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Scribing Method for Carbon Perovskite Solar Modules

SPECIFIC, College of Engineering, Bay Campus, Swansea University, Swansea SA1 8EN, UK
Author to whom correspondence should be addressed.
Energies 2020, 13(7), 1589;
Received: 10 March 2020 / Revised: 24 March 2020 / Accepted: 26 March 2020 / Published: 1 April 2020
(This article belongs to the Special Issue Highly Efficient and Stable Hybrid Perovskite Solar Cells)
The fully printable carbon triple-mesoscopic perovskite solar cell (C-PSC) has already demonstrated good efficiency and long-term stability, opening the possibility of lab-to-fab transition. Modules based on C-PSC architecture have been reported and, at present, are achieved through the accurate registration of each of the patterned layers using screen-printing. Modules based on this approach were reported with geometric fill factor (g-FF) as high as 70%. Another approach to create the interconnects, the so-called scribing method, was reported to achieve more than 90% g-FF for architectures based on evaporated metal contacts, i.e., without a carbon counter electrode. Here, for the first time, we adopt the scribing method to selectively remove materials within a C-PSC. This approach allowed a deep and selective scribe to open an aperture from the transparent electrode through all the layers, including the blocking layer, enabling a direct contact between the electrodes in the interconnects. In this work, a systematic study of the interconnection area between cells is discussed, showing the key role of the FTO/carbon contact. Furthermore, a module on 10 × 10 cm2 substrate with the optimised design showing efficiency over 10% is also demonstrated. View Full-Text
Keywords: perovskite; solar cells; carbon; screen-printing; up-scaling; module; scribing perovskite; solar cells; carbon; screen-printing; up-scaling; module; scribing
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MDPI and ACS Style

Meroni, S.M.P.; Hooper, K.E.A.; Dunlop, T.; Baker, J.A.; Worsley, D.; Charbonneau, C.; Watson, T.M. Scribing Method for Carbon Perovskite Solar Modules. Energies 2020, 13, 1589.

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