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Two different types of n-type amorphous silicon/p-type crystalline silicon heterojunction solar cells-with and without insertion of a thin intrinsic a-Si:H layer-have been irradiated with proton doses between 5.1010 and 5.1012 protons/cm2 at 1.7 MeV. They have been investigated as well by classical measurement techniques like spectral response and current-voltage characteristics under illumination...
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