Data availabilityThe data that support the findings of this study are available in this paper and the Supplementary Information. Other data that support the findings of this study are available from the corresponding author upon reasonable request.ReferencesSong, Y.-H. et al. Intragrain 3D perovskite heterostructure for high-performance pure-red perovskite LEDs. Nature 641, 352–357 (2025).Article
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