Masterclasses | Track 1
Masterclasses | Track 2
Masterclasses | Track 3
9:00AM
Stable and efficient architectures for perovskite solar modules and tandems
Tom Aernouts
imec
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 up to 27%. 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.
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 surpassing 35% PCE have been reported. New challenges arise when this needs to be upscaled to full wafer or module size.
The challenges ahead to scale up perovskite PV technology to full modules and large area tandems, suitable for long term outdoor use, will be discussed.
10:00 AM
Printing Perovskite Solar Modules using S2S and R2R processes
Trystan Watson
Swansea University
The transition of perovskite photovoltaics from the laboratory to industrial production relies on mastering scalable manufacturing techniques. While high-efficiency devices can be routinely achieved on small areas, the challenge is to reproduce these results over large substrates and continuous roll to roll processing. This masterclass will focus on the journey from sheet-to-sheet to roll-to-roll slot-die printing of perovskite solar cells and modules, with emphasis on the practical engineering issues encounterd including controlling film uniformity during coating and drying, achieving interconnection, mitigating defects that arise at larger scales, and managing environmental stability during processing. Drawing on recent examples from Swansea , I will discuss how these challenges are being addressed in practice and how they influence device behaviour.
11:00 AM
Slot Die Coating: Principles and Practice Towards Mass Production
Matteo Iacomini
Coatema
The basics of slot die coating:
-The different types of slot die coating and the application areas
-Theory of slot die coating
-Parameters to take into account, like cavity, rheology, surface tension and more (this is a longer part)
-Simulation of slot die coating
-How to find the coating window to operate a slot die
-Slot die Hands on (we would bring a few slot dies with us and our new tabletop coater #smallbutmighty and would do live coatings
-What else is important, like coating stand, integration in to a coating line
-Summary
-Q&A session
12:00 PM
Towards Non-Toxic and Sustainable Materials in Perovskite Photovoltaics
Manuel Gensler / Fabian Loepthien
Fraunhofer IAP
Perovskite solar cells offer a promising path toward affordable, efficient solar energy. To move from the lab to large-scale application, sustainability challenges must be addressed. This masterclass will explore how greener materials and processes can enhance the sustainability of perovskite solar cells. Specifically, it will focus on lead-free perovskites and environmentally friendly solvents. You will learn how innovations in sustainable materials can reduce environmental impact while maintaining high performance, enabling scalable and responsible production.
The session will also provide practical insights into the importance of encapsulation in enhancing the stability of perovskite solar cells. It will highlight strategies for integrating robust encapsulation methods that protect the cells from environmental factors while ensuring optimal performance.
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