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
- Multifunctional ligand engineering for pure-blue halide perovskite nanocrystal LEDs
- Light: Science & Applications 2026年15卷第6期页码：1756-1758
- 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
  中图分类号：
- 网络首发：2026-04-20，
  
  纸质出版：2026-06-30
- Accepted：
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Mark T. Swihart. Multifunctional ligand engineering for pure-blue halide perovskite nanocrystal LEDs[J]. Light: Science & Applications, 2026,15(6):1756-1758.

Swihart, M.T. Multifunctional ligand engineering for pure-blue halide perovskite nanocrystal LEDs. Light: Science & Applications, 15, 1756-1758 (2026).
Mark T. Swihart. Multifunctional ligand engineering for pure-blue halide perovskite nanocrystal LEDs[J]. Light: Science & Applications, 2026,15(6):1756-1758. DOI： 10.1038/s41377-026-02288-4.

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

Kovalenko, M. V., Protesescu, L. & Bodnarchuk, M. I. Properties and potential optoelectronic applications of lead halide perovskite nanocrystals. Science 358 , 745–750, https://doi.org/10.1126/science.aam7093 (2017)..

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)..

Yang, X. Y. et al. Focus on perovskite emitters in blue light-emitting diodes. Light Sci. Appl. 12 , 177, https://doi.org/10.1038/s41377-023-01206-2 (2023)..

Zhao, Q. Q. et al. Challenges and developments for the blue perovskite nanocrystal light-emitting diodes. Dalton Trans. 52 , 3921–3941, https://doi.org/10.1039/D3DT00122A (2023)..

Maimaitizi, H., Ågren, H. & Chen, G. Multifunctional ligand engineering enables high-performance CsPb(Br/Cl) 3 nanocrystals toward efficient and stable pure-blue perovskite LEDs. Light Sci. Appl. 15 , 135, https://doi.org/10.1038/s41377-026-02214-8 (2026)..

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)..

Song, Y. S. et al. Efficient deep-blue LEDs based on colloidal CsPbBr 3 nanoplatelets meeting the Rec.2020 standard. Light Sci. Appl. 14 , 336, https://doi.org/10.1038/s41377-025-02019-1 (2025)..

Huang, Q. Q. et al. Enhancing crystal integrity and structural rigidity of CsPbBr 3 nanoplatelets to achieve a narrow color-saturated blue emission. Light Sci. Appl. 13 , 111, https://doi.org/10.1038/s41377-024-01441-1 (2024)..

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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