the increasing order of polarity indices of washing solvents, marked in parentheses): (a) NMR, (b) FT-IR spectroscopy, and (c) XRD.

Applied Science and Convergence Technology 2024;33:62~66 https://doi.org/10.5757/ASCT.2024.33.3.62

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