Note on the interpretation of electroluminescence images using their spectral information |
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| Authors: | Thomas Kirchartz Anke Helbig |
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| Affiliation: | a IEF5-Photovoltaik, Forschungszentrum Jülich, 52425 Jülich, Germany
b Institut für Physikalische Elektronik, Universität Stuttgart, 70569 Stuttgart, Germany |
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| Abstract: | We show how to use the reciprocity between electroluminescence and solar cell quantum efficiency for the simulation and interpretation of electroluminescence images. The analysis of the spectral properties of the electroluminescence images obtained by using different short- and long-pass filters yields information about surface recombination velocity, bulk diffusion length and reflection of the back side in flat and textured solar cells. |
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| Keywords: | Luminescence Reciprocity LED Quantum efficiency |
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