期刊
MATERIALS TODAY ENERGY
卷 28, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.mtener.2022.101073
关键词
Perovskite solar cell; Tandem photovoltaics; Blade-coating; Encapsulation; Flexible substrate
资金
- European Union's Horizon 2020 MSCA Innovative Training Network [764787]
- Foundation of Polish Science [First TEAM/2017-3/30]
- National Center for Research and Development [POIR.01.02.00-00-0309]
Multijunction all-perovskite solar cells have great potential for achieving record high power conversion efficiency values, especially when using flexible substrates that provide new commercial exploitation routes. The current state-of-the-art for flexible perovskite tandem devices is limited to small areas and non-scalable fabrication methods. This study reports the development of large-area blade-coating of wide- and narrow-bandgap perovskite photoactive layers on flexible substrates, achieving high efficiency and promising reliability.
Multijunction 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 cm(2) 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. (C) 2022 Elsevier Ltd. All rights reserved.
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