Two-dimensional Ruddlesden–Popper layered perovskite solar cells based on phase-pure thin films

Chao Liang, Hao Gu, Yingdong Xia, Zhuo Wang, Xiaotao Liu, Junmin Xia, Shouwei Zuo, Yue Hu, Xingyu Gao, Wei Hui, Lingfeng Chao, Tingting Niu, Min Fang, Hui Lu, Hanshan Dong, Hui Yu, Shi Chen, Xueqin Ran, Lin Song, Bixin Li, Jing Zhang, Yong Peng, Guosheng Shao, Jianpu Wang, Yonghua Chen, Guichuan Xing, Wei Huang