Proceedings of International Conference on Perovskite Thin Film Photovoltaics, Photonics and Optoelectronics (ABXPV18PEROPTO)
DOI: https://doi.org/10.29363/nanoge.abxpvperopto.2018.083
Publication date: 11th December 2017
Over the last few years perovskite solar cells (PSCs) have attracted a considerable amount of research and record efficiency has then been quickly increasing. Performance well over 20% are now achieved, but yet, a number of challenges are still to be met to ensure a bright industrial future for PSCs. Significantly improving device active area while maintaining similar power conversion efficiency is probably one of the most important.
The main focus of this work is to provide new processing routes towards the large scale fabrication of efficient and stable solar modules.
When going from cells to modules there are a variety of challenges one has to consider to build efficient devices: the serial association of the multiple cells (and hence the presence of so-called “interconnection or dead” areas that do not actually contribute to the power conversion) ; the resistive power losses associated with the geometrical design ; the layers homogeneity of the stack over larger areas (encompassing processing & drying / curing issues).
Building up on a process enabling single cells with efficiencies greater than 12%, we propose to present our current advances in development of laser structured modules. Different laser-patterned structures, materials and coating processes were investigated. Opportunities, challenges, issues and performances will be discussed with the support of different electrical and optical characterization techniques such as contact resistance measurements, microscopies and power losses calculations.
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