Enhanced Hole Injection and Brightness of Organic Electroluminescent Devices with Indium Tin Oxide Surface Modification Using Oxygen Plasma Treatment

Chin. Phys. Lett.

1998, Vol. 15

Issue (7): 537-538 DOI:

Original Articles

Enhanced Hole Injection and Brightness of Organic Electroluminescent Devices with Indium Tin Oxide Surface Modification Using Oxygen Plasma Treatment

XIE Zhi-yuan¹;HUANG Jing-song¹;CHEN Bai-jun¹;HOU Jing-ying¹;NAN Jin²;DAI Guo-rui²;LIU Shi-yong²

¹National Integrated Optoelectronics Laboratory, ²Department of Electronic Engineering, Jilin University, Changchun 130023

Cite this article:

XIE Zhi-yuan, HUANG Jing-song, CHEN Bai-jun et al 1998 Chin. Phys. Lett. 15 537-538

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Abstract The improvement of indium tin oxide (ITO) anode contact to organic electroluminescent devices via oxygen plama-treatment is investigated. Enhanced hole-injection efficiency improved the performance of organic light-emitting devices. The injection current increased by 1-2 orders of magnitude and the turn-on voltages droped several volts. Much higher injection current could be applied to achieve much higher brightness. Maximum brightness and luminous efficiency can reach to about 4000 cd/m² and 0.31m/W for the structure of ITO/TPD/Alq₃/Al, respectively.

Keywords: 78.60.Fi 78.66.Qn 85.60.Jb

Published: 01 July 1998

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

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1998/V15/I7/0537

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	XIE Zhi-yuan
	HUANG Jing-song
	CHEN Bai-jun
	HOU Jing-ying
	NAN Jin
	DAI Guo-rui
	LIU Shi-yong

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