Radiation-stimulated processes in CdTe solar cells
Zh. ZhanabergenovPhysicotechnical Institute, Academy of Sciences of the Republic of Uzbekistan, Tashkent, UzbekistanШ. А. МирсагатовPhysicotechnical Institute, Academy of Sciences of the Republic of Uzbekistan, Tashkent, UzbekistanSmagul KarazhanovPhysicotechnical Institute, Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan
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The parameters of polycrystalline cadmium telluride (CdTe) solar cells exhibit nonmonotonic variation with increasing dose of γ radiation. It is established that this behavior is related to a nonmonotonic dose dependence of the minority carrier lifetime in the base region. The short circuit current, the fill factor, and the conversion efficiency of γ-irradiated CdTe solar cells can be greater than the analogous parameters of unirradiated devices.
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