Publication date: 28th August 2024
To realize the large-scale production and commercialization of perovskite solar cells, development of scalable and sustainable manufacturing processes is required. Various large-area deposition methods such as blade-coating, slot-die coating, spray-coating and ink-jet printing have been reported as viable options for perovskite solar cell fabrication [1], [2]. Gravure printing as a deposition method offers an appealing alternative due to the high processing speed and possibility for “patterning by deposition” [3].
In this work, the development and optimization of the rheological and corresponding optoelectrical properties of gravure printing inks are presented. The tuning of commercial tin-oxide (SnO2) nanoparticle inks for electron transporting layers in a n-i-p architecture is described. Also, the optimization of the perovskite inks with variable polymer additives is specifically addressed. As the performance of the printed PCSs is improved with material, ink, and process tuning, so will the opportunities for system integration and exploitation. In this work, in addition to the perovskite solar cell developments, the recent achievements in variable applications where the integration of flexible perovskite devices is required, is introduced [4].
This research has received funding from the European Union’s Horizon 2020 research and innovation program under grant agreement no.861985 (PeroCUBE), from Horizon Europe Research and Innovation Action programme under Grant Agreement nº 101082176 (VALHALLA), European Union’s Horizon Europe research and innovation programme under grant agreement No. 101122283 (PEARL), Research Council of Finland Flagship Programme, Photonics Research and Innovation (PREIN), decision number 346545 and Research Council of Finland, Printed intelligence infrastructure funding, decision 358621.
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