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Scribing Method for Carbon Perovskite Solar Modules / Simone, Meroni; Katherine, Hooper; Tom O., Dunlop; Jenny, Baker; David, Worsley; Cecile, Charbonneau; Trystan, Watson; Katherine Elizabeth Anne, Hooper; Thomas, Dunlop

Energies, Volume: 13, Issue: 7, Start page: 1589

Swansea University Authors: Simone, Meroni, Katherine, Hooper, Tom O., Dunlop, Jenny, Baker, David, Worsley, Cecile, Charbonneau, Trystan, Watson, Katherine Elizabeth Anne, Hooper, Thomas, Dunlop

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DOI (Published version): 10.3390/en13071589

Abstract

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 reg...

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Published in: Energies
ISSN: 1996-1073
Published: MDPI AG 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa53872
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Abstract: 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.
Keywords: perovskite; solar cells; carbon; screen-printing; up-scaling; module; scribing
Issue: 7
Start Page: 1589