Journal
ADVANCED MATERIALS
Volume 28, Issue 13, Pages 2638-+Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201503782
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Funding
- KAKENHI Grant [26620202, 25-7551]
- Grants-in-Aid for Scientific Research [26620202, 13J07551] Funding Source: KAKEN
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A green organic light-emitting device (OLED) with an extremely high power efficiency of over 100 lm W-1 is realized through energy transfer from an exciplex. An optimized OLED showed a maximum external efficiency of 25.7%, and a power efficiency of 79.4 lm W-1 at 1000 cd m(-2), which is 1.6-times higher than that of state-of-the-art green thermally activated delayed fluorescence (TADF) OLEDs.
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