Bao, J. and Hadjiev, V.G. 2019. Origin of Luminescent Centers and Edge States in Low-Dimensional Lead Halide Perovskites: Controversies, Challenges and Instructive Approaches. Nano-Micro Letters. 11, (Mar. 2019), 26. DOI:https://doi.org/10.1007/s40820-019-0254-4.