Wang, Xin, Luyao Wang, Tong Shan, Shibing Leng, Hongliang Zhong, Qinye Bao, Zheng‑Hong Lu, Lin‑Long Deng, and Chun‑Chao Chen. “Low-Temperature Aging Provides 22% Efficient Bromine-Free and Passivation Layer-Free Planar Perovskite Solar Cells”. Nano-Micro Letters 12 (April 3, 2020): 84. Accessed November 21, 2024. https://nmlett.org/index.php/nml/article/view/473.