Organic Light-Emitting Diodes Based on New Oxadiazole and Pyrazoline Derivatives

Chin. Phys. Lett.

2000, Vol. 17

Issue (6): 454-456 DOI:

Original Articles

Organic Light-Emitting Diodes Based on New Oxadiazole and Pyrazoline Derivatives

ZHANG Zhi-Ming;ZHANG Rui-Feng;WU Fang;MA Yu-Guang;LI Guo-Wen;TIAN Wen-Jing;SHEN Jia-Cong

Key Laboratory for Supramolecular Structure and Spectra, Jilin University, Changchun 130023

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ZHANG Zhi-Ming, ZHANG Rui-Feng, WU Fang et al 2000 Chin. Phys. Lett. 17 454-456

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Abstract The bilayer heterojunction devices were fabricated successfully by using a novel oxadiazole derivative: 2, 2'- (2,5-thiophenediyl) bis (5-(4-methyl) phenyl-l,3,4-oxadiazole) (T-OXD) as the electron-transporting layer (ETL) and a pyrazoline derivative:l-phenyl-3-(dimethylamino)styry1-5-(p(dimethylamino) pheny1)pyrazoline (PDP) as the light-emitting layer and the hole-transporting layer. The emission at 500nm was derived from PDP layer. In comparison with the bilayer device of tris (8-hydroxyquinoline) aluminum (Alq) as the ETL, the luminous efficiency of the PDP/T-OXD heterojunction device was enhanced by 10⁴ times.

Keywords: 78.60.Fi 85.60.Jb 78.66.Qn

Published: 01 June 2000

PACS:	78.60.Fi	(Electroluminescence)
	85.60.Jb	(Light-emitting devices)
	78.66.Qn	(Polymers; organic compounds)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2000/V17/I6/0454

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	ZHANG Zhi-Ming
	ZHANG Rui-Feng
	WU Fang
	MA Yu-Guang
	LI Guo-Wen
	TIAN Wen-Jing
	SHEN Jia-Cong

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