期刊
ENERGIES
卷 13, 期 7, 页码 -出版社
MDPI
DOI: 10.3390/en13071589
关键词
perovskite; solar cells; carbon; screen-printing; up-scaling; module; scribing
资金
- UKRI Global Challenge Research Fund project SUNRISE [EP/P032591/1]
- SPECIFIC Innovation and Knowledge Centre by the Engineering and Physical Science Research Council [EP/N020863/1]
- Innovate UK [920036]
- European Regional Development Fund through the Welsh Government [c80892, 80708]
- Newton Mexico partnership [332397170]
- EPSRC [EP/M028267/1]
- Ser Solar project via Welsh Government
- EPSRC [EP/M028267/1, EP/N020863/1, EP/P032591/1] Funding Source: UKRI
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 x 10 cm(2) substrate with the optimised design showing efficiency over 10% is also demonstrated.
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