CsPb<sub>2</sub>Br<sub>5</sub>-assisted direct crystallization of the 3D perovskite phase for highly efficient and stable solar cells
Caiyun Gao, Kun Gao, Bingqian Zhang, Xiuhong Sun, Qiangqiang Zhao, Xiao Wang, Feng Wang, Mingliang Sun, Guanglei Cui, Shuping Pang
Abstract
The α-FAPbI 3 was achieved through a direct growth strategy of CsPb 2 Br 5 seed induction at room temperature. This strategy has delivered a superior PCE of 25.55%, the PSCs exhibit excellent stability, and the module efficiency was increased to 22.35%.
Topics & Concepts
CrystallizationPerovskite (structure)Materials sciencePhase (matter)Chemical engineeringOptoelectronicsCrystallographyChemistryOrganic chemistryEngineeringPerovskite Materials and ApplicationsSolid-state spectroscopy and crystallography2D Materials and Applications