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Fig. 1


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(a) Schematics of a four-terminal InGaP/GaAs//Si-HJ solar cell. The top sub-cell is formed by the two-terminal III-V tandem. (b) Schematics of a two-terminal InGaP/GaAs/Si-HJ solar cell. In this case, the tunnel junctions are not depicted, nor they are considered for the calculations.

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