A spiro-configured ambipolar host material for impressively efficient single-layer green electrophosphorescent devices | Zendy

WenYi Hung | Zendy; Ting-Chih Wang | Zendy; HaoChih Chiu | Zendy; HsiaoFan Chen | Zendy; KenTsung Wong | Zendy

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A spiro-configured ambipolar host material for impressively efficient single-layer green electrophosphorescent devices

Author(s) -

WenYi Hung,

Ting-Chih Wang,

HaoChih Chiu,

HsiaoFan Chen,

KenTsung Wong

Publication year - 2010

Publication title -

physical chemistry chemical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.053

H-Index - 239

eISSN - 1463-9084

pISSN - 1463-9076

DOI - 10.1039/c0cp00490a

Subject(s) - ambipolar diffusion , iridium , phosphorescence , phosphor , host (biology) , optoelectronics , quantum efficiency , layer (electronics) , brightness , materials science , efficient energy use , chemistry , electron , nanotechnology , physics , optics , fluorescence , electrical engineering , ecology , biochemistry , engineering , quantum mechanics , biology , catalysis

A spiro-configured bipolar molecule (CSC) that possesses high triplet energy, suitable energy levels, and balanced ambipolar carrier mobilities was successfully applied as an efficient host material, compatible with various iridium-based green phosphors, to realize highly efficient single-layer PhOLEDs of a maximum external quantum efficiency up to 8.3% (31.4 cd A(-1)) at a practical brightness of 1000 cd m(-2) (8 V).

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