11 September 2006 Very high efficiency solar cells
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Abstract
The Defense Advanced Research Projects Agency has initiated the Very High Efficiency Solar Cell (VHESC) program to address the critical need of the soldier for power in the field. Very High Efficiency Solar Cells for portable applications that operate at greater than 55 percent efficiency in the laboratory and 50 percent in production are being developed. We are integrating the optical design with the solar cell design, and have entered previously unoccupied design space that leads to a new architecture paradigm. An integrated team effort is now underway that requires us to invent, develop and transfer to production these new solar cells. Our approach is driven by proven quantitative models for the solar cell design, the optical design and the integration of these designs. We start with a very high performance crystalline silicon solar cell platform. Examples will be presented. Initial solar cell device results are shown for devices fabricated in geometries designed for this VHESC Program.
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Allen Barnett, Allen Barnett, Douglas Kirkpatrick, Douglas Kirkpatrick, Christiana Honsberg, Christiana Honsberg, } "Very high efficiency solar cells", Proc. SPIE 6338, Nonimaging Optics and Efficient Illumination Systems III, 63380N (11 September 2006); doi: 10.1117/12.684418; https://doi.org/10.1117/12.684418
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