Proceedings of International Conference on Perovskite Thin Film Photovoltaics and Perovskite Photonics and Optoelectronics (NIPHO25)
Publication date: 24th April 2025
Perovskite solar cells (PSCs) which are progressing at a rapid pace are still not suitable for commercialization due to the costly and time-consuming electrode deposition process. Even the most of high efficiency PSCs utilize costly electrode material such as gold (Au), silver (Ag), aluminum (Al) or copper (Cu). It is necessary to employ and develop new electrode material and deposition process. The printed molten metal electrodes (PME) were realised additively utilizing StarJet technology. Bulk metal alloy was printed with jet more directly on the substrates. With this new cheap and effective electrode material and deposition process, the PSCs achieved power conversion efficiency (PCE) ~ 11% under STC (1 sun, 1000 W/m2 AM 1.5) and 16.72 % under indoor conditions (1000 lux, white LED). The PME based PSC had T80 13 hrs as compared to T80 of 33 hrs for reference device (with Cu electrode) under continuous light soaking stability test under ISOS L-1 (1 sun, 1000 W/m2 AM 1.5). Despite having lower PCE and stability of PME based PSC compared to reference PSC, the PME material and deposition technique altogether pave the path for large scale production and commercialization.
GS acknowledges support from the MUR program (CUP E83C22003460008).
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