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IVAM Microtechnology Network
The EU-funded LUMINOSITY project unites 15 research and industry partners from nine European countries to advance the development of large-area, industrially viable perovskite solar cells on flexible substrates. This initiative aims to deliver environmentally friendly and economically scalable photovoltaic solutions for the future.
A significant contribution comes from the Fraunhofer Institute for Electron Beam and Plasma Technology FEP, which is leveraging its expertise in anodic arc evaporation. This advanced deposition technique utilizes a specialized electron source (hollow cathode arc discharge) to achieve precise and gentle deposition of functional materials. Notably, the institute has successfully applied this method to deposit tin oxide and cesium iodide—critical materials for protective and functional layers in perovskite solar cells.
The anodic arc evaporation process offers several advantages, including high material purity and the ability to finely tune layer properties. Its modular design facilitates scalability, making it particularly suitable for roll-to-roll (R2R) processing—a crucial factor for the industrial production of flexible photovoltaic modules.
The successful deposition of cesium iodide also opens the possibility of using this technique for the active perovskite semiconductor layer, bringing the prospect of a fully plasma-based manufacturing process for this new generation of solar cells closer to reality.
The LUMINOSITY project will be showcased at the upcoming pro flex conference on May 6 and 7, 2025, at Fraunhofer FEP in Dresden. Herbert Lifka from HyET Solar will present on "Scaling up a Roll to Roll line for flexible PV-modules." Following the conference, the project consortium will convene to discuss initial results after the first year and plan the next steps toward commercialization.
Launched in June 2024, LUMINOSITY is a four-year project funded under the EU's Horizon Europe program. Coordinated by the Netherlands Organization for Applied Scientific Research (TNO), the consortium includes esteemed research institutions, universities, and innovative companies from the photovoltaic sector.
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