@inproceedings{Gloger2009Inves-1000,
  year={2009},
  doi={10.4229/24thEUPVSEC2009-2CV.2.40},
  title={Investigation of the back side passivation layer of screen printed bifacial silicon solar cells},
  isbn={3-936338-25-6},
  publisher={WIP},
  address={München},
  booktitle={Proceedings of the 24th European Photovoltaic Solar Energy Conference},
  pages={1544--1547},
  author={Gloger, Sebastian and Ebert, Stefanie and Raabe, Bernd and Hahn, Giso}
}

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    <dc:contributor>Hahn, Giso</dc:contributor>
    <dc:creator>Raabe, Bernd</dc:creator>
    <dc:language>eng</dc:language>
    <dcterms:abstract xml:lang="eng">This work compares the back side passivation quality of bifacial silicon (Si) solar cells with boron back-surface-field (B-BSF) of different sheet resistances. The influence of the thickness of an additional dry thermal silicon dioxide (SiO2) to passivate the surface of the B-BSF is also investigated. The passivation quality is compared in two experiments: First Si lifetime samples with boron (B) emitter are passivated and their emitter saturation current densities (J0E) are determined with quasi-steady-state photoconductance (QSSPC) measurements after every process step. Secondly large area bifacial solar cells with different base doping are processed. The cell parameters are determined by illuminated current-voltage (IV) characteristics and the effective minority charge carrier diffusion lengths (Leff) are calculated with a model [1] using the internal quantum efficiencies (IQE) from spectral response measurements. The optimum B-BSF sheet resistance for the bifacial cell concept used is found to be 60 Ohm/sq. The optimum value of the thickness of the SiO2 layer for additional surface passivation is found to be in the range of 19- 30 nm dependent on the base doping.</dcterms:abstract>
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    <dcterms:bibliographicCitation>First publ. in: Proceedings of the 24th European Photovoltaic Solar Energy Conference, September 2009, Hamburg. München : WIP - Wirtschaft und Infrastruktur, 2009, pp. 1544-1547</dcterms:bibliographicCitation>
    <dc:contributor>Ebert, Stefanie</dc:contributor>
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    <dc:creator>Gloger, Sebastian</dc:creator>
    <dc:contributor>Gloger, Sebastian</dc:contributor>
    <dc:creator>Hahn, Giso</dc:creator>
    <dc:creator>Ebert, Stefanie</dc:creator>
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    <dcterms:issued>2009</dcterms:issued>
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    <dcterms:title>Investigation of the back side passivation layer of screen printed bifacial silicon solar cells</dcterms:title>
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    <dc:contributor>Raabe, Bernd</dc:contributor>
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