Ultrasmall water-stable CsPbBr<sub>3</sub> quantum dots with high intensity blue emission enabled by zeolite confinement engineering

Zhang, Hongyue; Wang, Bolun; Niu, Zijian; Chen, Guangrui; Guan, Buyuan; Li, Jiyang; Yu, Jihong

doi:10.1039/d3mh01092a

Mater. Horiz.

2023

DOI: 10.1039/d3mh01092a

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Ultrasmall water-stable CsPbBr₃ quantum dots with high intensity blue emission enabled by zeolite confinement engineering

Hongyue Zhang,

Bolun Wang,

Zijian Niu

et al.

Abstract: Ultrasmall CsPbBr3 perovskite quantum dots (PQDs) as promising blue-emitting materials are highly desired for full-color display and lighting applications, but their inferior efficiency and poor ambient stability hinder extensive applications....

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Cited by 5 publications

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Confinement of CsPbBr₃ Perovskite Nanocrystals into Extra‐large‐pore Zeolite for Efficient and Stable Photocatalytic Hydrogen Evolution

Gao,

Wang,

Chen

et al. 2024

Angewandte Chemie

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Metal halide perovskites hold significant promise as photocatalysts for hydrogen evolution reaction. However, the low stability and insufficient exposure of active sites impair their catalytic efficiency. Herein, we utilized an extra‐large‐pore zeolite ZEO‐1 as a host to confine and stabilize the CsPbBr3 nanocrystals for boosting hydrogen iodide splitting. The as‐prepared CsPbBr3@ZEO‐1 featured sufficiently exposed active sites, superior stability, along with extra‐large pores of ZEO‐1 that were favorable for adsorption and diffusion. Most importantly, the unique nanoconfinement effect of ZEO‐1 led to the narrowing of the band gap of CsPbBr3, allowing for more efficient light utilization. As a result, the photocatalytic HER rate of the as‐prepared CsPbBr3@ZEO‐1 photocatalyst was increased to 1734 μmol·h‐1·g‐1, and the long‐term stability. Furthermore, Pt was incorporated with well‐dispersed CsPbBr3 nanocrystals into ZEO‐1, resulting in a significant enhancement in activity. Further investigation revealed that the boosted photocatalytic performance of Pt/CsPbBr3@ZEO‐1 could be attributed to the promotion of charge separation and transfer, as well as to the substantially lowered energy barrier for HER. This work highlights the advantage of extra‐large‐pore zeolites as the nanoscale platform to accommodate multiple photoactive components, opening up promising prospects in the design and exploitation of novel zeolite‐confined photocatalysts for energy harvesting and storage.

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Confinement of CsPbBr₃ Perovskite Nanocrystals into Extra‐large‐pore Zeolite for Efficient and Stable Photocatalytic Hydrogen Evolution

Gao,

Wang,

Chen

et al. 2024

Angewandte Chemie

Self Cite

View full text Add to dashboard Cite

show abstract

Confinement of CsPbBr₃ Perovskite Nanocrystals into Extra‐large‐pore Zeolite for Efficient and Stable Photocatalytic Hydrogen Evolution

Gao,

Wang,

Chen

et al. 2024

Angew Chem Int Ed

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Dual-shell protection enables highly efficient and stable all-inorganic perovskite composites for light-emitting-diodes

Xu,

Li,

et al. 2025

Journal of Alloys and Compounds

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Ultrasmall water-stable CsPbBr₃ quantum dots with high intensity blue emission enabled by zeolite confinement engineering

Abstract: Ultrasmall CsPbBr3 perovskite quantum dots (PQDs) as promising blue-emitting materials are highly desired for full-color display and lighting applications, but their inferior efficiency and poor ambient stability hinder extensive applications....

Cited by 5 publications

References 41 publications

Confinement of CsPbBr₃ Perovskite Nanocrystals into Extra‐large‐pore Zeolite for Efficient and Stable Photocatalytic Hydrogen Evolution

Confinement of CsPbBr₃ Perovskite Nanocrystals into Extra‐large‐pore Zeolite for Efficient and Stable Photocatalytic Hydrogen Evolution

Confinement of CsPbBr₃ Perovskite Nanocrystals into Extra‐large‐pore Zeolite for Efficient and Stable Photocatalytic Hydrogen Evolution

Dual-shell protection enables highly efficient and stable all-inorganic perovskite composites for light-emitting-diodes

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Ultrasmall water-stable CsPbBr3 quantum dots with high intensity blue emission enabled by zeolite confinement engineering

Abstract: Ultrasmall CsPbBr3 perovskite quantum dots (PQDs) as promising blue-emitting materials are highly desired for full-color display and lighting applications, but their inferior efficiency and poor ambient stability hinder extensive applications....

Cited by 5 publications

References 41 publications

Confinement of CsPbBr3 Perovskite Nanocrystals into Extra‐large‐pore Zeolite for Efficient and Stable Photocatalytic Hydrogen Evolution

Confinement of CsPbBr3 Perovskite Nanocrystals into Extra‐large‐pore Zeolite for Efficient and Stable Photocatalytic Hydrogen Evolution

Confinement of CsPbBr3 Perovskite Nanocrystals into Extra‐large‐pore Zeolite for Efficient and Stable Photocatalytic Hydrogen Evolution

Dual-shell protection enables highly efficient and stable all-inorganic perovskite composites for light-emitting-diodes

Contact Info

Product

Resources

About

Ultrasmall water-stable CsPbBr₃ quantum dots with high intensity blue emission enabled by zeolite confinement engineering

Confinement of CsPbBr₃ Perovskite Nanocrystals into Extra‐large‐pore Zeolite for Efficient and Stable Photocatalytic Hydrogen Evolution

Confinement of CsPbBr₃ Perovskite Nanocrystals into Extra‐large‐pore Zeolite for Efficient and Stable Photocatalytic Hydrogen Evolution

Confinement of CsPbBr₃ Perovskite Nanocrystals into Extra‐large‐pore Zeolite for Efficient and Stable Photocatalytic Hydrogen Evolution