Publikation:

Microscopic analysis of the influence of solar cell process steps on the recombination activity of extended crystal defects

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Zuschlag_160160.pdf
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2010

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Bernhard, J.

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http://nbn-resolving.de/urn:nbn:de:bsz:352-160160
DOI (zitierfähiger Link)
https://doi.org/10.4229/25thEUPVSEC2010-2DV.1.2
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Open Access Green

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Physik: Publikationen
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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. 2433-2437. Available under: doi: 10.4229/25thEUPVSEC2010-2DV.1.2

Zusammenfassung

Gettering and passivation steps during solar cell processing influence the recombination activity of grain boundaries in silicon wafers. The purpose of this work is to study the influence of different solar cell processing steps on the recombination activity. Neighbouring wafers of intentionally contaminated multicrystalline ingots were differently processed to solar cells or treated with single POCl3-diffusion, hydrogenation or temperature steps. Therefore, the influence of these solar cell processing steps on recombination activity could be evaluated individually by electron beam induced current (EBIC) measurements. Afterwards these wafers were investigated by electron backscatter diffraction (EBSD) measurements to determine the crystal orientations and the crystallographic properties of the grain boundaries. Combined EBIC and EBSD results allow the evaluation of the influence of solar cell processing steps on recombination activity in dependence of several grain boundary types. The gained results might be important for defect engineering and the development of an optimized solar cell process on cost effective and impurity-rich silicon material to reduce the recombination activity at grain boundaries in multicrystalline silicon material.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
530 Physik

Schlagwörter

gettering, mc Si, grain boundary

Konferenz

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 690ZUSCHLAG, Annika, Humphrey MORHENN, J. BERNHARD, Johannes JUNGE, Sven SEREN, Giso HAHN, 2010. Microscopic analysis of the influence of solar cell process steps on the recombination activity of extended crystal defects. 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. 2433-2437. Available under: doi: 10.4229/25thEUPVSEC2010-2DV.1.2
BibTex
@inproceedings{Zuschlag2010Micro-16016,
  year={2010},
  doi={10.4229/25thEUPVSEC2010-2DV.1.2},
  title={Microscopic analysis of the influence of solar cell process steps on the recombination activity of extended crystal defects},
  publisher={WIP-Renewable Energies},
  address={Munich, Germany},
  booktitle={25th European Photovoltaic Solar Energy Conference and Exhibition. 5th World Conference on photovoltaic Energy Conversion},
  pages={2433--2437},
  editor={de Santi, G.F. and Ossenbrink, H. and Helm, P.},
  author={Zuschlag, Annika and Morhenn, Humphrey and Bernhard, J. and Junge, Johannes and Seren, Sven and Hahn, Giso}
}
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