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. 2020 Feb 21;5(8):4347–4351. doi: 10.1021/acsomega.9b04484

Table 1. B–I–B (B = Pb or Sn) Bond Angles of the Mixed MA1–xCsxPb0.25Sn0.75I3 Perovskites.

  B–I–B (B = Pb or Sn) bond angles (deg)
  in the ab plane along the c-axis
MAPbI3 150.0 176.0
MAPb0.25Sn0.75I3 155.3 175.7
MA0.75Cs0.25Pb0.25Sn0.75I3 155.7 176.3
MA0.50Cs0.50Pb0.25Sn0.75I3 158.5 172.2
MA0.25Cs0.75Pb0.25Sn0.75I3 159.6 171.8