Enhancing Emission and Stability in Na-Doped Cs3Cu2I5 Nanocrystals
Na Guo,
Lili Liu,
Guilong Cao
et al.
Abstract:Lead-free Cs3Cu2I5 metal halides have garnered significant attention recently due to their non-toxic properties and deep-blue emission. However, their relatively low photoluminescence quantum efficiency and poor stability have limited their applications. In this work, sodium iodide (NaI) is used to facilitate the synthesis of Cs3Cu2I5 nanocrystals (NCs), demonstrating improved photoluminescence intensity, photoluminescence quantum yield, and stability. Systematic optoelectronic characterizations confirm that N… Show more
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