Light‐Emitting Diodes: Over 10% EQE Near‐Infrared Electroluminescence Based on a Thermally Activated Delayed Fluorescence Emitter (Adv. Funct. Mater. 26/2017)

A new highly efficient near‐infrared organic light‐emitting material is reported by Zuo‐Quan Jiang, Liang‐Sheng Liao, and co‐workers in article number 1700986. The donor‐acceptor intramolecular interaction accounts for the near‐infrared emission whereas the applied strong electron‐withdrawing unit a...

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Bibliographic Details
Published in:Advanced functional materials 2017-07, Vol.27 (26), p.n/a
Main Authors: Yuan, Yi, Hu, Yun, Zhang, Ye‐Xin, Lin, Jiu‐Dong, Wang, Ya‐Kun, Jiang, Zuo‐Quan, Liao, Liang‐Sheng, Lee, Shuit‐Tong
Format: Article
Language:English
Subjects:
Electroluminescence
Fluorescence
Materials science
Near infrared radiation
near‐infrared emitters
Organic light emitting diodes
Quantum efficiency
thermally activated delayed fluorescence
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Summary:A new highly efficient near‐infrared organic light‐emitting material is reported by Zuo‐Quan Jiang, Liang‐Sheng Liao, and co‐workers in article number 1700986. The donor‐acceptor intramolecular interaction accounts for the near‐infrared emission whereas the applied strong electron‐withdrawing unit acenaphtho[1,2‐b]pyrazine‐8,9‐dicarbonitrile is proposed for the first time. Under the mechanism of thermally activated delayed fluorescence, it exhibits over 10% external quantum efficiency with the peak of 693 nm.
ISSN:1616-301X
1616-3028
DOI:10.1002/adfm.201770155