Cost-effective hole transporting material for stable and efficient perovskite solar cells with fill factors up to 82%

Lei Guan, Xinxing Yin, Dewei Zhao, Changlei Wang, Qiaoshi An, Jiangsheng Yu, Niraj Shrestha, Corey R. Grice, Rasha A. Awni, Yue Yu, Zhaoning Song, Jie Zhou, Weiwei Meng, Fujun Zhang, Randy J. Ellingson, Jianbo Wang^*, Weihua Tang, Yanfa Yan

^*此作品的通讯作者