Efficient Organic Blue‐Light‐Emitting Devices with Double Confinement on Terfluorenes with Ambipolar Carrier Transport Properties | Zendy

Wu C.C. | Zendy; Lin Y.T. | Zendy; Wong K.T. | Zendy; Chen R.T. | Zendy; Chien Y.Y. | Zendy

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Efficient Organic Blue‐Light‐Emitting Devices with Double Confinement on Terfluorenes with Ambipolar Carrier Transport Properties

Author(s) -

Wu C.C.,

Lin Y.T.,

Wong K.T.,

Chen R.T.,

Chien Y.Y.

Publication year - 2004

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.200305619

Subject(s) - ambipolar diffusion , materials science , optoelectronics , electroluminescence , photoluminescence , heterojunction , exciton , quantum efficiency , blue light , double heterostructure , blueshift , charge carrier , nanotechnology , semiconductor , electron , condensed matter physics , semiconductor laser theory , physics , layer (electronics) , quantum mechanics

Ter(9,9‐diarylfluorene)s (TDAFs) exhibit many intriguing properties promising for blue light‐emitting devices, such as high thin‐film photoluminescence quantum yields (∼ 90 %), high glass‐transition temperatures (> 200 °C), and an unusual ambipolar carrier‐transport capability. Successful implementation of a double‐ heterostructure device configuration that provides effective confinement of both carriers and excitons in TDAFs results in an electroluminescence performance (5.3 % external quantum efficiency) promising for application in blue‐emitting devices.

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