Journal
SOLAR ENERGY MATERIALS AND SOLAR CELLS
Volume 90, Issue 16, Pages 2589-2604Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solmat.2006.02.013
Keywords
modeling; concentrator solar cells; front grid design; front contact; gallium compounds
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An extensive analysis of the front contact influence on concentrator GaAs solar cell performance has been carried out. The fill factor, open circuit voltage and efficiency have been calculated by varying the front contact specific resistance and the metal sheet resistance for 500X, 1000X and 2000X. An optimum front grid design has also been developed. The simulations have been carried out using a 3D model based on distributed circuit units, and by a classic lumped model, showing the need to use distributed models to achieve an accurate concentrator solar cell modeling as well as a precise front grid design.. (c) 2006 Elsevier B.V. All rights reserved.
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