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Table 2

Cell parameters. Open circuit parallel resistance (Rp), series resistance (Rs), voltage (Voc), current density (Jsc), fill factor (FF), and efficiency (η).

Avg. Avg. Avg. Avg. Avg. Avg. Best
Batches Rp Rs Voc Jsc FF η η
(Ω m2) (Ω cm2) (mV) (mA/cm2) (%) (%) (%)

Gra. A 1.53 1.52 426 21.3 56.7 5.18 6.79
Gra. B 1.97 1.06 469 234 66.5 7.33 7.81
Gra. C 2.47 1.05 499 262 67.7 8.86 10.2
Waf. A 1.08 2.22 450 255 49.0 5.74 7.68
Waf. B 2.51 2.77 501 250 57.0 7.18 8.19
Waf. C 3.18 2.85 534 263 58.7 8.29 10.1
Waf. D 0.33 3.24 465 23.9 49.2 5.52 7.77
Waf. E 0.03 2.21 467 26.7 47.7 5.97 7.14

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