1,3‐Diphenyl‐5‐(9‐phenanthryl)‐2‐pyrazoline(DPPhP): An Excellent Hole‐Transport Material for Use in Organic Light‐Emitting Diodes | Zendy

Ma ChangQi | Zendy; Zhang LianQi | Zendy; Zhou JiaHong | Zendy; Wang XueSong | Zendy; Zhang BaoWen | Zendy; Cao Yi | Zendy; Bug P. | Zendy; Schaer M. | Zendy; Nüesch F. | Zendy; Zhang DeQiang | Zendy; Qiu Yong | Zendy

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1,3‐Diphenyl‐5‐(9‐phenanthryl)‐2‐pyrazoline(DPPhP): An Excellent Hole‐Transport Material for Use in Organic Light‐Emitting Diodes

Author(s) -

Ma ChangQi,

Zhang LianQi,

Zhou JiaHong,

Wang XueSong,

Zhang BaoWen,

Cao Yi,

Bug P.,

Schaer M.,

Nüesch F.,

Zhang DeQiang,

Qiu Yong

Publication year - 2002

Publication title -

chinese journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.28

H-Index - 41

eISSN - 1614-7065

pISSN - 1001-604X

DOI - 10.1002/cjoc.20020201002

Subject(s) - oled , chemistry , pyrazoline , electroluminescence , optoelectronics , diode , quantum efficiency , glass transition , photochemistry , polymer , medicinal chemistry , organic chemistry , materials science , layer (electronics)

An excellent hole‐transport material, 1, 3‐diphenyil‐5‐(9‐phenanthryl)‐2‐pyrazoline (DPPhP) for OLEDs was studied. This compound not only offers high glass transition temperature ( T g = 96 °C), good film forming ability, and high HOMO energy level, but also displays excellent hole‐transport property. The electroluminescent device with a simple structure of ITO/DPPhP (60 nm)/AlQ (60 nm)/LiF (0.8 nm)/Al shows an external quantum efficiency as high as 1.6%.

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