In situ lead oxysalt passivation layer for stable and efficient perovskite solar cells
Abstract
A Rb2SO4 additive is employed to passivate the Pb2+ defects in a perovskite film by forming PbSO4in situ, which can cover the surface and grain boundaries of the perovskite to ensure that the film is not decomposed by moisture. Finally, a device based on the Rb2SO4 modification achieved an enhanced power conversion efficiency (22.25%) and long-term stability.
Type
Publication
Chemical Communications, 2022,58, 12708-12711
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