Multifunctional ligand engineering for pure-blue halide perovskite nanocrystal LEDs

Mark T. Swihart

doi:10.1038/s41377-026-02288-4

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Multifunctional ligand engineering for pure-blue halide perovskite nanocrystal LEDs

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- Multifunctional ligand engineering for pure-blue halide perovskite nanocrystal LEDs
- Light: Science & Applications Vol. 15, Issue 6, Pages: 1756-1758(2026)
- Affiliations：
  
  Department of Chemical and Biological Engineering and RENEW Institute, University at Buffalo (SUNY), Buffalo, NY, USA
- Author bio：
  
  Mark T. Swihart (swihart@buffalo.edu)
- Funds：
- DOI：10.1038/s41377-026-02288-4
  CLC：
- Online First：20 April 2026，
  
  Published：30 June 2026
- Accepted：
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Swihart, M.T. Multifunctional ligand engineering for pure-blue halide perovskite nanocrystal LEDs. Light: Science & Applications, 15, 1756-1758 (2026).
DOI：

Swihart, M.T. Multifunctional ligand engineering for pure-blue halide perovskite nanocrystal LEDs. Light: Science & Applications, 15, 1756-1758 (2026). DOI： 10.1038/s41377-026-02288-4.

摘要

Abstract

More efficient and stable blue LEDs are essential for achieving the full potential of halide perovskite-based displays

but defect formation and ion migration limit both external quantum efficiency and lifetime of these devices. Now

a multifunctional fluorinated ligand is shown to mitigate both factors

dramatically enhancing brightness

efficiency and lifetime.

关键词

Keywords

references

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Aftabuzzaman, M. et al. Colloidal Perovskite Nanocrystals for Blue-Light-Emitting Diodes and Displays. Adv. Sci. 12 , 2409736, https://doi.org/10.1002/advs.202409736 (2025)..

Ko, P. K. et al. The Deepest Blue: Major Advances and Challenges in Deep Blue Emitting Quasi-2D and Nanocrystalline Perovskite LEDs. Adv. Mater. 37 , 2407764, https://doi.org/10.1002/adma.202407764 (2025)..

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Gao, L. et al. High efficiency pure blue perovskite quantum dot light-emitting diodes based on formamidinium manipulating carrier dynamics and electron state filling. Light Sci. Appl. 11 , 346, https://doi.org/10.1038/s41377-022-00992-5 (2022)..

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Protesescu, L. et al. Nanocrystals of Cesium Lead Halide Perovskites (CsPbX 3 , X = Cl, Br, and I): Novel Optoelectronic Materials Showing Bright Emission with Wide Color Gamut. Nano Lett. 15 , 3692–3696, https://doi.org/10.1021/nl5048779 (2 015)..

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