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(a) Absorption and corresponding PL spectra of CsPbBr3 platelets obtained with temperature variations. Reproduced from ref (41). Copyright 2015 American Chemical Society. (b) Absorption and corresponding PL spectra of CsPbBr3 platelets obtained with Cs(I) to Pb(II) concentration variations. Reproduced from ref (13). Copyright 2018 American Chemical Society.
