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A Red Thermally Activated Delayed Fluorescence Emitter Simultaneously Having High Photoluminescence Quantum Efficiency and Preferentially Horizontal Emitting Dipole Orientation by Xu Gong; Pan Li; Yu‐Hsin Huang; Chun‐Yu Wang; Chen‐Han Lu; Wei‐Kai Lee; Cheng Zhong; Zhanxiang Chen; Weimin Ning; Chung‐Chih Wu; Shaolong Gong; Chuluo Yang is a Engineering article available to read on EtoBox.
What is A Red Thermally Activated Delayed Fluorescence Emitter Simultaneously Having High Photoluminescence Quantum Efficiency and Preferentially Horizontal Emitting Dipole Orientation about?
The development of red thermally activated delayed fluorescence (TADF) emitters having excellent optoelectronic properties and satisfactory electroluminescence efficiency is full of challenges due to strict molecular design principles. Two red TADF molecules, 3-(9,9-dimethylacridin-10(9H)-yl) acenaphtho[1,2-b]quinoxaline-9,10-dicarbonitrile and 3-(2,7-dimethyl-10Hspiro[acridine-9,9′-fluoren]-10-yl)acenaphtho[1,2-b]quinoxaline-9,10-dicarbonitrile, are developed by adopting a donor-acceptor molecular architecture bearing an electron-accepting acenaphtho[1,2-b]quinoxaline-9,10-dicarbonitrile (ANQDC) moiety and a 9,9-dimethyl-9,10-dihydroacridine or 2,7-dimethyl-10H-spiro[acridine-9,9′-fluorene] electron donor. The combined effects of rigid and planar D/A moieties and highly steric hindrance between D and A groups endow both molecules with high rigidity to suppress nonradiative decay processes, resulting in high photoluminescence quantum efficiencies (Φ PL s) of up to 95%. Attributed to the linear and planar acceptor motif and rod-like molecular configuration, both emitters achieve high horizontal ratios of emitting dipole orientation of ≈80%. The organic light-emitting diodes (OLEDs)
Who reads A Red Thermally Activated Delayed Fluorescence Emitter Simultaneously Having High Photoluminescence Quantum Efficiency and Preferentially Horizontal Emitting Dipole Orientation?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Xu Gong; Pan Li; Yu‐Hsin Huang; Chun‐Yu Wang; Chen‐Han Lu; Wei‐Kai Lee; Cheng Zhong; Zhanxiang Chen; Weimin Ning; Chung‐Chih Wu; Shaolong Gong; Chuluo Yang
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley (ISSN 1616-301X)
- Published
- 2020
- Language
- EN
- Field
- Engineering (Physical Sciences)