Publikation:

Comparison of UMG materials : are ingot height independent solar cell efficiencies possible?

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Kohler_160229.pdf
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2010

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http://nbn-resolving.de/urn:nbn:de:bsz:352-160229
DOI (zitierfähiger Link)
https://doi.org/10.4229/25thEUPVSEC2010-2DV.1.34
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Published

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DE SANTI, G.F., ed., H. OSSENBRINK, ed., P. HELM, ed.. 25th European Photovoltaic Solar Energy Conference and Exhibition. 5th World Conference on photovoltaic Energy Conversion. Munich, Germany: WIP-Renewable Energies, 2010, pp. 2542-2547. Available under: doi: 10.4229/25thEUPVSEC2010-2DV.1.34

Zusammenfassung

Upgraded metallurgical-grade silicon (UMG-Si) offers benefits in costs and energy consumption, although the actual low silicon price enhances the need to reach the same level of solar cell efficiency and long-term behaviour as electronic-grade silicon. Especially boron and phosphorus are hardly removable from the UMG silicon feedstock. Therefore, also the purity of the feedstock is relevant. This work shows the progress on this route for two ingot suppliers. The usage of UMG material from different suppliers allows a direct comparison of material quality and solar cell performance. Additionally, a selection of solar cells from different height positions was cut up into small stripe-like cells with the intention of receiving an improved spatial resolution in electroluminescence, dLIT, bulk resistivity and IV measurements.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
530 Physik

Schlagwörter

electroluminescence, silicon solar cell, upgraded metallurgical grade

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25th European Photovoltaic Solar Energy Conference and Exhibition. 5th World Conference on photovoltaic Energy Conversion, 6. Sept. 2010 - 10. Sept. 2010, Valencia, Spain
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ISO 690KOHLER, Dietmar, David KILIANI, Bernd RAABE, Sven SEREN, Giso HAHN, 2010. Comparison of UMG materials : are ingot height independent solar cell efficiencies possible?. 25th European Photovoltaic Solar Energy Conference and Exhibition. 5th World Conference on photovoltaic Energy Conversion. Valencia, Spain, 6. Sept. 2010 - 10. Sept. 2010. In: DE SANTI, G.F., ed., H. OSSENBRINK, ed., P. HELM, ed.. 25th European Photovoltaic Solar Energy Conference and Exhibition. 5th World Conference on photovoltaic Energy Conversion. Munich, Germany: WIP-Renewable Energies, 2010, pp. 2542-2547. Available under: doi: 10.4229/25thEUPVSEC2010-2DV.1.34
BibTex
@inproceedings{Kohler2010Compa-16022,
  year={2010},
  doi={10.4229/25thEUPVSEC2010-2DV.1.34},
  title={Comparison of UMG materials : are ingot height independent solar cell efficiencies possible?},
  publisher={WIP-Renewable Energies},
  address={Munich, Germany},
  booktitle={25th European Photovoltaic Solar Energy Conference and Exhibition. 5th World Conference on photovoltaic Energy Conversion},
  pages={2542--2547},
  editor={de Santi, G.F. and Ossenbrink, H. and Helm, P.},
  author={Kohler, Dietmar and Kiliani, David and Raabe, Bernd and Seren, Sven and Hahn, Giso}
}
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