Photoluminescence and Electroluminescence of the Blue Emission of Devices Based on Poly (p-Phenylenevinylene) Copolymers

Chin. Phys. Lett.

1996, Vol. 13

Issue (12): 940-943 DOI:

Original Articles

Photoluminescence and Electroluminescence of the Blue Emission of Devices Based on Poly (p-Phenylenevinylene) Copolymers

MA Dong-ge;HONG Zhi-yong;ZHAO Xiao-jiang;JING Xia-bin;WANG Fo-song;SHI Jia-wei¹;LIU Ming-da¹;JIN En-shun¹;LI Shu-wen¹

Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022 ¹Department of Electronics Engineering, Jilin University, Changchun 130023

Cite this article:

MA Dong-ge, HONG Zhi-yong, ZHAO Xiao-jiang et al 1996 Chin. Phys. Lett. 13 940-943

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Abstract Bright blue polymer light-emitting diodes have been fabricated by using the poly(pphenylenevinylene)-based copolymers with 10 C long aliphatic chains as the electroluminescent layers, PBD in PMMA and Alq₃ as the electron-transporting layers, and aluminum as the cathode. The multilayer structure devices show 190cd/m² light-emitting brightness at 460nm, 15 V turn-on vol- tage. It is found that the intensities of photoluminescence and electroluminescence (EL) increase with increasing aliphatic chain length, the EL intensity and operation stability of these polymer light-emitting diodes can be improved by reasonable design of the structure.

Keywords: 78.60.Fi 78.66.Qn

Published: 01 December 1996

PACS:	78.60.Fi	(Electroluminescence)
	78.66.Qn	(Polymers; organic compounds)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1996/V13/I12/0940

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	MA Dong-ge
	HONG Zhi-yong
	ZHAO Xiao-jiang
	JING Xia-bin
	WANG Fo-song
	SHI Jia-wei
	LIU Ming-da
	JIN En-shun
	LI Shu-wen

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