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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 51: Hybrid and Perovskite Photovoltaics III

CPP 51.4: Vortrag

Donnerstag, 30. März 2023, 15:45–16:00, GÖR 226

Post-Flight Analysis of Space-Probed Perovskite and Organic Solar Cells by Means of Grazing-Incidence X-Ray-Scattering — •Lennart Klaus Reb¹, Michael Böhmer¹, Benjamin Predeschly¹, Sebastian Grott¹, Christian Ludwig Weindl¹, Goran Ivkovic Ivandekic¹, Renjun Guo¹, Lukas Viktor Spanier¹, Christoph Dreißigacker², Jörg Drescher², Roman Gernhäuser¹, Andreas Meyer², and Peter Müller-Buschbaum^1,3 — ¹TU München, Garching, DE — ²Deutsches Zentrum für Luft- und Raumfahrt (DLR), Köln, DE — ³Heinz Maier-Leibnitz-Zentrum, Garching, DE

Thin-film perovskite and organic solar cells exhibit an exceptional power per mass that makes them particularly interesting for space applications. Recently, we launched perovskite and organic solar cells into space on a suborbital rocket flight for the first time [1, 2]. The rocket experiment enables post-flight characterization of the space-probed solar cells, based on Grazing-Incidence Small-Angle and Wide-Angle X-ray Scattering (GISAXS/GIWAXS) to investigate morphological and structural changes in the active layers. The morphology is altered slightly by the space flight and environmental conditions before and after the rocket launch; interestingly, the sole solar cell transport in nitrogen environment modified their active layers compared to the reference solar cells. The crystalline phase, however, does not reveal changes in any solar cell type. [1] L. Reb et al., Joule 4,1880-1892 (2020), doi.org/10.1016/j.joule.2020.07.004. [2] L. Reb et al., Rev. Sci. Instrum. 92 (2021), doi.org/10.1063/5.0047346.