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Spectral matching and outdoor solar to electrical conversion efficiency in thin-film silicon multi-junction solar cells
| Content Provider | Semantic Scholar |
|---|---|
| Author | Reynolds, Steve Urbain, Félix Smirnov, Vladimir |
| Copyright Year | 2017 |
| Abstract | Semi-empirical computer modelling is used to investigate spectral matching in tandem and triple-junction thin film silicon solar cells. In amorphous/microcrystalline silicon (a-Si:H/µc-Si:H) tandem cells, current mis-match is offset by an increase in fill-factor, resulting in a broad peak in efficiency versus average photon energy. For a-Si:H/a-Si:H tandem cells, photo-generated currents in both sub-cells increase with increasing average photon energy, and efficiency is predicted to increase monotonically over a wide spectral range. a-Si:H/a-Si:H/µc-Si:H triple cells exhibit spectral behaviour similar to a-Si:H/µc-Si:H tandem cells, but with a smaller fill-factor dependence. Variations in spectral quality are predicted to account for only a small reduction in annual electrical energy yield, of some 2 to 4%. |
| Starting Page | 012025 |
| Ending Page | 012025 |
| Page Count | 1 |
| File Format | PDF HTM / HTML |
| DOI | 10.1088/1742-6596/794/1/012025 |
| Volume Number | 794 |
| Alternate Webpage(s) | http://iopscience.iop.org/article/10.1088/1742-6596/794/1/012025/pdf |
| Alternate Webpage(s) | https://doi.org/10.1088/1742-6596%2F794%2F1%2F012025 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
