Post‐device Dimethylamine Treatment Enables Stable and Efficient Perovskite Solar Cells
Jing Liao,
Xiaolong Shen,
Changjiang Liu
et al.
Abstract:The incorporation of organic ligands via post‐device treatment is an effective strategy to improve the stability of perovskite solar cells (PSCs). Although the active area is protected by metal electrode under post‐treatment, the aggression of post‐treatment ligands into active area cannot be avoided thoroughly. Unfortunately, the size of long‐chain amines is too large, and the three‐dimensional (3D) perovskite cannot maintain its 3D perovskite structure once the cation substitution occurs during the post‐trea… Show more
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