Color-tunable electrophosphorescent device fabricated by a photo-bleaching method

Tae Ho Kim, Jong Hyeok Park, O. Ok Park

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

We demonstrated an efficient color-tunable electrophosphorescent device fabricated by a photo-bleaching method. Electroluminescence studies indicate that excellent device performance can be achieved through efficient Förster energy transfer from the conjugated polymer to the iridium complexes by improving their miscibility. The use of a very low concentration of red phosphorescent dye and the easy degradation characteristics of conjugated structure of the red dopant enable color-tuning from red to green emission by a simple UV-irradiation process without a sacrifice of luminescent properties.tp

Original languageEnglish
Pages (from-to)452-456
Number of pages5
JournalThin Solid Films
Volume520
Issue number1
DOIs
Publication statusPublished - 2011 Oct 31

Bibliographical note

Funding Information:
This research was partially supported by a WCU Grant ( R32-2008-000-10142-0 ) from MEST. This research was also supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology ( 2009-0083540, 20100026281 ).

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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