The effect of spectrum range limitation to the efficiency of Al0.3Ga0.7As/GaAs/InP/Ge multijunction solar cells: a simulation case

T. Sumaryada; E. S. Wahyuni; H. Syafutra; H. Alatas

doi:10.1117/12.2078069

9 January 2015 The effect of spectrum range limitation to the efficiency of Al_0.3Ga_0.7As/GaAs/InP/Ge multijunction solar cells: a simulation case

T. Sumaryada, E. S. Wahyuni, H. Syafutra, H. Alatas

Author Affiliations +

Proceedings Volume 9444, International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2014); 94440M (2015) https://doi.org/10.1117/12.2078069
Event: International Seminar on Photonics, Optics, and Applications 2014, 2014, Sanur, Bali, Indonesia

Abstract

The effect of Spectrum Range Limitation (SRL) to the efficiency and performances of multijunction solar cells Al_0.3Ga_0.7As/GaAs/InP/Ge was investigated using simulation approach. Simulations were done using two different models, first with No Spectrum Range Limitation (NSRL) and the second with SRL. In the first model each subcell (material) was free to absorb AM1.5G solar radiation spectrum from 280 nm up to 2500 nm, while for the second model, the absorption spectrum for each subcell depends on the cut-off wavelength of its previous subcell. For each model, a non-identical current flow in each layer was simulated. The results have shown that SRL dropped the efficiency by almost a half (44.90 %) compared to simulation with NSRL. All current-producing simulations were performed using freely available PC1D program.

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T. Sumaryada, E. S. Wahyuni, H. Syafutra, and H. Alatas "The effect of spectrum range limitation to the efficiency of Al_0.3Ga_0.7As/GaAs/InP/Ge multijunction solar cells: a simulation case", Proc. SPIE 9444, International Seminar on Photonics, Optics, and Its Applications (ISPhOA 2014), 94440M (9 January 2015); https://doi.org/10.1117/12.2078069

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