In Situ Growth of a Robust 1D Capping Layer for Stable and Efficient CsPbI₃ Perovskite Solar Cells Without Hole Transporter

Hailiang Wang, Yongfa Song, Zedong Lin, Weiping Li^*, Huicong Liu, Xiaozhen Wei, Qixian Zhang, Chunyu Lv, Liqun Zhu, Kexiang Wang, Yisha Lan, Lan Wang, Changqing Lin, Penggang Yin, Tinglu Song, Yang Bai, Qi Chen, Shihe Yang^*, Haining Chen^*