Table 1 Photovoltaic parameters for bifacial tandems with various bandgaps of wide-bandgap perovskite and monofacial tandem with bandgap of 1.77 eV, tested without and with 30 mW cm−2 rear irradiance (RI)
From: Revealing the output power potential of bifacial monolithic all-perovskite tandem solar cells
Bandgap (eV) | Rear irradiance (mW cm−2) | OPD mW cm−2 | JSC (mA cm−2) | VOC (V) | FF (%) |
|---|---|---|---|---|---|
1.77-Mono | 0 | 24.36 (23.72 ± 0.33) | 16.02 (15.85 ± 0.12) | 2.005 (1.984 ± 009) | 75.82 (75.46 ± 0.43) |
1.77 | 0 | 23.34 (22.35 ± 0.78) | 15.13 (14.67 ± 0.38) | 1.997 (1.980 ± 0.009) | 77.29 (76.90 ± 1.02) |
30 | 25.25 (24.60 ± 0.55) | 16.21 (15.76 ± 0.25) | 1.991 (1.993 ± 0.017) | 78.24 (78.29 ± 0.83) | |
1.73 | 0 | 21.00 (19.83 ± 0.77) | 13.75 (12.99 ± 0.47) | 1.924 (1.920 ± 0.014) | 79.35 (79.51 ± 0.58) |
30 | 27.41 (26.50 ± 0.52) | 18.00 (17.53 ± 0.31) | 1.937 (1.940 ± 0.008) | 78.65 (77.91 ± 0.71) | |
1.68 | 0 | 19.29 (18.40 ± 0.79) | 12.61 (12.23 ± 0.39) | 1.926 (1.906 ± 0.021) | 79.39 (78.90 ± 0.74) |
30 | 28.51 (27.60 ± 0.78) | 18.83 (18.48 ± 0.40) | 1.938 (1.941 ± 0.011) | 78.13 (76.96 ± 0.84) | |
1.62 | 0 | 17.03 (16.20 ± 0.51) | 11.58 (11.20 ± 0.33) | 1.835 (1.826 ± 0.011) | 80.15 (79.25 ± 0.71) |
30 | 26.36 (25.09 ± 0.90) | 19.24 (18.71 ± 0.38) | 1.822 (1.834 ± 0.026) | 75.19 (73.11 ± 1.52) | |
1.60 | 0 | 15.91 (15.26 ± 0.53) | 10.95 (10.49 ± 0.29) | 1.840 (1.830 ± 0.009) | 78.95 (79.48 ± 0.98) |
30 | 26.71 (26.02 ± 0.55) | 18.85 (18.55 ± 0.24) | 1.852 (1.857 ± 0.011) | 76.52 (75.53 ± 0.97) |