Authors: Yan Lv, Junran Zhang, Xiaolong Chen, Lin Wang
Published: 2022-10-26
DOI: 10.1038/s41377-022-01019-9
Source: Full article
AbstractThe well-known ion migration in mixed halide perovskites has been intensely investigated within the area under uniform light illumination. Here, the authors demonstrate that the anion segregation in these materials is a nonlocal effect of which the ion redistribution may occur at a macroscopic or mesoscopic scale beyond.