Effect of a Band-Gap Gradient on the Radiative Losses in the Open-Circuit Voltage of Solar Cells
The radiative open-circuit voltage loss in a solar cell occurs because the absorptance spectrum near the band gap shows a gradual increase rather than a sharp step-function-like transition. This broadening effect has been attributed to band-gap fluctuations and/or to Urbach tails. In this work, we u...
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| Main Authors: | , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
American Physical Society
2025-07-01
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| Series: | PRX Energy |
| Online Access: | http://doi.org/10.1103/r25l-ftmp |
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