Eliminating Light-Induced Degradation in Commercial p-Type Czochralski Silicon Solar Cells

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2018
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Hallam, Brett
Hamer, Phillip
Nampalli, Nitin
Abbott, Malcolm
Wenham, Stuart
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Applied Sciences. 2018, 8(1), 10. eISSN 2076-3417. Available under: doi: 10.3390/app8010010
Zusammenfassung

This paper discusses developments in the mitigation of light-induced degradation caused by boron-oxygen defects in boron-doped Czochralski grown silicon. Particular attention is paid to the fabrication of industrial silicon solar cells with treatments for sensitive materials using illuminated annealing. It highlights the importance and desirability of using hydrogen-containing dielectric layers and a subsequent firing process to inject hydrogen throughout the bulk of the silicon solar cell and subsequent illuminated annealing processes for the formation of the boron-oxygen defects and simultaneously manipulate the charge states of hydrogen to enable defect passivation. For the photovoltaic industry with a current capacity of approximately 100 GW peak, the mitigation of boron-oxygen related light-induced degradation is a necessity to use cost-effective B-doped silicon while benefitting from the high-efficiency potential of new solar cell concepts.

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530 Physik
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boron-oxygen; light-induced degradation; p-type Czochralski; silicon solar cell; regeneration; hydrogen passivation
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ISO 690HALLAM, Brett, Axel HERGUTH, Phillip HAMER, Nitin NAMPALLI, Svenja WILKING, Malcolm ABBOTT, Stuart WENHAM, Giso HAHN, 2018. Eliminating Light-Induced Degradation in Commercial p-Type Czochralski Silicon Solar Cells. In: Applied Sciences. 2018, 8(1), 10. eISSN 2076-3417. Available under: doi: 10.3390/app8010010
BibTex
@article{Hallam2018-02Elimi-41807,
  year={2018},
  doi={10.3390/app8010010},
  title={Eliminating Light-Induced Degradation in Commercial p-Type Czochralski Silicon Solar Cells},
  number={1},
  volume={8},
  journal={Applied Sciences},
  author={Hallam, Brett and Herguth, Axel and Hamer, Phillip and Nampalli, Nitin and Wilking, Svenja and Abbott, Malcolm and Wenham, Stuart and Hahn, Giso},
  note={Article Number: 10}
}
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