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Investigation of top-emitting OLEDs using molybdenum oxide as anode buffer layer

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【Author】 Lin Hui, Yu Jun-sheng**, and Zhang Wei State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu 610054, China

【机构】 State Key Laboratory of Electronic Thin Films and Integrated Devices, School of Optoelectronic Information, University of Electronic Science and Technology of China；

【摘要】 A high-effective bottom anode is essential for high-performance top-emitting organic light-emitting devices (OLEDs). In this paper, Ag-based top-emitting OLEDs are investigated. Ag has the highest reflectivity for visible light among all metals, yet its hole-injection properties are not ideal for anodes of top-emitting OLED. The performance of the devices is significantly improved using the molybdenum oxide as anode buffer layer at the surface of Ag. By introducing the molybdenum oxide, the hole injection from Ag anodes into top-emitting OLED is largely enhanced with rather high reflectivity retained.更多还原

【Abstract】 A high-effective bottom anode is essential for high-performance top-emitting organic light-emitting devices (OLEDs). In this paper, Ag-based top-emitting OLEDs are investigated. Ag has the highest reflectivity for visible light among all metals, yet its hole-injection properties are not ideal for anodes of top-emitting OLED. The performance of the devices is significantly improved using the molybdenum oxide as anode buffer layer at the surface of Ag. By introducing the molybdenum oxide, the hole injection from Ag anodes into top-emitting OLED is largely enhanced with rather high reflectivity retained.更多还原

【关键词】 anode； molybdenum； reflectivity； visible； transparent； introducing； retained； attributed； stainless； multilayer；

【基金】 supported by the National Natural Science Foundation of China (No.60425101);the Young Excellence Project of University of Electronic Science and Technology of China (No.UESTC-060206);the Fundamental Research Funds for the Central Universities of China (Nos.ZYGX2010Z004 and ZYGX2009J054)

【文献出处】 Optoelectronics Letters ,光电子快报(英文版) , 编辑部邮箱 ,2012年03期

【分类号】TN383.1
【被引频次】11
【下载频次】46

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