4.5 Article

A Zinc(II) Benzamidinate N-Oxide Complex as an Aggregation-Induced Emission Material: toward Solution-Processable White Organic Light-Emitting Devices

Journal

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
Volume -, Issue 39, Pages 4322-4330

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201800579

Keywords

Zinc; N; O-ligands; Aggregation-induced emission; Solution-processed white organic light-emitting diodes (WOLEDs)

Funding

  1. Natural Sciences and Engineering Research Council (NSERC)
  2. le Fonds du Quebec pour la recherche sur la nature et les technologies (FRQNT)
  3. Centre for Self-Assembled Chemical Structures (CSACS)
  4. Centre in Green Chemistry and Catalysis (CGCC)
  5. Universite de Montreal (UdeM)
  6. CREATE program (Novel Chiral Materials: An International Effort in Research and Education)
  7. [RGPIN-2015-05485]

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The synthesis, characterization, photophysical and redox properties of a dinuclear complex Zn-2(AMOX)(4) (AMOX = 4-bromo-N,N-diphenylbenzamidinate N-oxide) are highlighted. This compound is a first example of a novel class of aggregation-induced emission (AIE) materials. Noticeably, solution-processed white-green organic light-emitting diodes were fabricated using this complex as dopant in a co-host matrix in the emissive layer. A luminance efficiency and power efficiency as high as 1.12 cd/A and 0.30 lm/W were obtained, respectively. The characteristics of this complex: high solubility, thermal stability, AIE behaviour, ease of synthesis, tunability options, and low-cost, reveal altogether great potential for the development of this new family of compounds as materials for applications in optoelectronic devices.

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