Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV22)
DOI: https://doi.org/10.29363/nanoge.hopv.2022.129
Publication date: 20th April 2022
Multi-junction all-perovskite solar cells hold a great promise for reaching record high power conversion efficiency values. Additionally, the employment of flexible substrates provides attractive new functionalities, opening many new commercial exploitation routes. The present state-of-the-art of the flexible perovskite tandem devices is limited to very small areas, and non-scalable fabrication methods. Here, the development of large-area blade-coating of wide- and narrow-bandgap perovskite photoactive layers on flexible substrates is reported. Optimized sub-junctions are assembled into the 4-terminal tandem solar modules, delivering 15.3% efficiency for the 50 cm2 active area. Applied surface modification strategies and interfacial engineering for both perovskite sub-modules, together with the robust flexible encapsulation, delivers promising reliability results, achieved in different indoor and outdoor aging tests.
This project was funded by the European Union’s Horizon 2020 MSCA Innovative Training Network (Grant 764787), the Foundation of Polish Science (First TEAM/2017-3/30), and the National Centre for Research and Development (POIR.01.02.00- 00-0309). We acknowledge the research team at Saule Technologies for their support.
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International Conference on Hybrid and Organic Photovoltaics
International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.
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