Efficiency enhancement to 24.62% in inverted perovskite solar cells through poly (ionic liquid) bulk modification
Xingyuan Chen,
Tong Wang,
Jiabao Yang
et al.
Abstract:Small-molecule ionic liquids (ILs) are frequently employed as efficient bulk phase modifiers for perovskite materials. However, their inherent characteristics, such as high volatility and ion migration properties, pose challenges in addressing the stability issues associated with perovskite solar cells (PSCs). In this study, we design a poly(IL) with multiple active sites, named poly[4-styrenesulfonyl(trifluoromethylsulfonyl)imide]pyridine (P[STFSI][PPyri]), as an efficient additive of perovskite materials. Th… Show more
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