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1 MeV electron radiation effects in SnO2 - SiO2 - silicon solar cells

  • SUNY Buffalo

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

High efficiency semiconductor-insulator-semiconductor (SIS) solar cells irradiated at 1 MeV showed a 66% decrease in AMO efficiency compared to a typical 23% decrease in n/p junction cells at a fluence of 1 x 1015e-/cm2. These stable terrestrial cells had a critical fluence of 1 x 1013e-/cm2. Spectral response and diffusion length measurements show that this pronounced degradation is related to increased minority carrier recombination in the 0.5 Q-cm n-type Si. Thermionic emission theory indicates a decrease in barrier height with increased fluence. This contributed to the 75% decrease in short circuit current density at 3.1 x 1016 e/cm2. SIS cells on p-type Si should show improved response.

Original languageEnglish
Pages (from-to)4169-4172
Number of pages4
JournalIEEE Transactions on Nuclear Science
Volume30
Issue number6
DOIs
StatePublished - Dec 1983

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