Thermally activated delayed fluorescence emitters in light-emitting electrochemical cells

Michael Yin Wong, Eli Zysman-Colman*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapter

7 Citations (Scopus)


Thermally activated delayed fluorescence (TADF) represents a very promising singlet harvesting mechanism that permits harvesting of both singlet and triplet excitons in electroluminescent devices. In this chapter, the operating principle of TADF mechanism is introduced. Two major classes of TADF emitters employed in light-emitting electrochemical cell (LEC) devices, small molecule organic compounds, and copper(I) complexes, are discussed in the context of their optoelectronic properties and LEC device performance metrics. A critical outlook for each class of emitters is also provided.

Original languageEnglish
Title of host publicationLight-Emitting Electrochemical Cells
Subtitle of host publicationConcepts, Advances and Challenges
Number of pages30
ISBN (Electronic)9783319586137
ISBN (Print)9783319586120
Publication statusPublished - 31 Jul 2017


  • Copper(I) complexes
  • Light-emitting electrochemical cells
  • Lighting technologies
  • Small molecules
  • Thermally activated delayed fluorescence


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