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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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Heo, Youn-Jung
in Cooperation with on an Cooperation-Score of 37%
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document
Reliability improvement of perovskite solar cells from roll-to-roll (R2R) continuous process
Abstract
A groundbreaking breakthrough with a power conversion efficiency (PCE) over 22% has been achieved for perovskite solar cells (PSCs) on a laboratory scale (1).To successfully translate this technology to commercial scaling, the engagement with industrial compatible processing methods must be used. Through this, more information is gathered during the development stage in catalysing the commercialization.Among the reported scalable coating methods such as screen printing, spray-coating and doctor-blade, slot-die coating in conjunction with R2R processes present several advantages, including low material waste, fast processing, good film thickness control and one-dimensional patterning suitable for the processing of serially interconnected cells without the need for substantial patterning process (2). However, to achieve reliable, large grain size, pin-hole free, smooth films over a continuous process in commercially acceptable scale remains a great challenge. In this talk, we will present an innovative approach to enable the production of much smoother film with substantially improved devices reproducibility, and this approach is readily to be adopted by the existing printers in large scale coating. The correlation between the precursor composition and the complex coordination embodies a range of parameters including concentration, web speed, solution feeding rate as well as substrate temperature for the fabrication of high quality films, which will be discussed. The paralleled performance comparison of the same device structures made using slot-die batch-to-batch on glass substrate will also be presented.Reference:(1) W.S. Yang, B.-W. Park, E.H. Jung, N.J. Jeon, Y.C. Kim, D.U. Lee, S.S. Shin, J. Seo, E.K. Kim, J.H. Noh, S.I. Seok, Science 356 (2017) 1376–1379. (2) C. Zuo, D. Vak, D. Angmo, L. Ding, M. Gao.Nano Energy 46 (2018) 185–192.