2023
DOI: 10.1021/acs.cgd.3c01032
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Insight into the Water-Triggered Conversion of Cs4PbBr6/Mesoporous Silica-Based Nanocomposites: In Situ Formation, Water Responsiveness, and Multistage Anticounterfeiting

Boyang Zhou,
Meizhi Han,
Yan He
et al.

Abstract: Cs 4 PbX 6 (X = Cl, Br, and I)-type all-inorganic lead halide perovskite nanocrystals (PNCs) have unique optoelectronic properties. However, their luminescence behavior demands a more in-depth study. Herein, we demonstrated a nanoconfinement strategy to fabricate a mesoporous silica nanoparticles and Cs 4 PbBr 6 (MSNs@Cs 4 PbBr 6 ) nanocomposite. Hexagonal Cs 4 PbBr 6 nanocrystals (NCs) with an average particle size of 20 nm were formed in situ in the mesopores of MSNs. Benefited by crystal-phase conversion in… Show more

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