Performance assessment of multijunction solar cells incorporating GaInNAsSb

Table 2 Ideal and practical J _sc v alues for GaInP/GaAs/GaInNAsSb and GaInP/GaAs/GaInNAsSb/Ge SCs

	J_sc(GaInP) + J_sc(GaAs)(mA/cm²)	J_{sc(GaInNAsSb)} + J_sc(Ge)(mA/cm²)	Difference (mA/cm²)	J_{sc-current matched 3J}(mA/cm²)	J_{sc-current matched 4J}(mA/cm²)
AM1.5G	31.9	25.0	−6.9	14.52	12.94
AM1.5D	30.3	28.4	−1.9	13.79	13.35
AM0	39.0	36.1	−2.9	17.75	17.09

J_sc values shared by GaInP/GaAs and GaInNAsSb/Ge junctions for different spectra at 300 K [12] and the current matching J_sc values with EQE_av = 0.91 for GaInP/GaAs/GaInNAsSb and GaInP/GaAs/GaInNAsSb/Ge. The J_sc differences between the two top junctions and the two bottom junctions are also given.