Strategies for Large‐Scale Fabrication of Perovskite Films for Solar Cells

The development of large‐area fabrication of perovskite solar cells is essential to their commercial applications. In this review, the recent progress of this field is first summarized. Then, the crystallization mechanism of perovskite films is addressed, followed by detailed descriptions on the deposition methods and optimization strategies for large‐area perovskite films. Finally, an outlook is provided for further improvement.