Highly flexible, conductive and transparent PEDOT:PSS/Au/PEDOT:PSS multilayer electrode for optoelectronic devices

被引:26
|
作者
Aleksandrova, Mariya [1 ]
Videkov, Valentin [1 ]
Ivanova, Radost [1 ]
Singh, Ajaya K. [2 ]
Thool, Gautam Sheel [3 ]
机构
[1] Tech Univ Sofia, Dept Microelect, Kl Ohridski Blvd 8, Sofia 1000, Bulgaria
[2] Govt VYTPG Autonomous Coll, Dept Chem, Durg 491001, India
[3] Indian Inst Chem Technol, CSIR, Inorgan & Phys Chem Div, Uppal Rd, Hyderabad 500007, Andhra Pradesh, India
关键词
Flexible substrate; ITO-free transparent electrode; PEDOT:PSS films; PEDOT:PSS/Au/PEDOT:PSS electrode; optoelectronic devices; ISLAND FILMS; MICROPARTICLES; ULTRATHIN; SURFACE; LAYER;
D O I
10.1016/j.matlet.2016.03.127
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The electrical, optical and bending characteristics of poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS)/Au/PEDOT:PSS deposited on polyethylene terephthalate (PET) substrate were studied as a function of inserted Au film thickness. The results were compared with those of indium-tin oxide (ITO) and single layer PEDOT: PSS electrodes. It was found that insertion of Au film with optimized thickness between PEDOT:PSS layers improved the sheet resistance in comparison to single PEDOT:PSS film and ITO film. It was demonstrated that PEDOT: PSS(35 nm)/Au(15 nm)//PEDOT: PSS(35 nm) exhibits sheet resistance of 20.9 Omega/sq and maximum optical transmission of 82.6% in the visible region. Moreover, this multilayer electrode showed dramatically improved mechanical stability compared to ITO, when subjected to multiple bends. Its sheet resistance variation was 3.8% after applying 2000 bending cycles at radius of curvature 6 mm in comparison to 6.7% for single PEDOT: PSS film and 11.4% for ITO. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码:204 / 208
页数:5
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