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SKM 2023 – scientific programme

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 51: Hybrid and Perovskite Photovoltaics III

CPP 51.1: Talk

Thursday, March 30, 2023, 15:00–15:15, GÖR 226

Slot-die coating of nanocrystal and bulk perovskite thin films for photovoltaics — •Manuel A. Reus1, Ahmed Krifa1, David P. Kosbahn1, Quinten A. Akkerman2, Alexander Biewald3, Lennart K. Reb1, Matthias Schwartzkopf4, Andrei Chumakov4, Stephan V. Roth4, Achim Hartschuh3, Jochen Feldmann2, and Peter Müller-Buschbaum1,51TUM School of Natural Sciences, Chair for Functional Materials, Garching — 2Nano-Institut München und Fakultät für Physik, LMU München — 3Department Chemie und CeNS, LMU München — 4DESY, 22607 Hamburg — 5MLZ, TUM, Garching

Thin-film solar cells might offer large-scale and cheap production with highly tunable properties, e.g., semi-transparency, color, thickness, or flexibility. Slot-die coated nanocrystal and bulk hybrid perovskite thin films are significant for high-efficiency next-generation solar cell absorber materials. In this work, we show the feasibility of creating high-quality thin films of this material class by the easily scalable and roll-to-roll compatible deposition method of meniscus-guided slot-die coating. We use time-resolved grazing-incidence X-ray scattering to investigate the crystal structure, texture, and morphology of the printed thin films. We track the printing process in real-time and extract parameters describing the quality and kinetics of the printing process. We also present solar cell data with perovskite absorber layers printed from colloidal hybrid perovskite nanocrystal solution.

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