fig6
Figure 6. (A) Structure of Cs3(Bi1-xSbx)2(I1-xBrx)9. (B) XRD data of Cs3(Bi1-xSbx)2(I1-xBrx)9 with different x. (C) Confidence score on the dimensionality of perovskite. (D) Absorbance data of Cs3(Bi1-xSbx)2(I1-xBrx)9 with different x. (E) Bandgap “bowing” phenomenon is caused by the doping coefficient. Copyright from Elsevier[54]. (F) Heat map of 1929 perovskite structures and the prediction result of five test subsets. Copyright from Elsevier[55]. DFT: Density functional theory.