Monolithic perovskite/silicon tandems with >28% efficiency: role of silicon-surface texture on perovskite properties

0567054 - FZÚ 2024 RIV DE eng J - Článek v odborném periodiku
De Bastiani, M. - Jalmood, R. - Liu, J. - Ossig, C. - Vlk, Aleš - Vegso, K. - Babics, M. - Isikgor, F.H. - Selvin, A.S. - Azmi, R. - Ugur, E. - Banerjee, Swarnendu - Mirabelli, A.J. - Aydin, E. - Allen, T.G. - Rehman, A.U. - Van Kerschaver, E. - Siffalovic, P. - Stuckelberger, M.E. - Ledinský, Martin - De Wolf, S.
Monolithic perovskite/silicon tandems with >28% efficiency: role of silicon-surface texture on perovskite properties.
Advanced Functional Materials. Roč. 33, č. 4 (2023), č. článku 2205557. ISSN 1616-301X. E-ISSN 1616-3028
Grant CEP: GA MŠMT(CZ) LUASK22202
Výzkumná infrastruktura: CzechNanoLab - 90110
Institucionální podpora: RVO:68378271
Klíčová slova: perovskite * silicon tandem solar cells * silicon heterojunction solar cells * silicon texturing * current matching * silicon heterojunction solar cells
Obor OECD: Condensed matter physics (including formerly solid state physics, supercond.)
Impakt faktor: 19, rok: 2022
Způsob publikování: Omezený přístup
https://doi.org/10.1002/adfm.202205557

Textured silicon wafers used in silicon solar cell manufacturing offer superior light trapping, which is a critical enabler for high-performance photovoltaics. A similar optical benefit can be obtained in monolithic perovskite/silicon tandem solar cells, enhancing the current output of the silicon bottom cell. Yet, such complex silicon surfaces may affect the structural and optoelectronic properties of the overlying perovskite films. Here, through extensive characterization based on optical and microstructural spectroscopy, it is found that the main effect of such substrate morphology lies in an altering of the photoluminescence response of the perovskite, which is associated with thickness variations of the perovskite, rather than lattice strain or compositional changes. With this understanding, the design of high-performance perovskite/silicon tandems is rationalized, yielding certified power conversion efficiencies of >28%.
Trvalý link: https://hdl.handle.net/11104/0338788