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Thin film GaAs solar cell

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One of the major challenges in designing solar cells is to maximize the efficiency. In this example, we consider the optical and electrical factors that reduce the efficiency of a single junction GaAs solar cell below the theoretical Shockley-Queisser limit.

 

Solvers

FDTD

CHARGE

Associated files

solar_gaas.ldev

solar_gaas.fsp

solar_gaas_ideal_1d_absoprtion.lsf

solar_gaas_recomb.lsf

OGR GaAs - Palik Copy 1 ideal.mat

OGR_AlGaAs_fine.mat

See also

Getting started: Simple Solar cell

References

1.W. Shockley and H. Queisser, J. Appl. Phys. 32, 510–519 (1961).

2.G. Araujo, “Limits to Efficiency of Single and Multiple Bandgap Solar Cells”, in Physical Limitations to Photovoltaic Energy Conversion, A. Luque and G. Araujo, Eds. Adam Hilger, Bristol, 1990, pp. 119–133

3."Shockley-Queisser limit," Wikipedia: The Free Encyclopedia. Wikimedia Foundation, Inc. 22 July 2004. [online]

4.X. Wang, et al., "Design of GaAs Solar Cells Operating Close to the Shockley-Queisser Limit," IEEE J. Photovoltaics, 3, 737 (2013)

5.R. Ahrenkiel, et al., "Ultralong minority carrier lifetime epitaxial GaAs by photon recycling," Appl. Phys. Lett., 55, 1088 (1989) [doi]

6.M. A.Green, et al., “Solar cell efficiency tables (Version 39),” Progr. Photovoltaics, 20, 12 (2012).

solar_gaas_structure_zoom68

 

 

 

 

 

 

 

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