Publikation:

First ribbon growth on substrate (RGS) solar cells with selective emitter

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Hess_191964.pdf
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Datum

2011

Autor:innen

Hess, Uwe
Weber, T.
Pichon, P.-Y.
Schönecker, A.

Herausgeber:innen

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URI (zitierfähiger Link)
http://nbn-resolving.de/urn:nbn:de:bsz:352-191964
DOI (zitierfähiger Link)
https://doi.org/10.4229/26thEUPVSEC2011-2BV.1.12
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Urheberrechtlich geschützt

Angaben zur Forschungsförderung

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Open Access-Veröffentlichung
Open Access Green

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Physik: Publikationen
Core Facility der Universität Konstanz

Gesperrt bis

Titel in einer weiteren Sprache

Publikationstyp
Beitrag zu einem Konferenzband
Publikationsstatus
Published

Erschienen in

OSSENBRINK, H., ed. and others. Proceedings of the 26th European Photovoltaic Solar Energy Conference and Exhibition : the most inspiring platform for the global PV solar sector. Munich, Germany: WIP-Renewable Energies, 2011, pp. 1262-1265. ISBN 3-936338-27-2. Available under: doi: 10.4229/26thEUPVSEC2011-2BV.1.12

Zusammenfassung

Ribbon Growth on Substrate (RGS) technology is a cost-effective approach in terms of silicon usage per watt peak. The wafers are cast directly out of the melt onto reusable substrates. This process omits material losses which occur e.g. by wire-sawing in standard blockcast wafering techniques. Also the wafers can be cast at a high production speed in the order of one wafer per second. However, the material suffers from various crystal defects and has grain sizes between 0.1 mm and 1 mm. To develop and adjust new cell designs, we investigate the effect of a selective emitter structure on RGS cells. To realize a selective emitter the etch-back approach is used. It is found that the expected gain of jsc is accompanied by losses in the fill factor. These effects compensate each other in such a way, that no significant increase in solar cell efficiency is observable up. These first experiments with selective emitters on RGS wafers results in efficiencies up to 12.4%.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
530 Physik

Schlagwörter

ribbon silicon, selective emitter

Konferenz

26th European Photovoltaic Solar Energy Conference and Exhibition, 5. Sept. 2011 - 9. Sept. 2011, Hamburg, Germany
Rezension
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ISO 690HESS, Uwe, Sebastian JOOS, Sven SEREN, Giso HAHN, T. WEBER, P.-Y. PICHON, A. SCHÖNECKER, 2011. First ribbon growth on substrate (RGS) solar cells with selective emitter. 26th European Photovoltaic Solar Energy Conference and Exhibition. Hamburg, Germany, 5. Sept. 2011 - 9. Sept. 2011. In: OSSENBRINK, H., ed. and others. Proceedings of the 26th European Photovoltaic Solar Energy Conference and Exhibition : the most inspiring platform for the global PV solar sector. Munich, Germany: WIP-Renewable Energies, 2011, pp. 1262-1265. ISBN 3-936338-27-2. Available under: doi: 10.4229/26thEUPVSEC2011-2BV.1.12
BibTex
@inproceedings{Hess2011First-19196,
  year={2011},
  doi={10.4229/26thEUPVSEC2011-2BV.1.12},
  title={First ribbon growth on substrate (RGS) solar cells with selective emitter},
  isbn={3-936338-27-2},
  publisher={WIP-Renewable Energies},
  address={Munich, Germany},
  booktitle={Proceedings of the 26th European Photovoltaic Solar Energy Conference and Exhibition : the most inspiring platform for the global PV solar sector},
  pages={1262--1265},
  editor={Ossenbrink, H.},
  author={Hess, Uwe and Joos, Sebastian and Seren, Sven and Hahn, Giso and Weber, T. and Pichon, P.-Y. and Schönecker, A.}
}
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