3,4,9,10-Perylenetetracarboxylicdiimide as an interlayer for ultraviolet organic light emitting diodes

Alan Man Ching Ng, Aleksandra B. Djurišić*, Kai Hang Tam, Kai Wing Cheng, Wai Kin Chan, Hoi Lam TAM, Kok Wai CHEAH, Albert W. Lu, Jesse Chan, Aleksandar D. Rakić

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

11 Citations (Scopus)


Ultraviolet organic light emitting diodes with 3,4,9,10-perylenetetracarboxylicdiimide (PTCDI) interlayer have been achieved. The emission spectrum and intensity were strongly dependent on the thickness of PTCDI interlayer, in spite of the fact that PTCDI has neither much lower HOMO nor much higher LUMO level, which is considered necessary for efficient charge blocking layers. The influence of PTCDI layer was investigated in three different device configurations and obtained results are discussed. For optimal device configuration, OLED with emission centered at 370 nm and turn-on voltage of 4.5 V is obtained.

Original languageEnglish
Pages (from-to)2498-2503
Number of pages6
JournalOptics Communications
Issue number9
Publication statusPublished - 1 May 2008

Scopus Subject Areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

User-Defined Keywords

  • Optoelectronic devices
  • Organic light emitting diodes


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