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Spirobifluorene-2,7-dicarbazole-4'-phosphine Oxide as Host for High-Performance Single-Layer Green Phosphorescent OLED Devices

Abstract : A new host material based on the 2,7,4'-substituted spirobifluorene platform has been designed and used in single-layer phosphorescent OLED with very high efficiency (EQE = 13.2%) and low turn-on voltage (2.4 V). This performance is among the best reported for green single-layer PhOLEDs and may open new avenues in the design of host materials for single-layer devices.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01205439
Contributor : Laurent Jonchère <>
Submitted on : Friday, September 25, 2015 - 2:52:34 PM
Last modification on : Tuesday, October 6, 2020 - 3:32:33 AM

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Sebastien Thiery, Denis Tondelier, Bernard Geffroy, Emmanuel Jacques, Malo Robin, et al.. Spirobifluorene-2,7-dicarbazole-4'-phosphine Oxide as Host for High-Performance Single-Layer Green Phosphorescent OLED Devices. Organic Letters, American Chemical Society, 2015, 17 (19), pp.4682-4685. ⟨10.1021/acs.orglett.5b02027⟩. ⟨hal-01205439⟩

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