Research Article
Modeling and Design of Graphene GaAs Junction Solar Cell
Table 2
Efficiency versus GaAs thickness, graphene work function and transmittance, and n-type doping concentration under AM1.5 illumination.
| | GaAs thickness (μm) | Graphene work function (ev) | Graphene transmittance (%) | N-type doping (cm−3) | (mA/cm2) | (V) | FF | (%) |
| | 1 | 4.55 | 93.1 | No doping | 7.082 | 0.255 | 0.344 | 0.772 | | 2 | 4.55 | 93.1 | No doping | 8.483 | 0.268 | 0.406 | 1.174 | | 5 | 4.55 | 93.1 | No doping | 8.261 | 0.281 | 0.473 | 1.392 | | 10 | 4.55 | 93.1 | No doping | 7.519 | 0.289 | 0.433 | 1.196 | | 5 | 4.4 | 95.4 | No doping | 8.613 | 0.263 | 0.451 | 1.298 | | 5 | 4.8 | 85.3 | No doping | 7.951 | 0.296 | 0.496 | 1.481 | | 5 | 4.8 | 85.3 | | 7.966 | 0.301 | 0.499 | 1.518 | | 5 | 4.8 | 85.3 | | 8.054 | 0.332 | 0.518 | 1.755 | | 5 | 4.8 | 85.3 | | 8.191 | 0.389 | 0.548 | 2.218 |
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