Phosphorescent light-emitting transistors: harvesting triplet excitons.
basic_science · Level V
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- Record sourced from PubMed, PMID 25376509.
- Also identified by DOI 10.1002/adma.200900919.
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Abstract
Phosphorescent light-emitting transistors, in which light emission from singlet and triplet energy levels is harvested using solution-processed materials, 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) cm(2) V(-1) s(-1) .