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Electron-Beam Irradiation of Solar Cells


The Dosimetry Group operates a system capable of performing electron beam processing, which consists of a Van de Graaff electron accelerator and a sample scanning mechanism.


 NIST irradiates solar cells that are manufactured by a leading developer of high-efficiency solar photovoltaic cells for space applications. As part of the space-qualification process, the performance of these cells in a space environment must be validated. This validation process includes the characterization of the cells in terms of their resistance to radiation. It is important to learn how each new solar cell design performs in a radiation environment, and the electron beam processing of the samples conducted by NIST supplies the manufacturer with invaluable performance data in the development of these devices.

Solar Cells
Photograph by: Fred Bateman

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