Rare Earth Ion‐Doped CsPbBr3 Nanocrystals

Rare earth ions Eu3+ and Tb3+ are doped into CsPbBr3 nanocrystals (NCs) for the first time, utilizing a one‐pot ultrasonication method. As‐synthesized NCs exhibit dual emissions from NCs and rare earth ions, further strengthening the competitiveness of perovskite NCs for lighting application.

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