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. 2019 Mar 13;9:4308. doi: 10.1038/s41598-019-40727-y

Table 4.

Parameters used simulation for GaInP, GaAs, Si, and InGaAs subcells.

Parameters GaInP GaAs InGaAs Si
Band gap (eV) 1.9 1.424 0.74 1.1
Electron affinity (eV) 4.16 4.07 4.49 1.05
Relative permittivity 11.6 13.2 12.5 11.9
CB effective density of state (cm−3) 1.3 × 1020 4 × 1017 2.1 × 1017 2.8 × 1019
VB effective density of state (cm−3) 1.28 × 1019 9 × 1018 7.7 × 1018 1.04 × 1019
Electron mobility (cm2/Vs) 500 3197 12260 1500
Hole mobility (cm2/Vs) 30 232 300 450
Radiative recombination coefficient (cm3/s) 5 × 10−9 1.3 × 10−10 1.43 × 10−10 1.8 × 10−15
Auger electron capture coefficient (cm6/s) 5 × 10−31 8.1 × 10−29 3 × 10−31
Auger hole capture coefficient (cm6/s) 5 × 10−31 8.1 × 10−29 3 × 10–31
SRH τn (ns) 9 × 102 2 × 104 4.3 × 103
SRH τp (ns) 9 × 102 2 × 104 6.1 × 103