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. 2016 May;28(18):3528-34.
doi: 10.1002/adma.201600064. Epub 2016 Mar 16.

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

Guangru Li  1 , Florencia Wisnivesky Rocca Rivarola  2 , Nathaniel J L K Davis  1 , Sai Bai  3 , Tom C Jellicoe  1 , Francisco de la Peña  2 , Shaocong Hou  4 , Caterina Ducati  2 , Feng Gao  3 , Richard H Friend  1 , Neil C Greenham  1 , Zhi-Kuang Tan  1   5   6
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Free article

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

Guangru Li et al. Adv Mater. 2016 May.
Free article

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%.

Keywords: crosslinking; nanocrystal; passivation; perovskite light-emitting diodes.

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