Selecting the band gap for best long-term performance of a-Si:H solar cells
- 1 January 1991
- proceedings article
- Published by AIP Publishing in AIP Conference Proceedings
- Vol. 234 (1) , 282-289
- https://doi.org/10.1063/1.41038
Abstract
We calculate the light‐soaking time dependence of the a‐Si:H solar cell efficiency with a simple analytical model that expresses the efficiency as a function of the deep‐level defect density in the i‐layer. We use the model to predict the cell stability as a function of the optical gap of the i‐layer. The band gap for best long‐term performance lies in the vicinity of 1.6 eV.Keywords
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