Pc1d solar cell simulation software
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The drift-diffusion model is solved numerically using PC1D software while taking into account the photon recycling (PR) effects by adjusting the effective radiative recombination coefficient with a PR factor of the solar cell.
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This paper develops a detailed-balance model for solar cells with finite absorber thicknesses and arbitrary absorptance spectra, which can be calculated using the material property and sample structure of a solar cell. However, practical solar cells do not have step-function absorptance spectra due to finite absorber thickness, non-ideal anti-reflection coating, Urbach tail, etc. The Shockley-Queisser model predicts the limiting efficiency of an idealized solar cell with unity absorptance above the bandgap energy and zero below. A 28.7 % efficiency is potentially achievable for monocrystalline CdTe/MgCdTe DH solar cells with a SRH lifetime of 2.7 μs demonstrated very recently.Ībstract = "This paper reports the simulated performance of monocrystalline CdTe/MgCdTe double-heterostructure solar cells using both the detailed-balance model and the drift-diffusion model. The expected efficiencies of a monocrystalline CdTe/MgCdTe double-heterostructure solar cell are calculated as a function of minority carrier lifetime. With the inclusion of the PR effect, simulation results from PC1D agree well with the detailed-balance limit when non-radiative recombination is negligible. This paper reports the simulated performance of monocrystalline CdTe/MgCdTe double-heterostructure solar cells using both the detailed-balance model and the drift-diffusion model.