Efficient Structures And Processes for Upscaling of Perovskite Modules and Tandems
Tom Aernouts a b c
a imo-imomec, imec, Thor Park 8320, Genk, 3600, Belgium.
b imo-imomec, Hasselt University, Martelarenlaan 42, Hasselt, 3500, Belgium
c imo-imomec, EnergyVille, Thor Park 8320, Genk, 3600, Belgium
NIPHO25
Proceedings of International Conference on Perovskite Thin Film Photovoltaics and Perovskite Photonics and Optoelectronics (NIPHO25)
Cagliari, Italy, 2025 June 9th - 10th
Organizers: Giulia Grancini, Daniela Marongiu and Aldo Di Carlo
Invited Speaker, Tom Aernouts, presentation 016
Publication date: 24th April 2025

The unprecedented fast rise of power conversion efficiency (PCE) of perovskite-based solar cells (PSC) in recent years has created a vast worldwide research activity in this material class for photovoltaic and other opto-electronic applications. Several materials compositions and device architectures have been described and best reported PCE’s yield recently more than 26%. Also improved stability under specific conditions has been shown for specific architectures. Whereas all these results indicate a high potential for this novel solar technology, further steps must be taken to convince industry and even the whole PV community that perovskite-based photovoltaics can really emerge from the lab into industrially applicable solar module processing. Our R&D program works actively on the upscaling of perovskite solar modules with scalable processes up to sizes of 35x35 cm2.

Similarly, the perovskite PV technology has boosted the tandem research whereby perovskite cells and modules are placed on top of other PV devices like Si or CIGS solar cells. Impressive lab scale results exceeding 34% PCE have been reported. New challenges arise when this needs to be upscaled to full wafer or module size. It will be discussed how we approach these challenges.

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