Fabrication of Organic Thin-Film Transistors on ThreeDimensional Substrates Using Free-Standing Polymeric Masks Based on Soft Lithography
- Authors
- Kim, Ju-Hyung; Hong, Sang Ho; Seong, Kwang-dong; Seo, Soonmin
- Issue Date
- Apr-2014
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- field-effect transistors; flexible electronics; organic electronics; polymeric materials
- Citation
- ADVANCED FUNCTIONAL MATERIALS, v.24, no.16, pp.2404 - 2408
- Journal Title
- ADVANCED FUNCTIONAL MATERIALS
- Volume
- 24
- Number
- 16
- Start Page
- 2404
- End Page
- 2408
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/12750
- DOI
- 10.1002/adfm.201303478
- ISSN
- 1616-301X
- Abstract
- Here, a novel fabrication technique for integrated organic devices on substrates with complex structure is presented. For this work, free-standing polymeric masks with stencil-patterns are fabricated using an ultra-violet (UV) curable polyurethaneacrylate (PUA) mixture, and used as shadow masks for thermal evaporation. High flexibility and adhesive properties of the free-standing PUA masks ensure conformal contact with various materials such as glass, silicon (Si), and polymer, and thus can also be utilized as patterning masks for solution-based deposition methods, such as spin-coating and drop-casting. Based on this technique, a number of integrated organic transistors are fabricated simultaneously on a cylindrical glass bottle with high curvature, as well as on a flat silicon wafer. It is anticipated that these results will be applied to the development of various integrated organic devices on complex-structured substrates, which can lead to further applications.
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Collections - 바이오나노대학 > 바이오나노학과 > 1. Journal Articles
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