The quality of the perovskite film highly affects the performance of perovskite solar cells (PSCs). To deposit uniform and dense perovskite films, the fabrication processes are usually conducted in a controlled environment such as a glove box, which limits the future commercial development. High-quality perovskite films were fabricated in high humidity using mixed antisolvent consisting of ethyl acetate (EA) and diethyl ether (DE). It is found that the speed of perovskite crystallization could be controlled by adjusting the volume ratio of EA and DE in the mixed antisolvent, enhancing the grain size of perovskite films. The PSC fabricated in a humidity of 70% treated with an optimal ratio EA and DE exhibits an enhanced efficiency of 18.77% from 11.07%. Our work provides a convenient strategy for fabricating highly efficient PSCs in a high-humidity environment.

中文翻译：

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使用混合抗溶剂在高湿度下制造的高效钙钛矿太阳能电池

钙钛矿薄膜的质量高度影响钙钛矿太阳能电池（PSC）的性能。为了沉积均匀致密的钙钛矿薄膜，制造过程通常在受控环境中进行，例如手套箱，这限制了未来的商业发展。使用由乙酸乙酯 (EA) 和乙醚 (DE) 组成的混合抗溶剂在高湿度下制造了高质量的钙钛矿薄膜。结果表明，钙钛矿结晶的速度可以通过调节混合反溶剂中EA和DE的体积比来控制，从而提高钙钛矿薄膜的晶粒尺寸。用最佳比例 EA 和 DE 处理的 PSC 在 70% 的湿度下制造，其效率从 11.07% 提高到 18.77%。