Publikation:

Influence of short high temperature steps on the regeneration of boron-oxygen related defects

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2013

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http://nbn-resolving.de/urn:nbn:de:bsz:352-252563
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https://doi.org/10.4229/28thEUPVSEC2013-1BO.10.5
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Proceedings of the 28th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC 2013) ; Paris, France ; conference 30 September - 04 October 2013. München: WIP, 2013, pp. 34-38. ISBN 3-936338-33-7. Available under: doi: 10.4229/28thEUPVSEC2013-1BO.10.5

Zusammenfassung

Boron-oxygen related recombination active defects typically limit solar cell efficiency in boron-doped solar cells made from Czochralski grown silicon due to their detrimental effect on minority carrier lifetime. Lifetime can be recovered by applying a regeneration procedure. The kinetics of this recovery process has been found to depend considerably on the amount of hydrogen in the silicon bulk. Therefore, the influence of short high temperature steps, which may affect the hydrogen bulk content, on the regeneration process is investigated. We found that increasing peak temperature and increasing holding time at high temperatures results in a considerable acceleration of the regeneration process. This could be correlated with the amount of hydrogen released from an SiNx:H layer at high temperatures supporting the theory that the regeneration of boron-oxygen related defects might in fact be a form of hydrogen defect passivation.

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530 Physik

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28th European Photovoltaic Solar Energy Conference and Exhibition, 30. Sept. 2013 - 4. Okt. 2013, Paris
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ISO 690WILKING, Svenja, Sebastian EBERT, Axel HERGUTH, Giso HAHN, 2013. Influence of short high temperature steps on the regeneration of boron-oxygen related defects. 28th European Photovoltaic Solar Energy Conference and Exhibition. Paris, 30. Sept. 2013 - 4. Okt. 2013. In: Proceedings of the 28th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC 2013) ; Paris, France ; conference 30 September - 04 October 2013. München: WIP, 2013, pp. 34-38. ISBN 3-936338-33-7. Available under: doi: 10.4229/28thEUPVSEC2013-1BO.10.5
BibTex
@inproceedings{Wilking2013Influ-25256,
  year={2013},
  doi={10.4229/28thEUPVSEC2013-1BO.10.5},
  title={Influence of short high temperature steps on the regeneration of boron-oxygen related defects},
  isbn={3-936338-33-7},
  publisher={WIP},
  address={München},
  booktitle={Proceedings of the 28th European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC 2013) ; Paris, France ; conference 30 September - 04 October 2013},
  pages={34--38},
  author={Wilking, Svenja and Ebert, Sebastian and Herguth, Axel and Hahn, Giso}
}
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