Wu, T., Qin, Z., Wang, Y., Wu, Y., Chen, W., Zhang, S., Cai, M., Dai, S., Zhang, J., Liu, J., Zhou, Z., Liu, X., Segawa, H., Tan, H., Tang, Q., Fang, J., Li, Y., Ding, L., Ning, Z., Qi, Y., Zhang, Y. and Han, L. 2021. The Main Progress of Perovskite Solar Cells in 2020–2021. Nano-Micro Letters. 13, (Jul. 2021), 152. DOI:https://doi.org/10.1007/s40820-021-00672-w.