Keeps 90% efficiency after 10k bends
Introducing a cross-linked polyelectrolyte into the SnO₂ electron transport layer stabilizes the nanoparticle dispersion and reinforces the film, enabling flexible perovskite solar cells to maintain high efficiency under repeated bending.
Li, Zhihao · Wan, Zhi · Jia, Chunmei · Zhang, Meng · Zhang, Meihe · Jiayi, Xue · Jianghua, Shen · Li, Can · Zhang, Chao · Li, Zhen
Journal of Energy Chemistry 2023