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Defect analysis of APCVD gettered multicrystalline silicon

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2018

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VERLINDEN, Pierre, ed. and others. 35th European Photovoltaic Solar Energy Conference and Exhibition. München: WIP, 2018, pp. 527-530. ISBN 978-3-936338-50-8

Zusammenfassung

The effects of atmospheric pressure chemical vapor deposition (APCVD) gettering on material quality of industry standard mc-Si wafers has been studied on a microscopic level and compared to POCl3 gettered samples. The interaction of the gettering efficacy with the microscopic defect structure has been studied by a combination of measurements of the effective minority charge carrier lifetime (eff), interstitial iron (Fei), optical microscope images of defect structures revealed with Secco etching, a subsequent high resolution etch pit density (EPD) analysis as well as Electron Beam Induced Current (EBIC) and Electron Backscatter Diffraction (EBSD). Findings include a similar gettering quality of APCVD- and POCl3-based glasses and a reduction of EPD after the gettering step.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
530 Physik

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Defects, Gettering, Lifetime, APCVD, Multicrystalline Silicon

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35th European Photovoltaic Solar Energy Conference and Exhibition, 24. Sept. 2018 - 28. Okt. 2018, Brussels
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ISO 690FLECK, Martin, Jeanette LINDROOS, Annika ZUSCHLAG, Giso HAHN, 2018. Defect analysis of APCVD gettered multicrystalline silicon. 35th European Photovoltaic Solar Energy Conference and Exhibition. Brussels, 24. Sept. 2018 - 28. Okt. 2018. In: VERLINDEN, Pierre, ed. and others. 35th European Photovoltaic Solar Energy Conference and Exhibition. München: WIP, 2018, pp. 527-530. ISBN 978-3-936338-50-8
BibTex
@inproceedings{Fleck2018Defec-45202,
  year={2018},
  title={Defect analysis of APCVD gettered multicrystalline silicon},
  url={https://www.eupvsec-planner.com/presentations/c45930/defect_analysis_of_apcvd_gettered_multicrystalline_silicon.htm},
  isbn={978-3-936338-50-8},
  publisher={WIP},
  address={München},
  booktitle={35th European Photovoltaic Solar Energy Conference and Exhibition},
  pages={527--530},
  editor={Verlinden, Pierre},
  author={Fleck, Martin and Lindroos, Jeanette and Zuschlag, Annika and Hahn, Giso}
}
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