Metal complex based delayed fluorescence materials

Guijie Li, Zhi Qiang Zhu, Qidong Chen, Jian Li

Research output: Contribution to journalReview articlepeer-review

69 Scopus citations


This review mainly focuses on the topics related to metal complex based delayed fluorescence (DF) materials including their molecular design principle, photophysical studies, as well as their performance in the device settings. Due to the choice of various metal ions and metal complex system, metal based DF materials can be categorized into four major material classes based on their emission mechanisms at room temperature: (I) TADF materials exhibiting both fluorescence and DF; (II) TADF materials exhibiting DF only; (III) metal assisted delayed fluorescence (MADF) materials exhibiting both phosphorescence and DF; (IV) DF materials exhibiting fluorescence, phosphorescence and DF.

Original languageEnglish (US)
Pages (from-to)135-152
Number of pages18
JournalOrganic Electronics
StatePublished - Jun 2019


  • Delayed fluorescence
  • Device performance
  • Emitter
  • Metal complex
  • OLED
  • Triplet harvesting

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • General Chemistry
  • Condensed Matter Physics
  • Materials Chemistry
  • Electrical and Electronic Engineering


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