Nature CommunicationsHigh-quality perovskite crystal for efficient and bright pure-blue light-emitting diodes with narrow emissionHua ChenZhenwei RenYangyang YuZhiyong ZhengXin ZhouBin HuChengzhao LuoYu Chen2026-04-01Full textDOI https://doi.org/10.1038/s41467-026-71292-4