Transparent organic light-emitting diodes based on Cs2CO3:Ag/Ag composite cathode

被引：6

作者：

Liu Qian ^{[1
]}

Duan Lian ^{[1
]}

Zhang DeQiang ^{[1
]}

Qiao Juan ^{[1
]}

Wang LiDuo ^{[1
]}

Dong GuiFang ^{[1
]}

Qiu Yong ^{[1
]}

机构：

[1] Tsinghua Univ, Key Lab Organ Optoelect & Mol Engn, Minist Educ, Dept Chem, Beijing 100084, Peoples R China

来源：

CHINESE SCIENCE BULLETIN | 2010年 / 55卷 / 15期

基金：

国家高技术研究发展计划(863计划);

关键词：

organic light-emitting diode; Cs2CO3; transparent; cathode; LOW-WORK-FUNCTION; DEVICES; ELECTRODE; FILMS; LAYER;

D O I：

10.1007/s11434-010-3150-3

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The transparent organic light-emitting diodes (TOLEDs) based on Cs2CO3:Ag/Ag composite cathode are reported in this paper. They show higher efficiency and better stability than the control devices with the Cs2CO3/Ag cathode. The devices are highly transparent, and show total efficiencies from both sides of the devices comparable with conventional bottom-emitting devices. The electroluminescence (EL) spectrum from the cathode side of the device is closer to the photoluminescence (PL) spectrum of the light-emitting material than that from the anode side. The effect of the cathode Ag thickness on the device performance has been investigated. It is observed that a critical Ag thickness of 15 nm is required to form a good Ag film with high optical transparency and electrical conductivity.

引用

页码：1479 / 1482

页数：4

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