Technology Development for Up-Scalable Manufacturing of Perovskite Solar Cells
Ronn Andriessen a, Ike de Vries a, Harrie Gorter a, Fieke van den Bruele a, Herbert Lifka a, Francesco Di Giacomo a, Santhosh Shanmugam a, Henri Fledderus a, Yulia Galagan a, Sjoerd Veenstra b, Maarten Dorenkamper b, Wiljan Verhees b
a Holst Centre – Solliance, High Tech Campus 21, 5656 AE, Eindhoven, Netherlands
b ECN – Solliance, High Tech Campus 21, 5656 AE, Eindhoven, Netherlands
Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics
Proceedings of International Conference Asia-Pacific Hybrid and Organic Photovoltaics (AP-HOPV17)
Yokohama-shi, Japan, 2017 February 2nd - 4th
Organizers: Tsutomu Miyasaka and Iván Mora-Seró
Oral, Yulia Galagan, presentation 093
Publication date: 7th November 2016

The interest to Perovskite Solar Cells (PSC) is drastically increased in the last few years. A certified record efficiency of PSC has already reached 22.1% making this solar cells technology competitive with traditional silicon technologies. High power conversion efficiency (PCE) and low-cost potential are making PSC very promising candidate for the future application. The main obstacle towards commercialization of PSC technology is a lack of commercially and environmentally viable fabrication process of large-area modules. Therefore our research group focuses on the technology development for up-scalable manufacturing of perovskite solar cells. The first step toward Roll-to-Roll (R2R) processing is a substitution of spin-coating by slot die coating process that at first glance seems to be a straightforward step. However, crystallization kinetics of perovskite is completely different for these two deposition methods. Moreover, solvents used for the lab-scale manufacturing are not always compatible with R2R manufacturing. Furthermore, typical post treatment tricks, used for fast nucleation and controlled crystallization of the perovskite require adaptation for fast R2R process. We will present our progress on this topic, which includes solvent selection and control of the crystallization kinetics of perovskite layer deposited from “green” solvents. The latest developments allowed us to produce the slot die coated devices with the efficiencies identical to spin-coated devices. The work on large area modules shows the 6” modules (active area of 168 cm2) with 10% PCE using slot die coating process and laser interconnection technologies. Furthermore, in order to reach R2R deposition of all functional layers in the device stack, a novel non-vacuum thin film deposition technology - spatial Atomic Layer Deposition (sALD) is investigated. The first experiments on the replacement of e-beam deposited TiO2 by the sALD deposited layer demonstrate promising results. The latest achievements on the technology development for up-scalable manufacturing of perovskite solar cells will be discussed. Our achievements are the first solid steps towards up-scaling and future commercialization of PSC technology.

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