Solvent-Induced Galvanoluminescence of Metal-Organic Framework Electroluminescent Diodes

Haonan Huang, Michelle Beuchel, Yeseul Park, Patrick J. Baesjou, Stefan C.J. Meskers, Dago M. De Leeuw, Kamal Asadi

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13 Citations (SciVal)


Alternating current (AC) electroluminescent diodes were fabricated from MOF-5, a metal organic framework consisting of tetrahedral [Zn4O]6+ units linked by 1,4-benzenedicarboxylate ligands. An additional insulating layer was incorporated to prevent formation of electrical shorts. The electroluminescence spectrum was dramatically red-shifted with respect to the photoluminescence spectrum. By deliberately varying trapped solvent molecules, we demonstrate that the light emission does not originate from MOF-5 but is due to galvanoluminescence, emission of weak optical radiation in the visible region that occurs during anodic oxidation of the Al top electrode in contact with electrolytes.

Original languageEnglish
Pages (from-to)11045-11048
Number of pages4
JournalJournal of Physical Chemistry C
Issue number20
Publication statusPublished - 26 May 2016

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Energy(all)
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films


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