Outdoor photoluminescence of large area photovoltaic modules

Bernd Doll; Johannes Hepp; Mathis Hoffmann; Florian Talkenberg; Renè Schüler; Manuel Baier; Claudia Buerhop-Lutz; Dirk Tegtmeyer; Ian Marius Peters; Jens Hauch; Christoph J. Brabec

doi:10.1117/12.2593894

1 August 2021 Outdoor photoluminescence of large area photovoltaic modules

Bernd Doll, Johannes Hepp, Mathis Hoffmann, Florian Talkenberg, Renè Schüler, Manuel Baier, Claudia Buerhop-Lutz, Dirk Tegtmeyer, Ian Marius Peters, Jens Hauch, Christoph J. Brabec

Author Affiliations +

Proceedings Volume 11809, Organic, Hybrid, and Perovskite Photovoltaics XXII; 118091C (2021) https://doi.org/10.1117/12.2593894
Event: SPIE Organic Photonics + Electronics, 2021, San Diego, California, United States

Conference Poster

Abstract

Cost-effective, fast, and non-destructive, on-site photovoltaic (PV) characterization methods are of interest to PV operators to determine countermeasures against defects causing power loss or against safety problems. Combining the advantages of both methods electroluminescence (EL) and thermography is photoluminescence (PL). With our PL setup, we achieved high resolution luminescence images of large area PV modules without any physical and electrical contact. Defects are recognizable with a high rate compared to indoor EL images at controlled conditions. We analyzed inactive areas, cracks, potential induced degradation, snail trails, EVA degradation, and interconnection failures and compared the PL images with different characterization methods.

Conference Presentation

Citation Download Citation

Bernd Doll, Johannes Hepp, Mathis Hoffmann, Florian Talkenberg, Renè Schüler, Manuel Baier, Claudia Buerhop-Lutz, Dirk Tegtmeyer, Ian Marius Peters, Jens Hauch, and Christoph J. Brabec "Outdoor photoluminescence of large area photovoltaic modules", Proc. SPIE 11809, Organic, Hybrid, and Perovskite Photovoltaics XXII, 118091C (1 August 2021); https://doi.org/10.1117/12.2593894

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