Spiro-Configured Bifluorenes: Highly Efficient Emitter for UV Organic Light-Emitting Device and Host Material for Red Electrophosphorescence | Zendy

KenTsung Wong | Zendy; Yuan-Li Liao | Zendy; Yu-Ting Lin | Zendy; HaiChing Su | Zendy; Chung-Chih Wu | Zendy

Open Access

Spiro-Configured Bifluorenes: Highly Efficient Emitter for UV Organic Light-Emitting Device and Host Material for Red Electrophosphorescence

Author(s) -

KenTsung Wong,

Yuan-Li Liao,

Yu-Ting Lin,

HaiChing Su,

Chung-Chih Wu

Publication year - 2005

Publication title -

organic letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.94

H-Index - 239

eISSN - 1523-7060

pISSN - 1523-7052

DOI - 10.1021/ol051865q

Subject(s) - phosphorescence , common emitter , oled , optoelectronics , chemistry , quantum efficiency , host (biology) , fluorescence , materials science , optics , physics , organic chemistry , ecology , layer (electronics) , biology

[structure: see text] Remarkable UV OLED devices using novel spiro-configured bifluorenes as UV emitters have been successfully achieved with external quantum efficiencies up to 2.6-3.1% and emission wavelengths as short as 370 nm. In addition, these large-gap materials have been shown to be effective hosts for red phosphorescent emitters in phosphorescent OLEDs. This result represents the first example that pure hydrocarbon molecules can serve as an efficient host for red electrophosphorescence devices.

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