Accelerating Ink Optimization of Solution-Processed Perovskite Modules

Eva Unger^a^,^b

^aHumboldt Universität zu Berlin, Department of Chemistry, Center for the Science of Materials Berlin, Zum Großen Windkanal 2, 12489 Berlin, Germany

^bHelmholtz-Zentrum Berlin für Materialen und Energie, Department Solution-Processing of Hybrid Materials and Devices, Albert-Einstein-Straße, 15, 12489 Berlin, Germany

Materials for Sustainable Development Conference (MATSUS)
Proceedings of MATSUS Spring 2024 Conference (MATSUS24)

#PerFut24 - The Future of Metal Halide Perovskites: Fundamental Approaches and Technological Challenges

Barcelona, Spain, 2024 March 4th - 8th

Organizers: Annalisa Bruno, Iván Mora-Seró and Pablo P. Boix

Invited Speaker, Eva Unger, presentation 455
DOI: https://doi.org/10.29363/nanoge.matsus.2024.455
Publication date: 18th December 2023

Halide Perovskite Photovoltaics are on the brink of commercialization and after having achieved high performance, the stability, scalability, and sustainability of the technology are now the most important technological challenges to overcome. Halide perovskites being versatile in terms of their processability, there are many options for the development of scalable processing technology. Solution processing based on slot-die coating and inkjet printing are two promising options with their respective design advantages and opportunities.

The development of precursor inks that allow reliable and sustainable processing is one of the most important challenges we are tackling. Our team's current efforts in this domain focus on three major aspects:

Accelerated ink and process optimization by combinatorial processing approaches: We are employing innovative combinatorial processing techniques based on inkjet printing and slot-die coating to expedite the optimization of precursor inks and associated manufacturing processes.

Exploration of Green Solvent Alternatives with Extended Ink Shelf-Life: In our commitment to sustainability, we are investigating environmentally friendly solvent alternatives. Our focus extends beyond performance considerations to include the development of green solvents that not only meet performance standards but also contribute to an extended ink shelf-life. This dual emphasis on performance and longevity is crucial for practical implementation and large-scale production.

Collaborative Data Management: Based on ongoing efforts of the PerovskiteData base Project, we are introducing Research Data Management Tools that can easily be adapted and multiplied by the entire research community. This collaborative approach facilitates efficient decision-making and accelerates the iterative optimization process.

By addressing these challenges head-on, our research aims to contribute to the acceleration of the deployment and utilization of Perovskite Photovoltaics for power generation.

References:

[1] J. Li et al., “Combinatorial slot-die coating for high-throughput compositional screening of perovskite solar cells”

[2] H. Näsström et al., “Combinatorial inkjet printing for compositional tuning of metal-halide perovskite thin films,” J. Mater. Chem. A, 10, p. 4906-4914, 2022

[3] J. Jacobsson et al., “An open-access database and analysis tool for perovskite solar cells based on the FAIR data principles,” Nat. En., vol. 7, pp. 107-115, 2022

Acknowledgements:

This work is funded by the German BMBF (project HyPerFORME) and HGF (project SHINE).

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