Electroluminescence from sodium-doped polymeric carbon nitride film

Kenichi Aoyama, Kouki Akaike, Kaname Kanai

Research output: Contribution to journalArticlepeer-review


The polymeric carbon nitride referred to as melon has been extensively investigated to explore its potential use in visible-light-driven photocatalysis. To extend the application of melon to optoelectronic devices, we fabricated organic light-emitting diodes using melon or its monomer, 2,5,8-triamino-tri-s-triazine (melem), as the light-emitting layers. The sodium-doped melon- and melem-based devices were found to exhibit green-yellow and purple electroluminescence, respectively. These devices were fabricated using polymeric carbon nitride films directly synthesized on a substrate via thermal condensation. It is suggested that carbon nitride materials are useful not only for conventional applications (e.g., photocatalysts), but also for applications in organic electronics.

Original languageEnglish
Article number137475
JournalChemical Physics Letters
Publication statusPublished - 16 Jun 2020


  • Electroluminescence
  • Melem
  • Melon
  • Polymeric carbon nitride films

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