Research Article
Annealing Effects on GaAs/Ge Solar Cell after 150 keV Proton Irradiation
Table 3
Parameters in the current density equation (Equation (
2)) are derived from the minority carrier diffusion equation.
| | Parameters | Description | Value |
| | Quantity of electric charge | C | | Emitter thickness | 0.1 μm | | Base thickness | 2.97 μm | | Space charge zone thickness | 0.03 μm | | Emission zone minority carrier diffusion coefficient | 6.63 cm2/s | | Base zone minority carrier diffusion coefficient | 1.93 cm2/s | | Front surface recombination rate | cm/s | | Back surface recombination rate | cm/s | | Minority carrier lifetime | 38 ns | | Emission zone minority carrier diffusion length, | 4.17 μm | | Base zone minority carrier diffusion length, | 7.72 μm | | Simplified front surface recombination rate, | 2.16 | | Simplified back surface recombination rate, | 4.66 |
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