Controllable Two-dimensional Perovskite Crystallization via Water Additive for High-performance Solar Cells

摘要

Schematic illustration of PVSC structure. J-V curves of PVSCs based on BA MA Pb I films deposited from perovskite precursor solutions doped with different volume H O. Steady-state photocurrent and PCE of the champion device 1 sun condition. Long-term stability of the unsealed device without and with 3% H O