Organic passivation layers for pentacene organic thin-film transistors

被引：18
|
作者：
Lee, Ho Nyeon [1 ]
Lee, Young Gu [2 ]
Ko, Ik Hwan [2 ]
Hwang, Eok Chai [2 ]
Kang, Sung Kee [2 ]
机构：
[1] Soonchunhyang Univ, Dept Display & Elect Informat Engn, Seoul 336747, South Korea
[2] Samsung Adv Inst Technol, Yongin 446712, Gyunggi Do, South Korea
来源：
CURRENT APPLIED PHYSICS | 2008年 / 8卷 / 05期
关键词：
organic thin-film transistor (OTFT); passivation; degradation; PEDOT : PSS; inkjet;
D O I：
10.1016/j.cap.2007.11.003
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We studied the passivation layers for pentacene organic thin-film transistors (OTFTs) that were used to drive the active-matrix organic-light-emitting-diodes (AMOLEDs) fabricated by inkjet process. Conventional polyvinyl acetate (PVA) passivation layer could not protect OTFT channel from poly(3,4-ethylenedioxythiophene):poly(styrene sulfonic acid) (PEDOT:PSS) inkjet process so that the performance was degraded critically after the process. By applying PVA/PVA/photoacryl (PA) multi -passivation layers, we could get OTFT arrays with switching ratio over 10(6) even after PEDOT:PSS process. Using these OTFTs, we could drive AMOLEDs made by inkjet process. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：626 / 630
页数：5
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