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Appl Opt. 1984 Dec 1;23(23):4394-402.

Concentration of solar radiation by white backed photovoltaic panels.

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  • 1Stanford University, Department of Materials Science & Engineering, Stanford, California 94305, USA.


In this paper, we present an analysis of the concentration achieved by white backed photovoltaic panels. Concentration is due to the trapping by light scattered in the refractive plate to which the solar cell is bonded. Using the reciprocity relation and assuming the ideal case of a Lambertian distribution, a detailed model is formulated that includes the effects of the thickness and walls of the concentrator. This model converges to the thermodynamic limit and is found to be consistent with experimental results for a wide range of cell sizes. Finally, the model is generalized to multiple-cell photovoltaic panels.

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