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CPP: Fachverband Chemische Physik und Polymerphysik
CPP 17: Poster Session I
CPP 17.29: Poster
Monday, March 27, 2023, 18:00–20:00, P3
Flash-lamp processing of charge extraction layers for polymer solar cells — •Aurelien Sokeng Djoumessi1,2, Jose Prince Madalaimuthu1,2, Shahidul Alam1,2,3, Aman Anand1,2, Anastasia Sichwardt1,2, Peter Fischer4, Roland Rösch1,2, Ulrich S. Schubert1,2, and Harald Hoppe1,2 — 1Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldstrasse 10, 07743 Jena, Germany — 2Center for Energy and Environmental Chemistry Jena (CEEC Jena), Friedrich Schiller University Jena, Philosophenweg 7a, 07743 Jena, Germany — 3King Abdullah University of Science and Technology (KAUST), KAUST Solar Center (KSC), Physical Sciences and Engineering Division (PSE), Material Science and Engineering Program (MSE), Thuwal 23955-6900, Kingdom of Saudi Arabia — 4Institute of Materials Engineering, Technical University of Ilmenau, Gustav-Kirchhoff-Str. 6, 98693 Ilmenau, Germany
Despite the benefits of thermal annealing (TA) in the fabrication of polymer solar cells, the high processing temperatures are not compatible with high throughput manufacturing techniques such as roll-to-roll, which commonly used flexible substrates. Therefore, techniques such as flash lamp annealing (FLA), which do not negatively affect the plastic substrate are needed. Herein, the FLA was successfully applied to PEDOT:PSS and SnO2 films used as interfacial layers in PM6:Y6-based solar cells, yielding device performances comparable to or even better than the devices treated with TA on a hotplate. Even at prototype size, the FLA is clearly more energy-efficient than the TA.