Premium
Light‐Emitting Diodes: Over 10% EQE Near‐Infrared Electroluminescence Based on a Thermally Activated Delayed Fluorescence Emitter (Adv. Funct. Mater. 26/2017)
Author(s) -
Yuan Yi,
Hu Yun,
Zhang YeXin,
Lin JiuDong,
Wang YaKun,
Jiang ZuoQuan,
Liao LiangSheng,
Lee ShuitTong
Publication year - 2017
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.201770155
Subject(s) - materials science , electroluminescence , fluorescence , quantum efficiency , infrared , oled , pyrazine , optoelectronics , common emitter , intramolecular force , photochemistry , diode , optics , nanotechnology , chemistry , physics , stereochemistry , layer (electronics)
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.