KAUST & Fraunhofer ISE develop scalable tandem solar cell method

Fraunhofer ISE and KAUST replaced spin-coating with blade-coating in perovskite-silicon tandem cells, achieving 27.8% efficiency and enabling large-scale production.

By Prudhvi Rani 03 Jun 2025 in Tech Bytes

New Update

The hybrid blade-coating process from KAUST and Fraunhofer ISE has maintained uniform thickness while enhancing perovskite conversion efficiency. Image Source: Fraunhofer ISE

Researchers from KAUST and Fraunhofer ISE replaced spin-coating with blade-coating in a hybrid evaporation/blade-coating method to fabricate perovskite-silicon tandem solar cells. They achieved 27.8% efficiency and open-circuit voltages over 1900 mV. The two-step process involved evaporating inorganic components and blade-coating organic layers, enabling industrial scalability. The coating speed influenced the perovskite conversion rate but not layer thickness. Their work built on earlier experience with spin-coating and showed blade-coating could be transferred to scalable methods like slot-die coating. The study addressed challenges in moving from lab-scale spin-coating to mass production of high-efficiency tandem solar cells.

#TandemCells #PerovskiteSolar #KAUST #FraunhoferISE

Advertisment {'id': '683e99c47a741faf8939a71a', 'source_name': 'Fraunhofer ISE', 'source_link': 'https://www.ise.fraunhofer.de/en/press-media/news/2025/scalable-path-to-produce-perovskite-silicon-tandem-solar-cells.html#:~:text=In%20a%20%E2%80%9Chybrid%20route%E2%80%9D%20combining%20evaporation%20and%20blade-coating,production%20of%20this%20promising%20new%20solar%20cell%20technology', 'contact_name': '', 'contact_email': ''}

Advertisment

Scan to join our channel