Reliability of low-cost CdS/Cu 2 S solar cells
- 2 May 1974
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 10 (9) , 163-164
- https://doi.org/10.1049/el:19740123
Abstract
Accelerated life tests show that CdS/Cu2S solar-cell lifetimes increase with lower temperature, cyclic light and a nitrogen-gas ambient. A normal Arrhenius type of temperature dependence was found. Extrapolated lifetime for cells kept below 50°C in nitrogen gas with earth deployment exceeded twenty years. The probable decay mechanisms are thermal diffusion, formation of recombination centres and voltage-induced decomposition.Keywords
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