Grabowska Adrianna, Fuentes Pineda Rosinda, Spinelli Pierpaolo, Soto Pérez German, Vinocour Pacheco Felipe Andrés, Babu Vivek
Saule Technologies, Wroclaw 54-427, Poland.
Saule Research Institute, Wroclaw 54-427, Poland.
ACS Appl Mater Interfaces. 2024 Sep 11;16(36):48676-48684. doi: 10.1021/acsami.4c11355. Epub 2024 Aug 27.
The development of Perovskite Solar Cells (PSCs) on flexible substrates marks a significant advancement in thin-film photovoltaic technology. However, current state-of-the-art research predominantly utilizes Poly(ethylene terephthalate) (PET) substrate, which limits the deployment to less challenging environments. To address this limitation, we explore the fabrication of inverted PSCs on colorless polyimide (CPI) substrates that can withstand harsh environmental conditions. We employed a sequential sputtering technique to deposit indium tin oxide (bottom electrode) and nickel oxide (hole transport layer) as a base stack for the perovskite. This base layer was further enhanced by incorporating MeO-2PACz into the hole transport bilayer, significantly improving the NiO interface, and thereby enhancing the efficiency of the devices. The PSCs fabricated on CPI demonstrated a power conversion efficiency (PCE) of 15.52% and a remarkable power-to-weight ratio (PWR) of 4.39 W/g, which is five times higher than that of devices on PET (0.87 W/g). Moreover, the active stack developed in this study can be used on any transparent substrate, showing its broader application potential.
在柔性衬底上开发钙钛矿太阳能电池（PSC）标志着薄膜光伏技术取得了重大进展。然而，目前的前沿研究主要使用聚对苯二甲酸乙二酯（PET）衬底，这限制了其在挑战性较小环境中的应用。为了解决这一限制，我们探索了在能够承受恶劣环境条件的无色聚酰亚胺（CPI）衬底上制备倒置PSC。我们采用顺序溅射技术沉积氧化铟锡（底部电极）和氧化镍（空穴传输层）作为钙钛矿的基础堆叠层。通过将MeO-2PACz掺入空穴传输双层中进一步增强了该基础层，显著改善了NiO界面，从而提高了器件的效率。在CPI上制备的PSC表现出15.52%的功率转换效率（PCE）和4.39 W/g的显著功率重量比（PWR），这比在PET上制备的器件（0.87 W/g）高出五倍。此外，本研究中开发的有源堆叠层可用于任何透明衬底，显示出其更广泛的应用潜力。
