Electroluminescent devices based on rare-earth complex TbY(p-MBA) 6 (phen) 2

Zheng Chen, Zhenbo Deng*, Yumeng Shi, Ying Xu, Jing Xiao, Yuanyuan Zhang, Ruifen Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

A new rare-earth complex TbY(p-MBA) 6 (phen) 2 was synthesized and studied. Pure green emission was observed from the devices that were fabricated with the structure as follows: Device 1: ITO/PVK: TbY(p-MBA) 6 (phen) 2 /LiF/Al; Device 2: ITO/PVK: TbY(p-MBA) 6 (phen) 2 /AlQ/LiF/Al. PVK was used to improve the film-forming and hole-transporting properties of the TbY(p-MBA) 6 (phen) 2 . The characteristics of these devices were investigated and compared with Tb(p-MBA) 3 phen, which had been reported. The results show that TbY(p-MBA) 6 (phen) 2 has much better performance than Tb(p-MBA) 3 phen. This improvement is attributed to the introduction of yttrium. The highest EL brightness of Device 1 is 37.5 cd/cm 2 at a fixed bias of 19 V, and the highest EL brightness of Device 2 reaches 333.7 cd/cm 2 at 23 V.

Original languageEnglish (US)
Pages (from-to)671-673
Number of pages3
JournalJournal of Luminescence
Volume122-123
Issue number1-2
DOIs
StatePublished - Jan 1 2007

Keywords

  • Electroluminescence (EL)
  • Exciton
  • Rare earth
  • Terbium complex

ASJC Scopus subject areas

  • Biophysics
  • Atomic and Molecular Physics, and Optics
  • Chemistry(all)
  • Biochemistry
  • Condensed Matter Physics

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