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Characteristics of poly(vinyl acetate)/organoclay as a gate insulating material in organic thin film transistor
- Authors
- Park, S. J.; Sung, J. H.; Park, J. H.; Choi, H. J.; Choi, J. S.
- Issue Date
- Jul-2006
- Publisher
- ELSEVIER
- Keywords
- OTFT; organoclay; PVAc; nanocomposite
- Citation
- CURRENT APPLIED PHYSICS, v.6, no.4, pp.636 - 639
- Journal Title
- CURRENT APPLIED PHYSICS
- Volume
- 6
- Number
- 4
- Start Page
- 636
- End Page
- 639
- ISSN
- 1567-1739
- Abstract
- Poly(vinyl acetate) (PVAc) is currently being investigated as a potential polymeric gate insulator for organic thin film transistors (OTFTs), because it can be easily converted from poly(vinyl alcohol) through hydrolysis and can form a composite material with inorganic particles. In addition, the PVAc with a dielectric constant of 3.2-9.3 can be adopted as a good gate insulator for the OTFTs. We report characteristics of the electric transport of pentacene based OTFT using PVAc material with and without organic montmorillonite (OMMT) layer as a polymeric gate insulator. Spin coating condition of the gate insulator with PVAc was measured considering both viscositiy of PVAc dissolved in chloroform as a function of PVAc concentration and surface morphology after the spin coating process. (c) 2005 Elsevier B.V. All rights reserved.
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