High-Efficient Organic Light-Emitting Diodes Using Indium Tin Oxide Treated by KMnO<suB>4</suB> Solution as Anode

Chin. Phys. Lett.

2005, Vol. 22

Issue (3): 727-729 DOI:

Original Articles

High-Efficient Organic Light-Emitting Diodes Using Indium Tin Oxide Treated by KMnO₄ Solution as Anode

WANG Jing;LU Lin^1,2; JIANG Wen-Long^1,2;ZHANG Ying-Fang¹;ZHAO Yi¹;HOU Jing-Ying¹; LIU Shi-Yong¹

¹National Laboratory of Integrated Optoelectronics, Jilin University, Changchun 130023 ²Department of Electronic Information and Engineering, Jilin Normal University, Siping 136000

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WANG Jing, LU Lin, JIANG Wen-Long et al 2005 Chin. Phys. Lett. 22 727-729

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Abstract High-efficient organic light-emitting diodes (OLEDs) with indium-tin-oxide (ITO) anode treated by KMnO₄ solution are demonstrated. The performance of the OLEDs depends on the concentration of KMnO₄ solution and time of ultrasonic treatment. The OLED whose ITO anode was treated by ultrasonic in KMnO₄ solution with concentration of 50mg/L for 15min displays the best performance. It has higher electroluminescent brightness and lower turn-on voltage than those of traditional devices. In particular, its efficiency can be increased by approximately 40%. The surfaces of the ITO anode with and without treating are analysed by scanning electron microscopy.

Keywords: 78.60.Fi 85.60.Jb

Published: 01 March 2005

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/Y2005/V22/I3/0727

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	WANG Jing
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	HOU Jing-Ying
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