Presentation + Paper
1 October 2023 Aging and characterization of high-bandgap perovskites for all thin-film tandem solar cell devices
Author Affiliations +
Abstract
Perovskite solar cells are ideal candidates for tandem solar cell technologies thanks to their bandgap tunability and high efficiency, but their stability needs to be improved for commercial applications. The operational stability of encapsulated PSCs with wide bandgaps suitable for regular and bifacial tandems was tested with 1-sun illumination and at different temperatures. For all temperatures, the decay in performance is due to a drop in current at MPP conditions, and XRD shows perovskite decomposition. Interestingly, open-circuit-voltage-decay measurements reveal a higher ion concentration for the degraded device, which correlates with the drop in current.
Conference Presentation
(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
Antonio Cabas Vidani, Sandra Jenatsch, Radha Kothandraman, Fan Fu, Arno Gadola, Simon Zuefle, and Beat Ruhstaller "Aging and characterization of high-bandgap perovskites for all thin-film tandem solar cell devices", Proc. SPIE 12660, Organic, Hybrid, and Perovskite Photovoltaics XXIV, 1266006 (1 October 2023); https://doi.org/10.1117/12.2676914
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KEYWORDS
Perovskite

Ions

Solar cells

Tandem solar cells

Photovoltaics

Thermal stability

Stress analysis

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