@article{Herguth2018-09Detai-43183,
  year={2018},
  doi={10.1109/JPHOTOV.2018.2850521},
  title={A Detailed Study on Light-Induced Degradation of Cz-Si PERC-Type Solar Cells : Evidence of Rear Surface-Related Degradation},
  number={5},
  volume={8},
  issn={2156-3381},
  journal={IEEE Journal of Photovoltaics},
  pages={1190--1201},
  author={Herguth, Axel and Derricks, Christian and Sperber, David}
}

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    <dc:creator>Derricks, Christian</dc:creator>
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    <dc:creator>Herguth, Axel</dc:creator>
    <dc:contributor>Herguth, Axel</dc:contributor>
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    <dc:creator>Sperber, David</dc:creator>
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    <dcterms:title>A Detailed Study on Light-Induced Degradation of Cz-Si PERC-Type Solar Cells : Evidence of Rear Surface-Related Degradation</dcterms:title>
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    <dc:contributor>Sperber, David</dc:contributor>
    <dcterms:abstract xml:lang="eng">A light-induced degradation phenomenon of unknown origin in p-type Cz-Si passivated emitter and rear cell (PERC)-type solar cells is thoroughly investigated by collating results from different measurement techniques and predictions from various simulations. The observed degradation manifests in slight losses in j&lt;sub&gt;sc&lt;/sub&gt;, strong losses in V&lt;sub&gt;oc&lt;/sub&gt;, and devastating losses in FF, and thus massively impacts efficiency. It is found that the series resistance degrades significantly due to a degradation of front contact resistance. This, however, does not explain losses in V&lt;sub&gt;oc&lt;/sub&gt; and j&lt;sub&gt;sc&lt;/sub&gt;, which are attributed to the degradation of a different cell component. Neither a degradation by defect formation in the space charge region, nor the emitter, nor the bulk is found to consistently explain the observations. Only a rear surface-related degradation mechanism explains consistently all experimental findings.</dcterms:abstract>
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