Mixed-cation halide perovskite solar cells (PSCs) have received extensive attention due to their excellent optoelectronic properties and long-term stability. How to further promote its facile and large-scale film-formation procedure is of great significance for commercialization. In this work, a CsMA-based perovskite film was prepared via a two-step evaporation process. By regulating the cation ratio systematically, uniform and large-scale perovskite films can be obtained with excellent stability and high crystallization. Based on the perovskite active layer, typical PSCs were developed with a fully-evaporation technology, and the power conversion efficiency (PCE) of the champion device is 17.15% (J_SC = 22.59 mA cm⁻², V_OC = 1.03 V, FF = 73.71%). In addition, the PSC module was also explored (active area ≈10 cm²), achieving a PCE of 10.24%. It prospects that our efforts could draw inspiration for pushing ahead the industrialization of the perovskite photovoltaic.

混合阳离子卤化物钙钛矿太阳能电池（PSC）由于其优异的光电性能和长期稳定性而受到广泛关注。如何进一步促进其简便，大规模的成膜工艺，对商业化具有重要意义。在这项工作中，通过两步蒸发工艺制备了基于CsMA的钙钛矿薄膜。通过系统地调节阳离子比率，可以获得具有优异稳定性和高结晶度的均匀且大规模的钙钛矿膜。基于钙钛矿活性层，采用全蒸发技术开发了典型的PSC，冠军设备的功率转换效率（PCE）为17.15％（J _SC  = 22.59 mA cm ^-2，V _OC = 1.03 V，FF = 73.71％）。此外，还探索了PSC模块（有效面积≈10cm ²），实现了10.24％的PCE。可以预见，我们的努力将为推动钙钛矿光伏产业化带来灵感。