Effect of luminescence coupling on EQE measurements of high efficiency multi-junction solar cells

Oliver Höhn; Patrick Schygulla; Ralph Müller; Michael Schachtner; David Chojniak; Gerald Siefer; David Lackner; Frank Dimroth

doi:10.1117/12.3022002

19 June 2024 Effect of luminescence coupling on EQE measurements of high efficiency multi-junction solar cells

Oliver Höhn, Patrick Schygulla, Ralph Müller, Michael Schachtner, David Chojniak, Gerald Siefer, David Lackner, Frank Dimroth

Author Affiliations +

Proceedings Volume PC13014, Photonics for Solar Energy Systems X; PC130140C (2024) https://doi.org/10.1117/12.3022002
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

As solar cells from direct semiconductors improve, i.e. become more radiative, luminescent coupling becomes more and more relevant. This has a strong impact on artifacts in EQE measurements of multi-junction solar cells, which e.g. is a challenge, when characterizing III-V//Si multi-junction solar cells. By measuring the response of these cells under varying illumination conditions, this effect can be understood and EQE measurements can be corrected.

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Citation Download Citation

Oliver Höhn, Patrick Schygulla, Ralph Müller, Michael Schachtner, David Chojniak, Gerald Siefer, David Lackner, and Frank Dimroth "Effect of luminescence coupling on EQE measurements of high efficiency multi-junction solar cells", Proc. SPIE PC13014, Photonics for Solar Energy Systems X, PC130140C (19 June 2024); https://doi.org/10.1117/12.3022002

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