Table 1.
Composition | Eg,abs (eV) | Scan direction | Voc (V) | Jsc (mA cm−2) | FF (%) | PCE (%) | Stabilized PCE (%) |
---|---|---|---|---|---|---|---|
Cs0.2FA0.8Pb(I0.75Br0.25)3 | 1.67 | RV | 1.17 | 20.4 | 77.3 | 18.5 | 17.6 |
FW | 1.17 | 20.2 | 71.3 | 16.9 | |||
Cs0.05MA0.15FA0.8Pb(I0.75Br0.25)3 | 1.65 | RV | 1.22 | 21.2 | 80.5 | 20.8 | 20.7 |
FW | 1.22 | 21.3 | 79.9 | 20.7 | |||
Cs0.17FA0.83Pb(I0.6Br0.4)3 | 1.74 | RV | 1.22 | 18.7 | 75.6 | 17.2 | 16.7 |
FW | 1.21 | 18.4 | 70.5 | 15.7 | |||
Cs0.12MA0.05FA0.83Pb(I0.6Br0.4)3 | 1.74 | RV | 1.25 | 19.0 | 81.5 | 19.3 | 19.1 |
FW | 1.25 | 19.0 | 80.0 | 19.0 |
Eg,abs: absorption onset, RV: reverse scan, FW: forward scan