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

页码：25 / 29

页数：5

共 27 条

[1] Energy barrier, charge carrier balance, and performance improvement in organic light-emitting diodes
Benor, Amare
Takizawa, Shin-ya
Perez-Bolivar, C.
Anzenbacher, Pavel, Jr.
[J]. APPLIED PHYSICS LETTERS, 2010, 96 (24)
[2] Efficiency improvement of fluorescent OLEDs by tuning the working function of PEDOT:PSS using UV-ozone exposure
Benor, Amare
Takizawa, Shin-ya
Perez-Bolivar, Cesar
Anzenbacher, Pavel, Jr.
[J]. ORGANIC ELECTRONICS, 2010, 11 (05) : 938 - 945
[3] Dramatic efficiency improvement in phosphorescent organic light-emitting diodes with ultraviolet-ozone treated poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)
Benor, Amare
Takizawa, Shin-ya
Chen, Ping
Perez-Bolivar, Cesar
Anzenbacher, Pavel, Jr.
[J]. APPLIED PHYSICS LETTERS, 2009, 94 (19)
[4] Enhanced brightness and efficiency in organic electroluminescent devices using SiO2 buffer layers
Deng, ZB
Ding, XM
Lee, ST
Gambling, WA
[J]. APPLIED PHYSICS LETTERS, 1999, 74 (15) : 2227 - 2229
[5] The path to ubiquitous and low-cost organic electronic appliances on plastic
Forrest, SR
[J]. NATURE, 2004, 428 (6986) : 911 - 918
[6] The effect of UV ozone treatment on poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)
Helander, M. G.
Wang, Z. B.
Greiner, M. T.
Liu, Z. W.
Lian, K.
Lu, Z. H.
[J]. APPLIED PHYSICS LETTERS, 2009, 95 (17)
[7] Enhanced electron injection in organic electroluminescence devices using an Al/LiF electrode
Hung, LS
Tang, CW
Mason, MG
[J]. APPLIED PHYSICS LETTERS, 1997, 70 (02) : 152 - 154
[8] White OLED with high stability and low driving voltage based on a novel buffer layer MoOx
Jiang, Xue-Yin
Zhang, Zhi-Lin
Cao, Jin
Khan, M. A.
Khizar-ul-Haq
Zhu, Wen-Qing
[J]. JOURNAL OF PHYSICS D-APPLIED PHYSICS, 2007, 40 (18) : 5553 - 5557
[9] Electronic structure of anode interface with molybdenum oxide buffer layer
Kanai, Kaname
Koizumi, Kenji
Ouchi, Satoru
Tsukamoto, Yoshiaki
Sakanoue, Kei
Ouchi, Yukio
Seki, Kazuhiko
[J]. ORGANIC ELECTRONICS, 2010, 11 (02) : 188 - 194
[10] Stacked white organic light-emitting devices based on a combination of fluorescent and phosphorescent emitters
Kanno, Hiroshi
Giebink, Noel C.
Sun, Yiru
Forrest, Stephen R.
[J]. APPLIED PHYSICS LETTERS, 2006, 89 (02)

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