Carriers Confinement for Polymer Electroluminescent Devices with Multilayer Structure

Chin. Phys. Lett.

1995, Vol. 12

Issue (7): 428-430 DOI:

Original Articles

Carriers Confinement for Polymer Electroluminescent Devices with Multilayer Structure

MA Yuguang;TIAN Wenjing;XUE Shanhua^*;HUANG Jinsong^*;LIU Shiyong^*;SHEN Jiacong

Key Laboratory of Molecular Spectra and Structure, ^*National Laboratory of Integrated Optical Electronics, Jilin University, Changdun 130023

Cite this article:

MA Yuguang, TIAN Wenjing, XUE Shanhua et al 1995 Chin. Phys. Lett. 12 428-430

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Abstract The polymer electroluminescence (EL) device with PBD as carriers confinement layer yields bright blue emission having intensity of 300cd/m², in same case the device without PBD layer have luminance only 44 cd/m². The effect of PBD layer on EL characteristic was studied. The results show that only in EL devices with PBD thick-ness over 30nm, the holes are completely confined in emitting layer. The luminance over 2000cd/m² can be obtained by inserting an electron injecting layer between the negative electrode and PED to increase the electron injection.

Keywords: 78.55.-m 78.60.Fi 81.20.Sh

Published: 01 July 1995

PACS:	78.55.-m	(Photoluminescence, properties and materials)
	78.60.Fi	(Electroluminescence)
	81.20.Sh

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1995/V12/I7/0428

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	MA Yuguang
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	SHEN Jiacong

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