Lian, Y., Wang, Y., Yuan, Y., Ren, Z., Tang, W., Liu, Z., Xing, S., Ji, K., Yuan, B., Yang, Y., Gao, Y., Zhang, S., Zhou, K., Zhang, G., Stranks, S. D., Zhao, B., Di, D. (2025). Downscaling micro- and nano-perovskite LEDs. Nature. https://doi.org/10.1038/s41586-025-08685-w