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

Thiery, S; Tondelier, D; Geffroy, B; Jacques, E; Robin, M; Metivier, R; Jeannin, O; Rault-Berthelot, J; Poriel, C ORGANIC LETTERS 2015, 17, 4682-4685.

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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Publication

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Paru le 15 septembre 2015

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DOI: 10.1021/acs.orglett.5b02027