Improved Performances for Organic Light-Emitting Diodes Based on Al<suB>2</suB>O<suB>3</suB>-Treated Indium--Tin Oxide Anode

Chin. Phys. Lett.

2006, Vol. 23

Issue (11): 3094-3096 DOI:

Original Articles

Improved Performances for Organic Light-Emitting Diodes Based on Al₂O₃-Treated Indium--Tin Oxide Anode

WANG Jing^1,2;SONG Rui-Li¹;LIU Chun-Ling²;JIANG Wen-Long²;CHEN Shu-Fen¹;ZHAO Yi¹;HOU Jing-Ying¹;LIU Shi-Yong¹

¹State Key Laboratory of Integrated Optoelectronics, Jilin University, Changchun 130012 ²Electronic Information and Engineering Department, Jilin Normal University, Siping 136000

Cite this article:

WANG Jing, SONG Rui-Li, LIU Chun-Ling et al 2006 Chin. Phys. Lett. 23 3094-3096

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Abstract Improved performances are obtained in organic light-emitting diodes (OLEDs) based on the indium--tin oxide (ITO) anode processed with ultrasonic in AlAl₂O₃ polishing solution. By optimizing the AlAl₂O₃ granularity to 0.6μm and the ultrasonic time to 10min, smoother ITO surfaces are acquired, which lead to the enhanced hole injection, and furthermore, to improving the performance of OLEDs. Compared with the control device without any treatment, the drive voltage of treatment device falls from 9V to 6V at 100cd/m², the luminance is over three times that of the control device, reaching 25880cd/m² at 15V, and the luminous efficiency is 3.82cd/A.

Keywords: 78.60.Fi 85.60.Jb 78.66.Qn

Published: 01 November 2006

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/Y2006/V23/I11/03094

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	WANG Jing
	SONG Rui-Li
	LIU Chun-Ling
	JIANG Wen-Long
	CHEN Shu-Fen
	ZHAO Yi
	HOU Jing-Ying
	LIU Shi-Yong

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