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The sun is an abundant power source that is clean and inexhaustible. Photovoltaic devices facilitate the collection of this energy The practice of using relatively inexpensive optics to concentrate light to reduce the amount of expensive semiconductor required has been a large driver in terrestrial application of concentrator photovoltaics (CPV). Solar cell design is critical in optimizing the device for CPV conditions. The goal of this project was to design and optimize GaAs solar cells of sizes ranging from 0.0125cm2 to 0.25cm2 for operation under a light concentration of 500 suns. The parameter of cell size was investigated in this study, as it has major impacts on solar cell perform a nce.

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