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Monitoring of Si-solar cell degradation with electroluminescence

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2016

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Mchedlidze, Teimuraz
Weber, Jörg

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https://doi.org/10.1016/j.solmat.2016.05.008
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Solar Energy Materials and Solar Cells. 2016, 155, pp. 38-42. ISSN 0927-0248. eISSN 1879-3398. Available under: doi: 10.1016/j.solmat.2016.05.008

Zusammenfassung

Monitoring of the intensity of band-to-band electroluminescence (EL) from B-doped Cz-Si solar cells allowed reliable detection of their degradation under forward bias. Degradation related changes in the open circuit voltage for a cell can be well estimated from the related changes in the EL-intensity value under fixed forward current flow. Kinetics of the degradation could be accessed from the time-dependence of EL-intensity changes. The method of monitoring of the degradation process is fully applicable to the cells with complicated structure, e.g. cells with passivated emitter rear contact (PERC). Comparison of degradation process in standard and PERC solar cells indicated on faster and more severe degradation in PERC cells.

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ISO 690MCHEDLIDZE, Teimuraz, Axel HERGUTH, Jörg WEBER, 2016. Monitoring of Si-solar cell degradation with electroluminescence. In: Solar Energy Materials and Solar Cells. 2016, 155, pp. 38-42. ISSN 0927-0248. eISSN 1879-3398. Available under: doi: 10.1016/j.solmat.2016.05.008
BibTex
@article{Mchedlidze2016Monit-37297,
  year={2016},
  doi={10.1016/j.solmat.2016.05.008},
  title={Monitoring of Si-solar cell degradation with electroluminescence},
  volume={155},
  issn={0927-0248},
  journal={Solar Energy Materials and Solar Cells},
  pages={38--42},
  author={Mchedlidze, Teimuraz and Herguth, Axel and Weber, Jörg}
}
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