From Laboratory Discovery to Scalable Manufacturing: Printing and Coating Strategies for Perovskite Photovoltaics within the Solar TAP Initiative
Florian Mathies a, Lennart Reb a, Janardan Dagar a, Arun Kumar a, Alejandra Florez a, Eva Unger a b
a Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany
b Humboldt University Berlin, Department of Chemistry and CSMB, Zum Großen Windkanal 2, 12489 Berlin, Germany.
Proceedings of MATSUS Fall 2026 Conference (MATSUSFall26)
D3 Next-Generation Processing Strategies for Emerging Semiconductor Technologies
Palma, Spain, 2026 October 26th - 30th
Organizers: Martyn Mclachlan and Julianna Panidi
Invited Speaker, Florian Mathies, presentation 230
Publication date: 22nd July 2026

Metal halide perovskite photovoltaics have reached remarkable power conversion efficiencies; however, their commercial deployment critically depends on replacing laboratory-scale fabrication with robust, scalable manufacturing processes. Among solution-processing techniques, slot-die coating and inkjet printing offer highly attractive pathways towards industrial production owing to its compatibility with continuous processing, low material waste, and large-area manufacturing. Nevertheless, successful implementation requires a detailed understanding of the interplay between ink formulation, coating dynamics, substrate engineering, drying kinetics, and interface formation.

This presentation will provide an overview of the printing and coating activities at the Helmholtz-Zentrum Berlin (HZB) carried out within the Helmholtz Technology Acceleration Platform Solar TAP, whose mission is to accelerate the transfer of emerging photovoltaic technologies from laboratory research to industrial implementation. The talk will illustrate how scalable process development is combined with close collaboration between academia, equipment manufacturers, material suppliers, and industrial end users to establish manufacturing-ready processes for printed photovoltaics. Recent achievements include scalable deposition of functional transport layers, optimization of perovskite absorber coating, process monitoring, and the translation of laboratory concepts to large-area devices and mini-modules [1,2,3]. Furthermore, examples of industrial training, technology transfer, and collaborative process development will demonstrate how shared infrastructure and application-driven research can significantly shorten the lab-to-fab cycle.

By highlighting both the scientific challenges of perovskite processing and the innovation ecosystem established through Solar TAP, this presentation will discuss how scalable coating technologies, standardized process development, and interdisciplinary collaborations are enabling the next generation of high-performance, manufacturable perovskite solar cells and modules.

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