Enhanced performance of organic electroluminescent diodes by UV-ozone treatment of molybdenum trioxide

被引：6
|
作者：
Deng, Zhenbo [1 ]
Lu, Zhaoyue [1 ]
Xu, Denghui [2 ]
Xiao, Jing [3 ]
Wang, Yongsheng [1 ]
机构：
[1] Beijing Jiaotong Univ, Minist Educ, Inst Optoelect Technol, Key Lab Luminescence & Opt Informat, Beijing 100044, Peoples R China
[2] Beijing Technol & Business Univ, Dept Math & Phys, Beijing 100037, Peoples R China
[3] Taishan Univ, Phys & Elect Engn Coll, Tai An 271021, Shandong, Peoples R China
来源：
SOLID-STATE ELECTRONICS | 2012年 / 76卷
基金：
中国国家自然科学基金;
关键词：
UV-ozone treatment; Molybdenum trioxide; Sheet resistance; X-ray photoelectron spectroscopy; LIGHT-EMITTING-DIODES; BUFFER LAYER; DEVICES; OXIDE; EFFICIENCY; FLUORESCENT; IMPROVEMENT; OLEDS; STABILITY;
D O I：
10.1016/j.sse.2012.01.004
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The operating voltage is reduced and luminous efficiency is improved in the organic light-emitting diodes (OLEDs) with UV-ozone treatment of molybdenum trioxide (MoO3) anode buffer layer. The interface of indium tin oxide (ITO)/MoO3 was investigated by X-ray photoelectron spectroscopy. It was found that the binding energies of Mo 3d, 0 1s, In 3d and C is were shifted to higher after UV-ozone treated MoO3. The enhanced properties are impervious to the UV-ozone treatment of ITO. Therefore, the improved performance can be attributed that the binding energies of Mo 3d, 0 is. In 3d and C 1s are changed to higher and also that the sheet resistance of ITO/MoO3 films is decreased after UV-ozone treated MoO3. (C) 2012 Published by Elsevier Ltd.
引用
收藏
页码：25 / 29
页数：5
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