- Highly Efficient Perovskite Nanocrystal Light-Emitting Diodes Enabled by a Universal Crosslinking Method.
Highly Efficient Perovskite Nanocrystal Light-Emitting Diodes Enabled by a Universal Crosslinking Method.
Advanced materials (Deerfield Beach, Fla.) (2016-03-19)
Guangru Li, Florencia Wisnivesky Rocca Rivarola, Nathaniel J L K Davis, Sai Bai, Tom C Jellicoe, Francisco de la Peña, Shaocong Hou, Caterina Ducati, Feng Gao, Richard H Friend, Neil C Greenham, Zhi-Kuang Tan
PMID26990965
ABSTRACT
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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