Preparation of Electroluminescent Using Fluoride Pyrazoline

Chem. J. Chinese Universities ›› 2003, Vol. 24 ›› Issue (2): 343.

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Preparation of Electroluminescent Using Fluoride Pyrazoline

LIANG Yu-Jun¹, JIN Ming², FU Lian-She¹, LU Ran², ZHANG Hong-Jie¹, ZHAO Ying-Ying²

1. Key Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China;
2. College of Chemistry, Jilin University, Changchun 130023, China

Received:2001-09-26 Online:2003-02-24 Published:2003-02-24

Abstract

Abstract: One fluoride tri-phenyl pyrazoline compound(FTPP) was synthesized. It showed an efficient photoluminescence(PL) ability to form a film. When FTPP was doped into poly(vinylcarbazole)(PVK) to form a film by spin-coating method, we found that the energy can be transferred from PVK to FTPP. Two types of organic eletroluminescent devices(OELDs) using PVK doping FTPP as emitting layer were fabricated, one was double layer device: ITO/PVK∶FTPP/PBD/Al and the other was three-layer device: ITO/PVK∶FTPP/PBD/Alq₃/Al. 1,3,4-Oxadiazole derivative(PBD) was used both as electron-transporting layer and as hole-barrier layer. 8-Hydroxyquinoline aluminum (Alq₃) was also used as electron-transporting layer. All devices could emit a blue light.

Key words: Fluoride pyrazoline, Energy transfer, Electroluminescence

CLC Number:

O626.21

TrendMD:

LIANG Yu-Jun, JIN Ming, FU Lian-She, LU Ran, ZHANG Hong-Jie, ZHAO Ying-Ying . Preparation of Electroluminescent Using Fluoride Pyrazoline[J]. Chem. J. Chinese Universities, 2003, 24(2): 343.

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Preparation of Electroluminescent Using Fluoride Pyrazoline

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