Table 2.
Saturation current density mA/cm2 | High doping IBC | Low doping IBC |
---|---|---|
maximum possible for infinitely extended absorber | 43.3 | 43.3 |
Yablonovitch limit for 13 μm28 | 41.2 | 41.2 |
calculated from (1-R)c | 39.7 | 39.7 |
without loss from absorber grid and loss at GB/dislocationsb | 32.5 | 36.9 |
without loss at GB/dislocationsb | 30.5 | 34.7 |
without loss from absorber gridb | 29.4 | 33.5 |
with ARFa | 27.5 | 31.3 |
without ARFa | 25.5 | 28.1 |
aMeasured by solar simulator. bCalculated from LBIC measurements. cMeasured by UV/VIS spectrometer. Rest: calculated from literature data.