Red Light-Emitting-Diode Based on an Organic Salt

Chin. Phys. Lett.

2003, Vol. 20

Issue (6): 935-937 DOI:

Original Articles

Red Light-Emitting-Diode Based on an Organic Salt

MENG Rui-Ping;XU Hong-Guang;XU Chun-Xiang;ZHANG Jun-Xiang;HE Guo-Hua;CUI Yi-Ping

Department of Electronic Engineering, Southeast University, Nanjing 210096

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MENG Rui-Ping, XU Hong-Guang, XU Chun-Xiang et al 2003 Chin. Phys. Lett. 20 935-937

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Abstract A novel organic salt trans-4-[P-(N-ethyl-N-(hydroxylethyl)-amino) styryl]-N-methylpyridinium tetraphenylborate (abbreviated as ASPT) has been employed as an active layer in an organic electroluminscent device. Bright red emission with high quantum efficiency has been obtained. The brightness of the ASPT device is one order magnitude higher than that of Alq₃ devices at about 12 V. The device shows high thermal stability because of the ionic interaction within the organic salt molecules. It is assumed that the high performance of such a device is related to the formation of dipole moments in the ASPT layer.

Keywords: 78.60.Fi 85.60.Jb

Published: 01 June 2003

PACS:	78.60.Fi	(Electroluminescence)
	85.60.Jb	(Light-emitting devices)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2003/V20/I6/0935

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	MENG Rui-Ping
	XU Hong-Guang
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	ZHANG Jun-Xiang
	HE Guo-Hua
	CUI Yi-Ping

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