2024
DOI: 10.1021/acsami.4c01936
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Aluminum Carboxylate Modification Enabled Efficient and Stable Perovskite-Polystyrene Thin Films for Light-Emitting Applications

Yingying Wang,
Runchi Wang,
Yingchao Ge
et al.

Abstract: Lead halide perovskite nanocrystals (PNCs) have demonstrated great potential in emerging display technologies. However, the practical application of PNCs is hindered by the inherent instability of their ionic surface. Here, we proposed a surface modification approach to enhance the stability of CsPbBr 3 PNCs by postsynthetic treatment with aluminum phenylbutyrate (Al(PA) 3 ). Our study reveals that Al(PA) 3 displaces ammonium ligands and binds tightly on surface halide, providing excellent air and moisture res… Show more

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