Spiro-configured bifluorenes: Highly efficient emitter for UV organic light-emitting device and host material for red electrophosphorescence

Ken Tsung Wong; Yuan Li Liao; Yu Ting Lin; Hai-Ching Su; Chung Chih Wu

doi:10.1021/ol051865q

Spiro-configured bifluorenes: Highly efficient emitter for UV organic light-emitting device and host material for red electrophosphorescence

Ken Tsung Wong^*, Yuan Li Liao, Yu Ting Lin, Hai-Ching Su, Chung Chih Wu

^*Corresponding author for this work

Institute of Lighting and Energy Photonics

Research output: Contribution to journal › Article › peer-review

118 Scopus citations

Abstract

(Chemical Equation Presented) 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.

Original language	English
Pages (from-to)	5131-5134
Number of pages	4
Journal	Organic Letters
Volume	7
Issue number	23
DOIs	https://doi.org/10.1021/ol051865q
State	Published - 10 Nov 2005

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abstract = "(Chemical Equation Presented) 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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AU - Wong, Ken Tsung

AU - Liao, Yuan Li

AU - Lin, Yu Ting

AU - Su, Hai-Ching

AU - Wu, Chung Chih

PY - 2005/11/10

Y1 - 2005/11/10

N2 - (Chemical Equation Presented) 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.

AB - (Chemical Equation Presented) 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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Spiro-configured bifluorenes: Highly efficient emitter for UV organic light-emitting device and host material for red electrophosphorescence

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