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Temperature and Intensity Behaviour of the pAl0.7Ga0.3As‐pGaAs‐nGaAs Concentrator Solar Cell

P. Dı́az, Luís Hernández-Callejo, R. Romero

Abstract

Abstract A semiempirical approch for calculation of pAl0.7Ga0.3As‐pGaAs‐nGaAs concentrator solar cell behaviour in a very wide range of operating temperatures (77 K – 490 K) is developed. Experimental values of cell collection efficiency, short circuit current and open circuit voltage are given, while cell fill factor and overall conversion efficiency are calculated. Optimum cell operating conditions are found both for AM 1 and AM 0 radiation.

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Key concepts: Concentrator, Solar cell, Solar cell efficiency, Open-circuit voltage, Energy conversion efficiency, Range (aeronautics), Materials science, Intensity (physics)