articleMethods and Applications in FluorescenceMar 9, 2017HYBRID OA

Photophysics of thermally activated delayed fluorescence molecules

FBFernando B. DiasTJThomas J. PenfoldAPAndrew P. Monkman

Durham University · Newcastle University

PubMed
Indexed incrossrefpubmed

Abstract

Thermally activated delayed fluorescence (TADF) has recently emerged as one of the most attractive methods for harvesting triplet states in metal-free organic materials for application in organic light emitting diodes (OLEDs). A large number of TADF molecules have been reported in the literature with the purpose of enhancing the efficiency of OLEDs by converting non-emissive triplet states into emissive singlet states. TADF emitters are able to harvest both singlets and triplet states through fluorescence (prompt and delayed), the latter due to the thermally activated reverse intersystem crossing mechanism that allows up-conversion of low energy triplet states to the emissive singlet level. This allows…

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Topics & keywords

Topics
Keywords
  • Intersystem crossing
  • OLED
  • Singlet state
  • Fluorescence
  • Materials science
  • Quantum efficiency
  • Optoelectronics
  • Photochemistry
UN Sustainable Development Goals
  • Affordable and clean energy
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