High-performance blue phosphorescent OLEDs using energy transfer from exciplex.
basic_science · Level V
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- Record sourced from PubMed, PMID 24452829.
- Also identified by DOI 10.1002/adma.201304253.
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Abstract
An efficient energy transfer from an exciplex between a sulfone and an arylamine derivatives to a blue phosphorescent emitter enables OLED performances among the best, of over 50 lm W(-1) at 100 cd m(-2) . The formation of the exciplex realizes a barrier-free hole-electron recombination pathway, thereby leading to high OLED performances with an extremely low driving voltage of 2.9 V at 100 cd m(-2) .