Phosphorescent light-emitting transistors: Harvesting triplet excitons

Ebinazar B. Namdas, Ben B.Y. Hsu, Zehua Liu, Shih Chun Lo, Paul L. Burn, Ifor D.W. Samuel

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)


(Figure Presented). Phosphorescent light-emitting transistors, in which light emission from singlet and triplet energy levels is harvested using solution-processed materials (see figure), are presented. While a green phosphorescent dendrimer exhibits an external quantum efficiency of 0.45% at 480 cd m-2, a red polymer/phosphorescent small-molecule blend produces a brightness exceeding 30 cd m-2 with a relatively high hole mobility of 2.5 × 10-2 cm2 V-1 S-1.

Original languageEnglish
Pages (from-to)4957-4961
Number of pages5
JournalAdvanced Materials
Issue number48
Publication statusPublished - 2009 Dec 28

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering


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