Modelling luminescent coupling in multi-junction solar cells: perovskite silicon tandem case study

Phillip Manley; Martin Hammerschmidt; Lin Zschiedrich; Klaus Jäger; Christiane Becker; Sven Burger

doi:10.1117/12.3023941

18 June 2024 Modelling luminescent coupling in multi-junction solar cells: perovskite silicon tandem case study

Phillip Manley, Martin Hammerschmidt, Lin Zschiedrich, Klaus Jäger, Christiane Becker, Sven Burger

Proceedings Volume 13014, Photonics for Solar Energy Systems X; 1301404 (2024) https://doi.org/10.1117/12.3023941
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

Luminescent coupling is a characteristic of multi-junction solar cells which has often been neglected in models of their performance. The effect describes the absorption of light emitted from a higher band gap semiconductor by a lower band gap semiconductor. In this way, light which might have been lost can be utilized for current generation. We present a framework for modeling this effect in both planar layer stacks and devices with periodic nanostructuring. As a case study, we evaluate how luminescent coupling is affected by the inclusion of nanostructuring in a perovskite silicon tandem solar cell. We find that nanostructuring, while reducing the reflection loss for tandem solar cells also reduces the luminescent coupling, allowing more light to be emitted to the surroundings, when compared to planar devices. This highlights the need to include modeling of this effect into optimization schemes in order to find the trade-off between these two effects.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Phillip Manley, Martin Hammerschmidt, Lin Zschiedrich, Klaus Jäger, Christiane Becker, and Sven Burger "Modelling luminescent coupling in multi-junction solar cells: perovskite silicon tandem case study", Proc. SPIE 13014, Photonics for Solar Energy Systems X, 1301404 (18 June 2024); https://doi.org/10.1117/12.3023941

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