Nature CommunicationsOperando insights into stability of perovskite-based solar water splitting devicesChang-Seop JeongWooyong JeongJuwon YunDonyoung KangByungjun KangHyungsoo LeeJun Hwan KimHyungsuk LeeJooho Moon2026-01-26Full textDOI https://doi.org/10.1038/s41467-026-68357-9