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Low Energy Proton Damage to Solar Cells

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2 Author(s)
J. F. Weller ; U. S. Naval Research Laboratory Washington, D. C. ; R. L. Statler

Various types of silicon solar cells have been irradiated with 4.6 - 4.8 Mev protons in two separate experiments. In the first experiment, variations included the bulk material, impurity concentration, and oxygen concentration; the second experiment involved the cells of various manufacturers. Changes in diffusion length, spectral response, and efficiency under sun-like illumination are presented. Annealing effects in terms of the aforermentioned parameters are given. Comparison of the effects of this damage to that of 1 Mev electrons is made. Some preliminary results on the effects of proton damage to GaAs photovoltaic cells are also mentioned.

Published in:

IEEE Transactions on Nuclear Science  (Volume:10 ,  Issue: 5 )