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Design of 2- and 3-terminal GaInP/GaAs concentrator cells for maximum yearly energy output

Design of 2- and 3-terminal GaInP/GaAs concentrator cells for maximum yearly energy output,10.1109/PVSC.2010.5616934,A. W. Haas,J. R. Wilcox,J. L. Gra

Design of 2- and 3-terminal GaInP/GaAs concentrator cells for maximum yearly energy output  
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Two important factors in achieving maximum power output in a multi-junction concentrator solar cell are selecting optimal sub-cell band gaps and absorber layer thicknesses. This optimization is spectrum-dependent and does not guarantee maximum yearly energy delivery, as the distribution of spectral energy varies throughout the day and year. A simple, detailed-balance model may be used in this optimization, though detailed numerical models are ideal as the specifics of the cell structure can be incorporated. In this paper, a particular GaInP/GaAs tandem structure is optimized using ADEPT to show that maximum yearly energy delivery is achieved by optimizing under a mid-November spectrum.
Conference: Photovoltaic Specialists, IEEE Conference - PVSC , pp. 002038-002043, 2010
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