Enhanced Performance of CsPbBr3 Nanocrystals via Dual Passivation
Yujiao Sun,
Yongchao Cheng,
Zijiang Yang
et al.
Abstract:Perovskite CsPbBr3 nanocrystals show excellent optical properties. However, the nanocrystals encounter a major challenge of poor stability. In this study, an effective approach is proposed for enhancing the stability of CsPbBr3 nanocrystals via a dual passivation strategy, where the dual passivation layer is composed of alumina (Al2O3) and polymer ethylene‐vinyl acetate (EVA). The Al2O3 coating on the CsPbBr3 surface is realized by in situ oxidation of trimethyl aluminum (TMA), which passivated the surface def… Show more
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