4.8 Article

Highly Efficient Perovskite Nanocrystal Light-Emitting Diodes Enabled by a Universal Crosslinking Method

Journal

ADVANCED MATERIALS
Volume 28, Issue 18, Pages 3528-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201600064

Keywords

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Funding

  1. EPSRC [EP/M005143/1, EP/J017361/1, EP/G037221/1]
  2. Gates Cambridge Trust
  3. CNPq [246050/2012-8]
  4. ERC [259619 PHOTO-EM]
  5. EU [312483 ESTEEM2]
  6. Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linkoping University [200900971]
  7. Cambridge Commonwealth European and International Trust
  8. Cambridge Australian Scholarships
  9. EPSRC [EP/M005143/1, EP/J017361/1, EP/M507301/1] Funding Source: UKRI
  10. Engineering and Physical Sciences Research Council [EP/J017361/1, EP/M005143/1, EP/M507301/1] Funding Source: researchfish

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The preparation of highly efficient perovskite nanocrystal light-emitting diodes is shown. A new trimethylaluminum vapor-based crosslinking method to render the nanocrystal films insoluble is applied. The resulting near-complete nanocrystal film coverage, coupled with the natural confinement of injected charges within the perovskite crystals, facilitates electron-hole capture and give rise to a remarkable electroluminescence yield of 5.7%.

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