Scale-Up and Durability of Perovskite-Based Mesoscopic Solar Cells

Timothy Lee^a, Taro Sumitomo^a, Geoffrey Munyeme^a, Paul Murray^a, Francis Au^a, Dongchuan Fu^a, Celeste Choo^a, Jakub Mazurkiewicz^a, Michael Horsley^a, Nancy Jiang^a, Andy Thein^a, Olivier Bellon^a, Damion Milliken^a, Kristen Tandy^a, Hans Desilvestro^b, James Farnell^b

^aDyesol, 3 Dominion Place, Queanbeyan, 2620, Queanbeyan East, Australia

^bGreatcell Solar S.A., Route Cantonale, Lausanne, Switzerland

International Conference on Hybrid and Organic Photovoltaics
Proceedings of International Conference on Hybrid and Organic Photovoltaics 2015 (HOPV15)

Roma, Italy, 2015 May 11th - 13th

Organizer: Filippo De Angelis

Oral, Paul Murray, presentation 155
Publication date: 5th February 2015

Perovskite-based mesoscopic and other hybrid solar cells have attracted enormous attention from academic and industrial researchers due to their high power conversion efficiency, low cost, and high performance under diffuse and non-ideal light conditions. However, despite these promising aspects, there are still a number of challenges which need to be resolved, such as process scale-up, in order to achieve commercial viability of perovskite solar cells. Most academic laboratory cells use ALD, spray pyrolysis, spin coating or vacuum evaporation as the deposition techniques, which would be cumbersome or expensive at the industrial level. Dyesol has developed a series of scalable processes and techniques for scale-up of perovskite solar cells, including screen printing compact TiO₂ blocking layers, screen printing meso-porous TiO₂ scaffold films (~350 nm), slot die deposition of methylammonium lead iodide and slot die deposition of hole transport material. All these techniques gave uniform and consistent devices with promising performance. Scale-up to larger area modules will be discussed and performance data presented. Dyesol investigated the factors that influence the stability of standard perovskite solar cells and carbon/perovskite solar cells, including: storage environment, temperature, light soaking spectrum, and encapsulation. Preliminary results will be presented and discussed in terms of degradation mechanisms.

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International Conference on Hybrid and Organic Photovoltaics

International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.

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