Dimethyl acridine-based self-assembled monolayer as a hole transport layer for highly efficient inverted perovskite solar cells oleh Liufei Li, Rongyao Lv, Guiqi Zhang, Bing Cai, Xin Yu, Yandong Wang, Shantao Zhang, Xiaofen Jiang, Xinyu Li, Shuang Gao, Xue Wang, Ziqi Hu, Wen-Hua Zhang, Shangfeng Yang