Photolithographic patterning of PEDOT:PSS with a silver interlayer and its application in organic light emitting diodes

被引：36

作者：

Ouyang, Shihong ^{[1
]}

Xie, Yingtao ^{[1
]}

Zhu, Dalong ^{[1
]}

Xu, Xin ^{[1
]}

Wang, Dongping ^{[1
]}

Tan, Te ^{[1
]}

Fong, Hon Hang ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Dept Elect Engn, Natl Engn Lab TFT LCD Mat & Technol, Shanghai 200240, Peoples R China

来源：

ORGANIC ELECTRONICS | 2014年 / 15卷 / 08期

关键词：

PEDOT:PSS; Photolithography; Silver interlayer; Organic light emitting diodes; TRANSPARENT ELECTRODE; DEVICES; FILMS; TRANSISTORS; EFFICIENT;

D O I：

10.1016/j.orgel.2014.05.004

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A patterning scheme for poly(3,4-ethylenedioxythio-phene):poly(styrenesulfonate) (PEDOT:PSS) is reported. With a silver interlayer, the conductive PEDOT:PSS film can be patterned down to micrometer scales by traditional photolithography, and this patterning scheme can be applied on large-area flexible substrates. Through systematical investigations, the patterning processes have no obvious influence on both the bulk and surface properties of PEDOT:PSS films. Efficient organic light emitting diodes (OLEDs) are realized based on this patterned PEDOT:PSS anode, and they show comparable performance to those devices with an indium tin oxide (ITO) anode. High-resolution OLED pixel arrays are also demonstrated. Our interlayer approach here has an advantage of patterning PEDOT:PSS with high resolution and large scale, and it is also compatible with traditional photolithographic processes which substantially save the capital cost. Results indicate that the photographically patterned conductive PEDOT:PSS film becomes a promising candidate for eletrical eletrode material in organic electronic applications. (C) 2014 Elsevier B. V. All rights reserved.

引用

页码：1822 / 1827

页数：6

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