Li, X., H. Yu, Z. Liu, J. Huang, X. Ma, Y. Liu, Q. Sun, L. Dai, S. Ahmad, Y. Shen, and M. Wang. “Progress and Challenges Toward Effective Flexible Perovskite Solar Cells”. Nano-Micro Letters, vol. 15, Aug. 2023, p. 206, doi:10.1007/s40820-023-01165-8.