Proceedings of MATSUS Spring 2025 Conference (MATSUSSpring25)
DOI: https://doi.org/10.29363/nanoge.matsusspring.2025.493
Publication date: 16th December 2024
Perovskite-organic tandem solar cells (P-O TSCs) are developing rapidly, igniting tremendous interest in the multijunction community. However, their efficiency still lags behind that of other counterparts, and their current operational stability remains underexplored. This presentation will give a brief introduction into organic based multijunction solar cells and then turn over to hybrid multijunction devices. Two key aspect will be addressed specifically. First, we demonstrate a simplified interconnection layer (ICL) without an additional charge recombination layer (CRL), achieving an average efficiency of 25.12% (with a champion device reaching 25.53%) for P-O TSCs. Second, we present a detailed investigation to uncover how the single-junction sub-cells of multi-junction cells mutually stabilize each other, which leads to excellent long-term lifespan of P-O TSCs, retaining over 91% of their initial performance after 1000 hours of continuous metal-halide lamp illumination without UV filters. Besides, we also highlight the durability of ICLs, providing insights for advancing future tandem configurations.
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