Publication date: 17th February 2025
Evaporation is normally utilized as a technique for depositing the top electrode, but it does not stand out as a highly cost-effective method for the large-scale production of perovskite solar cells (PSCs). Furthermore, employing gold as the top electrode material in PSCs presents significant cost-related issues, thus constraining the industrial-scale manufacturing of PSCs. However, a highly conductive self-adhesive laminated electrode can be employed at ambient temperature to facilitate the scaling up of PSCs. The current research activity investigated various configurations of perovskite solar cell devices designed for lamination purposes, aimed at optimizing their structural integrity. The study encompasses the utilization of two distinct types of plastic electrodes—silver-based and PET/ITO for lamination. Additionally, diverse combinations of hole transport layers (HTL), adhesive materials, and laminating pressures are explored to determine the most suitable configuration of layers and electrodes to enhance the performance of the laminated electrode device. The most promising outcomes in terms of efficiency are observed for the NIP mesoscopic structure utilizing PTAA as the hole transport layer and a carbon-based electrode doped with HTM. The doping of HTM improved the performance of the device by optimising the band alignment. Laminated PSCs demonstrated a notable power conversion efficiency of 16.49% for small area cells, coupled with a commendable fill factor. This effort underscores the prevailing challenges associated with laminated electrode devices while proposing potential strategies to address these challenges.
Acknowledgment
Italian National PhD program on Photovoltaics
Research Centre for Non-Conventional Energy | Rome, Italy | ENI.
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