1,3,5-Triazine-Functionalized Thermally Activated Delayed Fluorescence Emitters for Organic Light-Emitting Diodes

11 July 2022, Version 1
This content is a preprint and has not undergone peer review at the time of posting.


The 1,3,5-triazine electron-acceptor has become one of the most popular building blocks for the design of thermally activated delayed fluorescence (TADF) materials. Many TADF design strategies are first applied in compounds that contain triazines, and there are numerous examples of OLEDs with triazine-containing emitters that show high efficiencies and long operating lifetimes. We provide a comprehensive review of triazine-containing TADF emitters. This review is organized according to the triazine-derived structural motifs, such as number and position of electron-donor groups in donor-acceptor type emitters, the -bridging linkers employed, and the design of through-space charge-transfer (TSCT) emitter. We correlate the structure of the compounds with their optoelectronic properties and the corresponding performance of the organic light-emitting diode devices.


thermally activated delayed fluorescence
organic light-emitting diode


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